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* u1272a only ** u1271a only ? intelligent features: z low *, smart ?*, low pass filter, qik-v** ? visual (backlight alert) and audible continuity indication in noisy environments ? ergonomic shape for better grip ? ip 54 certified C water and dust resistant ? easy-to-operate large knob and buttons ? 30,000-count dual display ? ac + dc capability* ? cat iii 1000 v, cat iv 600 v safety rating ? easy maintenance C convenient fuse access ? easy connectivity to pc with optional ir-usb cable ? internal memory for data logging features get a better grip on your dmm the U1270 series is shaped perfectly to fit in your hand, with or without gloves on. its non- slip ergonomic shape enables you to carry your dmm and perform measurements on the go easily. additionally, the controls are easy to operate due to the large knob and buttons. improve productivity with intelligent features designed for maximum efficiency and productivity in industrial settings, these dmms offer convenient functions such as z low to eliminate stray voltages, smart ? to minimize false readings due to leakage current and qik-v to determine existence of ac and/or dc voltages. continuity detection in noisy and dark places is made easy with the U1270 series loud beeper and backlight alert function which flashes the backlight to indicate continuity and improve safety. when it comes to variable frequency drive (vfd) troubleshooting, the U1270 series has low pass filter to handle the job with ease. water and dust resistant the series tightly sealed design helps protect against water, dust and damage. each dmm is ip 54 certified so that you can carry out test and measurement with confidence, even in harsh working conditions. agilent U1270 series handheld digital multimeters shaped to ? t, tailored to perform, built to last data sheet
key functions low impedance (z low ) the u1272a is a dual input impedance digital multimeter. the dmms high input impedance is preferred in most electrical measurements because it would not load the circuit under test. however, to obtain accurate measurements on circuits that may contain stray voltages, the u1272as 2 k low impedance function comes in handy. stray voltages are usually found in non-energized electrical wiring adjacent to powered wires due to capacitive or inductive coupling between these wires. when a pair of test leads is placed between the open circuit and neutral conductor, the circuit is then complete and forms a voltage divider in conjunction with the input impedance of the multimeter. high input impedance multimeter is sensitive enough to measure voltage coupled into the disconnected conductor, thus giving an inaccurate indication of a live conductor. the low impedance function serves to eliminate false readings by dissipating the stray voltages, thus improves safety and measurement ef? ciency during voltage. figure 1: u1272a helps you identify the presence of stray voltage on a disconnected wire running parallel with the wire powering up the vfd to an industrial motor. the image on the right shows the u1272a in low impedance mode. 2 low pass filter (lpf) the U1270 series offers a 1 khz lpf or low pass filter to provide accurate variable frequency drive (vfd) output measurement. this function eliminates high frequency noise and harmonics. this ensures the ef? ciency of your motor ? lter as well. figure 2: comparison of voltage output from industrial motor vfd without and with low pass filter functionality. smart ? the u1272a provides an additional 30 ohm range for low resistance measurement. this smart function is available for ranges of 30 ohm to 300 kohm. it enhances measurement accuracy with offset compensation by removing residual dc voltages of up to 1000 mv induced by ground current and thermal emf. this function also enables live resistance measurement without isolating the measurement circuit. with this, you will be able to obtain leakage current using the secondary display.
front and back panel description backlight alert ? ashes the backlight to provide visual indication in continuity test dual display 30,000 counts resolution smart ** removes residual voltage of up to 1000 mv auto diode** automatically determines diode polarity temperature measurement: j type thermocouple -200 to 1200 c**, k type thermocouple -200 to 1732 c ac + dc** capability large knob for ease of use front panel large buttons peak detect records transients as fast as 250s low pass filter (lpf) removes unwanted high frequency signals z low ** provides both high and low impedance modes to eliminate stray voltages qik-v* allows ac+dc measurement to quickly check for energized voltage 3 * u1271a only ** u1272a only
back panel probe holder/storage slim, ergonomic design for better grip ir-usb connectivity with optional ir-usb cable easy fuse and battery access from battery cover beneath the stand 4 hang hole
choose between these two models di u1271a u1272a basic features display resolution 30,000 30,000 auto/manual ranging yes yes analog bar graph yes yes backlight yes yes ac bandwidth 20 khz 100 khz true rms ac ac + dc measurements voltage dc range accuracy 300 mv to 1000 v 0.05% + 2 cnts 30 mv to 1000 v 0.05% + 2 cnts voltage ac range accuracy bandwidth 300 mv to 1000 v 0.7% + 20 cnts 45 hz to 20 khz 30 mv to 1000 v 0.6% + 20 cnts 45 hz to 100 khz current dc range accuracy 300 a to 10 a 0.2% + 5 cnts 300 a to 10 a 0.2% + 5 cnts current ac range accuracy bandwidth 300 a to 10 a 0.9% + 25 cnts 45 hz to 2 khz 300 a to 10 a 0.6% + 25 cnts 45 hz to 2 khz resistance range accuracy 300 ? to 100 m? 0.2 % + 5 cnts 30 ? to 300 m? 0.2% + 5 cnts frequency range accuracy 99.999 hz to 999.99 khz 0.005% + 5 cnts 99.999 hz to 999.99 khz 0.005% + 5 cnts capacitance range accuracy 10 nf to 10 mf 1% + 2 cnts 10 nf to 10 mf 1% + 2 cnts temperature range accuracy k: -200 to 1372 c 1% + 1c k: -200 to 1372 c j: -200 to 1200 c 1% + 1 c continuity with beeper yes yes diode test yes yes data management min/max recording yes yes display hold yes yes peak hold yes yes manual datalogging yes yes null yes yes pc connectivity ir-usb ir-usb % scale of 4-20 ma yes yes 5
di u1271a u1272a special features beep + backlight alert yes yes low pass filter (lpf) yes yes z low - low impedance mode - yes smart ? - yes qik-v yes - safety and regulatory over-voltage safety protection cat iii 1000 v, cat iv 600 v cat iii 1000 v, cat iv 600 v en/iec 61010-1:2001 compliance yes yes general battery 4x aaa 4x aaa operating temperature -20 c to 55 c, 0 to 80% r.h -20 c to 55 c, 0 to 80% r.h standard accessories standard test leads, test probes with 19- mm and 4-mm tips, k-type thermocouple and adapter, 4x aaa batteries, certificate of calibration, test report, quick start guide standard test leads, test probes with 19- mm and 4-mm tips, k-type thermocouple and adapter, 4x aaa batteries, certificate of calibration, test report, quick start guide 6
7 general specifications display liquid crystal display (lcd) (with maximum reading of 33000 counts) power consumption 460 mva maximum (with backlight enabled) battery type ? 4 1.5 v alkaline battery (ansi/neda 24a or iec lr03), or ? 4 1.5 v zinc chloride battery (ansi/neda 24d or iec r03) battery life ? 300 hours typical (based on new alkaline batteries for dc voltage measurement) ? low battery indicator will flash when the battery voltage drops below 4.4 v (approximately) fuse ? 10 35 mm 440 ma/1000 v 30 ka fast-acting fuse ? 10 38 mm 11 a/1000 v 30 ka fast-acting fuse operating environment ? operating temperature from C20 to 55 c, 0 to 80% rh ? full accuracy up to 80% rh for temperatures up to 30 c, decreasing linearly to 50% rh at 55 c ? altitude up to 2000 meters ? pollution degree ii storage compliance C40 to 70 c, 0 to 80% rh safety compliance ? can/csa-c22.2 no. 61010-1-04 ? en/iec 61010-1:2001 ? ansi/ul 61010-1:2004 measurement category cat iii 1000 v/ cat iv 600 v electromagnetic compatibility (emc) commercial limits compliance with en61326-1 ingress protection rating ip-54 temperature coefficient 0.05 (speci? ed accuracy) / c (from C20 to 18 c, or 28 to 55 c) common mode rejection ratio (cmrr) >120 db at dc, 50/60 hz 0.1% (1 k unbalanced) normal mode rejection ration (nmrr) >60 db at 50/60 hz 0.1% dimensions (w x h x d) 92 207 59 mm weight ? u1271a: 518 grams (with batteries) ? u1272a: 520 grams (with batteries) warranty ? three years for product ? three months for products accessories calibration cycle one year specification assumptions ? accuracy is given as (% of reading + counts of least signi? cant digit) at 23 c 5 c, with relative humidity less than 80% rh. ? ac v and ac a/ma/a speci? cations are ac coupled, true rms and are valid from 5% of range to 100% of range. ? the crest factor may be up to 3.0 at full- scale except for the 1000 v range where it is 1.5 at full scale. ? for non- sinusoidal waveforms, add (2% reading + 2% full scale) typical, for crest factors up to 3. ? after z low voltage measurements, wait at least 20 minutes for thermal impact to cool before proceeding with any other measurement.
electrical specifications dc specifications for u1271a and u1272a function range resolution accuracy (% of reading + counts of least significant digit) test current/ burden voltage u1271a u1272a voltage [1] 30 mv 0.001 mv - 0.05 + 20 300 mv 0.01 mv 0.05 + 5 0.05 + 5 - 3 v 0.0001 v 0.05 + 5 0.05 + 5 - 30 v 0.001 v 0.05 + 2 0.05 + 2 - 300 v 0.01 v 0.05 + 2 0.05 + 2 - 1000 v 0.1 v 0.05 + 2 0.05 + 2 - z low (low input impedance) enabled, applicable for 1000 v range and resolution only. - 1 + 20 resistance [2] 30 0.001 ? - 0.2 + 10 0.65 ma 300 0.01 ? 0.2 + 5 0.2 + 5 0.65 ma 3 k 0.0001 k? 0.2 + 5 0.2 + 5 65 ma 30 k 0.001 k? 0.2 + 5 0.2 + 5 6.5 ma 300 k 0.01 k? 0.5 + 5 0.5 + 5 0.65 ma 3 m 0.0001 m? 0.6 + 5 0.6 + 5 93 na//10 m? 30 m 0.001 m? 1.2 + 5 1.2 + 5 93 na//10 m? 100 m - 2.0 +10 - 93 na//10 m? 300 m 0.01 m? - 2.0 % + 10 @ <100 m? 8.0 % + 10 @ >100 m? 93 na//10 m? 300 ns 0.01 ns 1 + 10 1 + 10 93 na//10 m? current [3] 300 a 0.01 a 0.2 + 5 0.2 + 3 <0.04 v/ 100 3000 a 0.1 a 0.2 + 5 0.2 + 3 <0.4 v/ 100 30 ma 0.001 ma 0.2 + 5 0.2 + 3 <0.08 v/ 1 300 ma 0.01 ma 0.2 + 5 0.2 + 3 <1.00 v/ 1 3 a 0.0001 a 0.3 +10 0.3 +10 <0.1 v/ 0.01 10 a 0.001 a 0.3 +10 0.3 +10 <0.3 v/ 0.01 diode test [4] 3 v 0.0001 v 0.5 + 5 0.5 + 5 approximately 1 to 2 ma auto 0.0001 v - 0.5 + 5 approximately 0.1 to 0.3 ma 1. notes for voltage specifications: ? the accuracy of the 30 to 300 mv range is specified after the null function is used to subtract the thermal effect (by shorti ng the test leads). ? for z low measurements, autoranging is disabled and the multimeters range is set to 1000 volts in the manual ranging mode. 2. notes for resistance specifications: ? overload protection: 1000 vrms for short circuits with <0.3 a current. ? maximum open voltage is <+3.3 v ? built-in buzzer beeps when the resistance measured is less than 25 10 . the multimeter can capture intermittent measurem ents longer than 1 ms. ? the accuracy of the 300 to 3 k range is specified after the null function is used to subtract the test lead resistance and thermal effect (by shorting the test leads). ? for the ranges of 30 m and 100 m, the rh is specified for <60%. ? the accuracy for ranges <50 ns is specified after the null function is used on an open test lead. ? the temperature coefficient of the 100 m and 300 m range is 0.1 (specified accuracy)/c (from -20 c to 18 c or 28 c t o 55 c) 8
9 3. notes for current specifications: ? overload protection for 300 a to 300 ma range: 0.44 a/1000 v; 10 35 mm 30 ka fast-acting fuse ? overload protection for 3 a to 10 a range: 11 a/1000 v; 10 38 mm 30 ka fast-acting fuse ? specification for 300 ma range: 440 ma continuous. ? specification for 10 a range: 10 a continuous. add 0.3% to the specified accuracy when measuring signals >10 to 20 a for 30 s econds maximum. after measuring currents >10 a, cool down the multimeter for twice the duration of the mea-sured time before proceedin g with low current measurements. 4. notes for diode specifications: ? overload protection: 1000 vrms for short circuits with <0.3 a current. ? built-in buzzer beeps continuously when the voltage measured is less than 50 mv and beeps once for forward-biased di-ode or s emiconductor junctions measured between 0.3 v and 0.8 v (0.3 v reading 0.8 v). ? open voltage for diode: <+3.3 v dc ? open voltage for auto diode: <+2.5 v dc and > -1.0 v dc ac specifications for u1271a function range resolution accuracy 45 hz to 65 hz 30 hz to 1 khz 1 khz to 5 khz 5 khz to 20 khz true rms ac voltage [1] 300 mv 0.01 mv 0.7 + 20 1.0 + 25 2.0 + 25 2.0 + 40 3 v 0.0001 v 0.7 + 20 1.0 + 25 2.0 + 25 2.0 + 40 30 v 0.001 v 0.7 + 20 1.0 + 25 2.0 + 25 2.0 + 40 300 v 0.01 v 0.7 + 20 1.0 + 25 2.0 + 25 - 1000 v 0.1 v 0.7 + 20 1.0 + 25 - - lpf (low pass ? lter) enabled, applicable for all voltage ranges and resolution 0.7 + 20 1.0 + 25 @ <200 hz 5.0 + 25 @ <440 hz -- function range resolution accuracy burden voltage/shunt 45 hz to 2 khz true rms ac current [2] 300 a 0.01 a 0.9 + 25 <0.04 v/ 100 3000 a 0.1 a 0.9 + 25 <0.4 v/ 100 30 ma 0.001 ma 0.9 + 25 <0.08 v/ 1 300 ma 0.01 ma 0.9 + 25 <1.00 v/ 1 3a 0.0001 a 1.0 + 25 <0.1 v/ 0.01 10 a 0.001 a 1.0 + 25 <0.3 v/ 0.01 1. notes for voltage specifications: ? overload protection: 1000 vrms. for millivolt measurements, 1000 vrms for short circuits with <0.3 a current. ? input impedance: 10 m (nominal) in parallel with <100 pf. 2. notes for current specifications: ? overload protection for 300 a to 300 ma range: 0.44 a/1000 v; 10 35 mm 30 ka fast-acting fuse ? overload protection for 3 a to 10 a range: 11 a/1000 v; 10 38 mm 30 ka fast-acting fuse ? specification for 300 ma range: 440 ma continuous. ? specification for 10 a range: 10 a continuous. add 0.3% to the specified accuracy when measuring signals >10 to 20 a for 30 s econds maximum. after measuring currents >10 a, cool down the multimeter for twice the duration of the measured time before proceeding with low current measurements.
ac specifications for u1272a function range resolution accuracy 45 to 65 hz 20 hz to 1 khz 1 khz to 5 khz 5 khz to 20 khz 20 khz to 100 khz true rms ac voltage [1] 30 mv 0.001 mv 0.6 + 20 0.7 + 25 1.0 + 25 1.0 + 40 3.5 + 40 300 mv 0.01 mv 0.6 + 20 0.7 + 25 1.0 + 25 1.0 + 40 3.5 + 40 3 v 0.0001 v 0.6 + 20 1.0 + 25 1.5 + 25 2.0 + 40 3.5 + 40 30 v 0.001 v 0.6 + 20 1.0 + 25 1.5 + 25 2.0 + 40 3.5 + 40 300 v 0.01 v 0.6 + 20 1.0 + 25 1.5 + 25 2.0 + 40 - 1000 v 0.1 v 0.6 + 20 1.0 + 25 1.5 + 25 - - lpf (low pass ? lter) enabled, applicable for all voltage ranges and resolution 0.6 + 20 1.0 + 25 @ <200 hz 5.0 + 25 @ <440 hz --- z low 1000 v 2.0 + 40 2 + 40 @ <440 hz --- function range resolution accuracy burden voltage/ shunt 45 to 65 hz 20 hz to 2 khz true rms ac current [2] 300 a 0.01 a 0.6 + 25 0.9 + 25 <0.04 v/ 100 3000 a 0.1 a 0.6 + 25 0.9 + 25 <0.4 v/ 100 30 ma 0.001 ma 0.6 + 25 0.9 + 25 <0.08 v/ 1 300 ma 0.01 ma 0.6 + 25 0.9 + 25 <1.00 v/ 1 3a 0.0001 a 0.8 + 25 1.0 + 25 <0.1 v/ 0.01 10 a 0.001 a 0.8 + 25 1.0 + 25 <0.3 v/ 0.01 1. notes for voltage specifications ? overload protection: 1000 vrms. for millivolt measurements, 1000 vrms for short circuits with <0.3 a current. ? input impedance: 10 m (nominal) in parallel with <100 pf. ? z low impedance: 2 k (nominal) ? the input signal is lower than the product of 20,000,000 vhz. ? for 20 to 100 khz accuracy: three counts of the lsd per khz of additional error is to be added for frequencies >20 khz and si gnal inputs <10% of range. 2. notes for current specifications ? overload protection for 300 a to 300 ma range: 0.44 a/1000 v; 10 35 mm 30 ka fast-acting fuse ? overload protection for 3 a to 10 a range: 11 a/1000 v; 10 38 mm 30 ka fast-acting fuse ? specification for 300 ma range: 440 ma continuous. ? specification for 10 a range: 10 a continuous. add 0.3% to the specified accuracy when measuring signals >10 to 20 a for 30 s econds maximum. after measuring currents >10 a, cool down the multimeter for twice the duration of the measured time before proceeding with low current measurements. 10
11 ac + dc specifications for u1272a function range resolution accuracy 45 hz to 65 hz 20 hz to 2 khz 1 khz to 5 khz 5 khz to 20 khz 20 khz to 100 khz true rms ac + dc voltage [1] 30 mv 0.001 mv 0.7 + 40 0.8 + 45 1.1 + 45 1.1 + 60 3.6 + 60 300 mv 0.01 mv 0.7 + 25 0.8 + 30 1.1 + 30 1.1 + 45 3.6 + 45 3 v 0.0001 v 0.7 + 25 1.1 + 30 1.6 + 30 2.1 + 45 3.6 + 45 30 v 0.001 v 0.7 + 25 1.1 + 30 1.6 + 30 2.1 + 45 3.6 + 45 300 v 0.01 v 0.7 + 25 1.1 + 30 1.6 + 30 2.1 + 45 - 1000 v 0.1 v 0.7 + 25 1.1 + 30 1.6 + 30 - - function range resolution accuracy burden voltage/ shunt 45 hz to 65 hz 20 hz to 2 khz true rms ac + dc current [2] 300 a 0.01 a 0.8 + 30 1.1 + 30 <0.04 v/100 3000 a 0.1 a 0.8 + 30 1.1 + 30 <0.4 v/100 30 ma 0.001 ma 0.8 + 30 1.1 + 30 <0.08 v/1 300 ma 0.01 ma 0.8 + 30 1.1 + 30 <1.00 v/1 3a 0.0001 a 0.9 + 35 1.3 + 35 <0.1 v/0.01 10 a 0.001 a 0.9 + 35 1.3 + 35 <0.3 v/0.01 1. notes for voltage specifications: ? overload protection: 1000 vrms. for millivolt measurements, 1000 vrms for short circuits with <0.3 a current. ? input impedance: 10 m (nominal) in parallel with <100 pf. ? for 20 to 100 khz accuracy: three counts of the lsd per khz of additional error is to be added for frequencies >20 khz and si gnal inputs <10% of range. 2. notes for current specifications: ? overload protection for 300 a to 300 ma range: 0.44 a/1000 v; 10 35 mm 30 ka fast-acting fuse ? overload protection for 3 a to 10 a range: 11 a/1000 v; 10 38 mm 30 ka fast-acting fuse ? specification for 300 ma range: 440 ma continuous. ? specification for 10 a range: 10 a continuous. add 0.3% to the specified accuracy when measuring signals >10 to 20 a for 30 s econds maximum. after measuring currents >10 a, cool down the multimeter for twice the duration of the measured time before proceeding with low current measurements.
range resolution accuracy u1271a u1272a 10 nf 0.001 nf 1% + 5 1% + 5 100 nf 0.01 nf 1% + 2 1% + 2 1000 nf 0.1 nf 1% + 2 1% + 2 10 f 0.001 f 1% + 2 1% + 2 100 f 0.01 f 1% + 2 1% + 2 1000 f 0.1 f 1% + 2 1% + 2 10 mf 0.001 mf 1% + 2 1% + 2 7. overload protection: 1000 vrms for short circuits with <0.3 a current. 8. the accuracy for all ranges is specified based on a film capacitor or better, and after the null function is used to subtrac t the test lead resistance and thermal effect (by shorting the test leads). temperature specifications [1] - [6] capacitance specifications [7][8] 12 thermocouple type range resolution accuracy u1271a u1272a k -200 to 1372 c 0.1 c 1% + 1 c 1% + 1 c -328 to 2502 f 0.1 f 1% + 1.8 f 1% + 1.8 f j -200 to 1200 c 0.1 c - 1% + 1 c -328 to 2192 f 0.1 f - 1% + 1.8 f 1. the specifications above is specified after 60 minutes of warm-up time. 2. the accuracy does not include the tolerance of the thermocouple probe. 3. do not allow the temperature sensor to contact a surface that is energized above 30 vrms or 60 v dc. such voltages poses a s hock hazard. 4. ensure that the ambient temperature is stable within 1 oc and that the null function is used to reduce the test leads ther mal effect and temperature offset. before using null function, set the multimeter to measure temperature without ambient compensation (c) and keep the th ermocouple probe as close to the multimeter as possible (avoid contact with any surface that has a different temperature from the ambient temper ature). 5. when measuring temperature with respect to any temperature calibrator, try to set both the calibrator and multimeter with an external reference (without internal ambient compensation). if both the calibrator and multimeter are set with internal reference (with internal a mbient compensation), some deviations may show between the readings of the calibrator and multimeter, due to differences in ambient compensation betw een the calibrator and multimeter. keeping the multimeter close to the output terminal of calibrator will help reduce the deviation. 6. the temperature calculation is specified according to the safety standards of en/iec-60548-1 and nist175.
13 frequency specifications [1][2] range resolution accuracy minimum input frequency 99.999 hz 0.001 hz 0.02% + 5 0.5 hz 999.99 hz 0.01 hz 0.005% + 5 9.9999 khz 0.1 hz 0.005% + 5 99.999 khz 1 hz 0.005% + 5 999.99 khz 0.01 khz 0.005% + 5 >1 mhz 0.1 khz 0.005% + 5 @ <1 mhz 1. overload protection: 1000 v; input signal is <20,000,000 v hz (product of voltage and frequency). 2. the frequency measurement is susceptible to error when measuring low-voltage, low-frequency signals. shielding inputs from external noise pickup is critical for minimizing measurement errors. turning on the low pass filter may help you to filter out the noise and achieve a stable reading. duty cycle [3] mode range accuracy at full scale dc coupling 99.99% 0.3 % per khz + 0.3 % ac coupling 99.99% 0.3 % per khz + 0.3 % pulse width [4] range resolution accuracy at full scale 999.99 ms 0.01 ms (duty cycle accuracy/frequency) + 0.01 ms 2000.0 ms 0.1 ms (duty cycle accuracy/frequency) + 0.1 ms 3. notes for duty cycle specifications: ? the accuracy for duty cycle and pulse width measurements is based on a 3 v square wave input to the dc 3 v range. for ac couplings, the duty cycle range can be measured within the range of 10% to 90% for signal frequencies >20 hz. ? the range of the duty cycle is determined by the frequency of the signal: {10 s frequency 100%} to {[1 C (10 s frequency)] 100%}. ? the pulse width (positive or negative) must be >10 s. the range of the pulse width is determined by the frequency of the signal. 4. notes for pulse width specifications: ? the accuracy for duty cycle and pulse width measurements is based on a 3 v square wave input to the dc 3 v range. ? the pulse width (positive or negative) must be >10 s. the range of the pulse width is determined by the frequency of the signal.
frequency sensitivity for voltage measurements [1][2][3] input range minimum sensitivity (rms sine wave) trigger level for dc coupling 15 hz to 100 khz 0.5 hz to 200 khz up to 1 mhz 0.5 hz to 200 khz u1271a u1272a 30 mv 3 mv 3 mv - - 5 mv 300 mv 6 mv 8 mv 40 mv 10 mv 15 mv 3 v 0.12 v 0.2 v 0.4 v 0.15 v 0.15 v 30 v 0.6 v 0.8 v 2.6 v 1.5 v 1.5 v 300 v 6 v 8 v @ <100 khz - 9 v @ <100 khz 9 v @ <100 khz 1000 v 50 v 50 v @ <100 khz - 90 v @ <100 khz 90 v @ <100 khz 1. maximum input for specified accuracy, refer to ac specifications on page 9. 2. 30 mv range applicable for u1272a only. 3. 200 khz to 1 mhz range applicable for u1272a only. frequency sensitivity for current measurements [4] input range minimum sensitivity (rms sine wave) 2 hz to 30 khz 300 a 100 a 3000 a 70 a 30 ma 1.2 ma 300 ma 12 ma 3 a 0.12 a 10 a 1.2 a 4. maximum input for specified accuracy, refer to ac specifications on page 9. peak hold signal width accuracy for dc voltage and current single event >1 ms specified accuracy + 400 repetitive >250 s specified accuracy + 1000 14
decibel (db) for u1272a [1] - [3] db base reference default reference 1 mw (dbm) 1 to 9999 ? 50 ? 1 v(dbv) 1 v 1 v 1. the reading of dbm is indicated in decibels of power above or below 1 mw, or decibels of voltage above or below 1 v. the formula is calculated according to the voltage measurement and specified reference impedance. its accuracy is depended on the accuracy of the voltage measurement. see decibel (dbv) accuracy table below. 2. auto-ranging mode is used. 3. the bandwidth is according to voltage measurement. decibel (dbv) accuracy range dbv range accuracy minimum maximum 45 to 65 hz 20 hz to 1 khz 1 hz to 5 khz 5 khz to 20 khz 20 hz to 100 khz 30 mv -56.48 -30.46 0.06 0.07 0.09 0.1 0.32 300 mv -36.48 -10.46 0.06 0.07 0.09 0.1 0.32 3 v -16.48 +9.54 0.06 0.09 0.14 0.19 0.32 30 v +3.52 +29.54 0.06 0.09 0.14 0.19 0.32 300 v +23.52 +49.54 0.06 0.09 0.14 0.19 - 1000 v +33.98 +60 0.06 0.09 0.14 - - measurement rate (approximate) function times/second u1271a u1272a acv 7 7 dcv 7 7 ?1414 ? with offset compensation - 3 diode 14 14 auto diode - 3 capacitance 4 (<100 f) 4 (<100 f) dci 7 7 aci 7 7 temperature 7 7 frequency 2 (>10 hz) 2 (>10 hz) duty cycle 1 (>10 hz) 1 (>10 hz) pulse width 1 (>10 hz) 1 (>10 hz) 15
u1271a u1272a ordering information standard shipped accessories 16 optional accessories standard test leads, test probes with 19-mm and 4-mm tips, k-type thermocouple and adapter, 4x aaa batteries, certi? cate of calibration, test report, quick start guide u1160a standard test lead kit includes two test leads (red and black), alligator clips, ? ne-tip test probes, smt grabbers and mini grabber (black). ? test leads: cat iii 1000 v, 15 a ? alligator clips: cat iii 1000 v, 10 a ? fine-tip test probes: cat ii 300 v, 3 a ? smt grabbers: cat ii 300 v, 3 a ? mini grabber: cat ii 300 v, 3 a u1161a extended test lead kit includes two test leads (red and black), two test probes, medium-sized alligator clips and 4-mm banana plugs. ? test leads: cat iii 1000 v, cat iv 600 v, 15 a ? test probes: cat iii 1000 v, 15 a ? medium-sized alligator clips: cat iii 600 v, 10 a ? 4-mm banana plugs: cat ii 600 v, 10 a u1162a alligator clips ? one pair of insulated alligator clips (red and black). recommended for use with agilent standard test leads. ? rated cat iii 1000 v, 10 a. measuring accessories (non-temperature) u1163a smt grabbers ? one pair of smt grabbers (red and black). recommended for use with agilent standard test leads. ? rated cat ii 300 v, 3 a. u1164a fine-tip test probes ? one pair of ? ne-tip test probes (red and black). recommended for use with agilent standard test leads. ? rated cat ii 300 v, 3 a. u1165a test probe leads ? rated cat iii 1000 v, 15 a
u1583b ac current clamp ? dual range: 40 a and 400 a ? rated cat iii 600 v ? bnc-to-banana-plug adapter provided for use with dmms u1169a test probe leads includes two test leads (red and black), and a pair each of 19-mm and 4-mm test probes. ? test leads: cat iii 1000 v, cat iv 600 v, 15 a ? test probes (19-mm tip): cat iii 1000 v, cat iv 600 v, 15 a ? test probes (4-mm tip): cat iii 1000 v, cat iv 600 v, 15 a (highly recommended for cat iv environment) u1168a standard test lead kit includes two test leads (red and black), 19-mm and 4-mm test probes, alligator clips, ? ne-tip test probes, smt grabbers and mini grabber (black). ? test leads: cat iii 1000 v, cat iv 600 v, 15 a ? test probes (19-mm tip): cat iii 1000 v, cat iv 600 v, 15 a ? test probes (4-mm tip): cat iii 1000 v, cat iv 600 v, 15 a (highly recommended for cat iv environment) ? alligator clips: cat iii 1000 v, 10 a ? fine-tip test probes: cat ii 300 v, 3 a ? smt grabber: cat ii 300 v, 3 a ? mini grabber: cat ii 300 v, 3 a u1180a thermocouple adapter+lead kit, j and k types includes thermocouple adapter, thermocouple bead j-type and thermocouple bead k-type. ? t/c adapter j/k-type ? t/c bead j-type: C20 c to 200 c ? t/c bead k-type: C20 c to 200 c u1181a immersion temperature probe ? type-k t/c for use in oil and other liquids ? measurement range: C50 c to 700 oc ? includes adapter u1184a for connection to dmm u1182a industrial surface temperature probe ? type-k t/c for use on still surfaces ? measurement range: C50 oc to 400 oc ? includes adapter u1184a for connection to dmm u1183a air temperature probe ? type-k t/c for use in air and non-caustic gas ? measurement range: C50 oc to 800 oc ? includes adapter u1184a for connection to dmm u1184a temperature probe adapter ? mini-connector-to-banana-plug adapter for use with dmm u1185a j-type thermocouple and adapter ? t/c adapter j/k-type ? t/c bead j-type: C20 c to 200 c measuring accessories (non-temperature) measuring accessories (temperature) 17 u1186a k-type thermocouple and adapter ? t/c adapter j/k-type ? t/c bead j-type: C20 c to 200 c
u1173a ir-to-usb cable ? for remote control and data logging to pc ? max. baud rate: 19,200 bits per second u1171a magnetic hanging kit for fastening of dmm to a steel surface so both hands are free. u1176a led probe clip light u1174a soft carrying case the convenient way to carry your dmm and essential accessories ? dimension: 9 (h) x 5 (w) x 3 (d) cable hanging kit probe clip light 18 ? 3 inches in length ? to be clipped onto test probes to increase visibility ? comes with one aaa battery
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