keysight U1401B handheld multi-function calibrator/meter data sheet calibrate while you measure with just one tool
introduction the keysight technologies, inc. handheld multi-function calibrato r/meter has all you need for quick validation, servicing or troubleshooting of process con trol devices on the go. travel and test easily with one rugged, feature-packed tool. keysi ght now offers its latest handheld calibrator/meter, the U1401B in all-new orange, p roviding all the capabilities and functions you need. the 2-in-1 that helps you travel light more often than not, the calibration of process control parts requires sim ultaneous measurements with a dmm. with the U1401B, you can carry two tools in oneand calibrate while you measure. slip the U1401B in its sturdy carrying case an d youre ready to go. full-featured dmm functions the U1401B is packed with a full span of dmm measurement functions, includi ng ac+dc voltage and current, resistance, temperature, frequency, diode and con tinuity tests. it also equips you with recording functions such as hold, min/max/average an d data logging to pc. rugged and tested to stringent standards the U1401B comes with a robust protective holster and is tested to stringen t industrial standards. each U1401B is also sealed with a three-year warranty and the ass urance that you can perform your calibration tasks with conidence. features C dual display with bright lcd backlight C simultaneous source and measure C bipolar voltage and current, square-wave, auto scan and ramp outputs C full-span dmm capability, including temperature and frequency measurements C hold and min/max/average recordings C data logging to pc with optional ir-to-usb cable C built-in charging capability 02 | keysight | U1401B handheld multi-function calibrator/meter - data sheet
take a closer look robust protective holster hold and min/max/avg recordings built-in battery-charging capability bipolar voltage and current, square-wave, auto scan and ramp simultaneous source and measure dual display with backlight 4 C 20 ma and 0 C 20 ma percentage scale readout easy function access through intuitive buttons and rotary switch voltage, current, resistance, temperature, frequency, pulse width, duty cycle, diode and continuity 03 | keysight | U1401B handheld multi-function calibrator/meter - data sheet
input speciications the accuracy is given as (% of reading + counts of least signiicant digit (lsd) ) at 23 c 5 c, with relative humidity less than 80% r.h. and after a warm-up period of at least ive minutes. without warm-up, an ad ditional ive counts of lsd need to be considered. voltage speciications function range resolution accuracy overload protection dc voltage 1 50 mv 1 v 0.05% + 50 2 250 vrms 500 mv 10 v 0.03% + 5 5 v 0.1 mv 50 v 1 mv 250 v 10 mv ac voltage 3 (true-rms: from 5% to 100% of range) 50 mv 1 v 45 hz to 5 khz: 0.7% + 40 5 khz to 20 khz: 1.5% + 40 500 mv 10 v 45 hz to 5 khz: 0.7% + 20 5 khz to 20 khz: 1.5% + 20 5 v 0.1 mv 50 v 1 mv 250 v 10 mv ac+dc voltage 3 (true-rms: from 5% to 100% of range) 50 mv 1 v 45 hz to 5 khz: 0.8% + 70 5 khz to 20 khz: 1.6% + 70 500 mv 10 v 45 hz to 5 khz: 0.8% + 25 5 khz to 20 khz: 1.6% + 25 5 v 0.1 mv 50 v 1 mv 250 v 10 mv 1. input impedance: 10 m (nominal) for the range of 5 v and above, and 1 g (nominal) f or the 50/500 mv range. 2. accuracy can be improved to 0.05% + 5. always use the relative function to offs et thermal effects before measuring the signal. 3. input impedance: 1.1 m in parallel with < 100 pf (nominal) for the range of 5 v and ab ove, and 1 g (nominal) for the 50/500 mv range. crest factor 3. current speciications function range resolution accuracy burden voltage/shunt overload protection dc current 50 ma 1 a 0.03% + 5 1 0.06 v (1 ) 250 v, 630 ma quick acting fuse 500 ma 10 a 0.03% + 5 1 0.6 v (1 ) ac current 2 (true-rms: from 5% to 100% of range) 50 ma 1 a 45 hz to 5 khz: 0.6% + 20 0.06 v (1 ) 500 ma 10 a 45 hz to 5 khz: 0.6% + 20 0.6 v (1 ) ac+dc current 2 (true-rms: from 5% to 100% of range) 50 ma 1 a 45 hz to 5 khz: 0.7% + 25 0.06 v (1 ) 500 ma 10 a 45 hz to 5 khz: 0.7% + 25 0.6 v (1 ) 1. always use the relative function to offset thermal effects before measu ring the signal. if this function is not used, accuracy could go down to 0.03% + 25 . thermal effects may be present due to: C constant current, constant voltage, or square wave output. C wrong operation. for example, resistance, diode, or mv measurement fu nction is used to measure high voltage signals exceeding 250 v. C after battery charging has completed. C after measuring current greater than 50 ma. 2. crest factor 3. 04 | keysight | U1401B handheld multi-function calibrator/meter - data sheet
input speciications temperature speciications thermocouple type range resolution accuracy 1 overload protection k C40 c to 1372 c 0.1 c 0.3% + 3 c 250 vrms C40 f to 2502 f 0.1 of 0.3% + 6 f 1. accuracy is speciied for meter operation only, excludes thermocoupl e probe tolerance and with the instrument placed in the operating area for at l east one hour. resistance speciications range resolution accuracy minimum input current overload protection 500 w 0.01 w 0.15% + 8 2 0.45 ma 250 vrms 5 kw 0.1 w 0.15% + 5 2 0.45 ma 50 kw 1 w 45 a 500 kw 10 w 4.5 a 5 mw 0.1 kw 450 na 50 mw 1 kw 1% + 8 3 45 na 2. accuracy is speciied after applying the relative function to offset any t est lead resistance and thermal effect. 3. accuracy is speciied for < 60% r.h. diode and continuity speciications for diode test, the overload protection is 250 vrms and the instrument will b eep when the reading is below 50 mv (approximately). for continuity test, the instrument will beep when the resistance is less tha n 10.00 . resolution accuracy test current open voltage 0.1 mv 0.05% + 5 approximately 0.45 ma < +4.8 vdc 1 ms peak hold speciications signal width accuracy for dc mv/voltage/current single event > 1 ms 2% + 400 for all ranges 05 | keysight | U1401B handheld multi-function calibrator/meter - data sheet
input speciications frequency speciications range resolution accuracy minimum input frequency overload protection 100 hz 0.001 hz 0.02% + 3 1 hz 250 vrms 1 khz 0.01 hz 10 khz 0.1 hz 100 khz 1 hz 200 khz 10 khz frequency sensitivity and trigger level for voltage measurement input range minimum sensitivity (rms sine wave) trigger level for dc coupling 1 hz to 100 khz > 100 khz < 20 khz 20 khz to 200 khz 50 mv 15 mv 25 mv 20 mv 30 mv 500 mv 35 mv 50 mv 60 mv 80 mv 5 v 0.3 v 0.5 v 0.6 v 0.8 v 50 v 3 v 5 v 6 v 8 v 250 v 30 v C 60 v C frequency sensitivity for current measurement input range minimum sensitivity (rms sine wave) 30 hz to 20 khz 50 ma 2.5 ma 500 ma 25 ma duty cycle and pulse width function mode range accuracy at full scale 1 duty cycle dc coupling 0.1% to 99.9% 0.3% per khz + 0.3% ac coupling 5% to 95% pulse width 2 C 0.01 ms to 1999.9 ms 0.2% + 3 1. accuracy is based on a 5-v square-wave input to the 5 vdc range. 2. pulse width must be greater than 10 s and its range is determined by the frequ ency of the signal. 06 | keysight | U1401B handheld multi-function calibrator/meter - data sheet
output speciications accuracy is given as (% of output + counts of least signiicant digit (lsd)) at 23 c 5 c, with relative humidity less than 80% r.h. and after a warm-up period of at least ive minutes. the maximum input voltage pro tection is 30 vdc. constant voltage and current outputs function range resolution accuracy maximum output constant voltage (cv) 1.5000 v 0.1 mv 0.03% + 3 25 ma or above 1 15.000 v 1 mv constant current (cc) 25.000 ma 1 a 0.03% + 5 12 v or above 2, 3 1. loading coeficient: 0.012 mv/ma for 1.5 v output. 2. loading coeficient: 1 a/ v. the minimum output voltage is based on 20 ma into a 60 0 load. 3. if the current loop has a 24-v power, a minimum output voltage of 24 v is achievabl e with a 20 ma current into a 1200- load (applicable only in simulation mode). square wave output output range resolution accuracy frequency (hz) 0.5, 1, 2, 5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 480, 600, 800, 1200, 1600, 2400, 4800 0.01 0.005% + 1 duty cycle (%) 4 0.39% to 99.60% 0.390625% 0.01% + 0.2% 5 pulse width (ms) 4 1/frequency range/256 0.01% + 0.3 ms amplitude (v) 5 v, 12 v 0.1 v 2% + 0.2 v 5 v, 12 v 0.1 v 2% + 0.4 v 4. the positive or negative pulse width must be greater than 50 s to enable adjus tment of duty cycle or pulse width under different frequencies. otherwi se, the accuracy and range will be different from the speciications deined. 5. for signal frequencies greater than 1 khz, add an addition of 0.1% per khz. 07 | keysight | U1401B handheld multi-function calibrator/meter - data sheet
general speciications display both primary and secondary displays are 5-digit on the liquid crystal display ( lcd) with a maximum resolution of 50,000 counts and automatic polarity indication. backlig ht available. power supply C 9.6 v ni-mh rechargeable batteries: 1.2 v x 8 pieces. no cadmium, lead or mercury. C external switching adapter: ac 100 v to 240 v, 50/60 hz input and dc 24 v/2.5 a output . power consumption C battery charging: 9.3 va typical C sourcing of constant current at 25 ma, maximum load: 5.5 va typical on 24 v dc adapter, 2. 4 va typical on 9.6 v batteries C meter only: 1.8 va typical on 24 v dc adapter, 0.6 va typical on 9.6 v batteries battery life assuming fully-charged ni-mh batteries: meter only: 20 hours (approximately) source/meter: 4 hours (approximately) will appear when voltage drops below 9 v (approximately) charging time three hours (approximately) in 10 c to 30 c environment note: prolonged charging is required if battery is fully discharged measurement rate three readings/second, except for: C ac+dc: 1 reading/second C frequency and duty cycle (> 1 hz): 1 reading/second C pulse width (> 1 hz): 0.25 to 1 reading/second common mode rejection ratio (cmrr) > 90 db at dc, 50/60 hz 0.1% (1 k unbalanced) normal mode rejection ratio (nmrr) > 60 db at dc, 50/60 hz 0.1% operating environment 0 c to 40 c; up to 80% relative humidity (r.h.) for temperatures up to 31 c, decreasing lin early to 50% r.h. at 40 c storage environment C20 c to 60 c with batteries removed; 5% to 80% r.h. non-condensing altitude 0 to 2000 m safety compliance iec 61010-1:2001/en61010-1:2001 (2nd edition), can/csa-c22.2 n o. 61010-1-04, ansi/ul 61010-1:2004, cat ii 150 v overvoltage protection, pollutio n degree 2 emc compliance iec61326-2-1:2005/en61326-2-1:2006, ices-001:2004, as/nzs cis pr11:2004 temperature coeficient C input: 0.15 x (speciied accuracy)/c (from 0 c to 18 c or 28 c to 40 c) C output: (50 ppm output + 0.5 digit)/c dimensions (h x w x d) 192 mm x 90 mm x 54 mm weight 0.98 kg with holster and batteries calibration one-year calibration cycle recommended warranty C three years for main unit C three months for standard accessories unless otherwise speciied 08 | keysight | U1401B handheld multi-function calibrator/meter - data sheet
ordering information standard shipped accessories C quick start guide C certiicate of calibration (coc) C calibrator/meter standard test lead kit C yellow test lead for ma simulation C protective holster C rechargeable battery pack C ac power adapter and cord (according to country) optional accessories u5481a ir-to-usb cable u1186a k-type thermocouple and adapter u1181a u1182a u1183a C immersion temperature probe C industrial surface temperature probe C air temperature probe u1168a standard test lead kit u5491a soft carrying case u5402a yellow test lead for ma simulation more accessories at: www.keysight.com/ind/handheld-calibrator-meter U1401B 09 | keysight | U1401B handheld multi-function calibrator/meter - data sheet
mykeysight www.keysight.com/find/mykeysighta personalized view into the information most relevant to you. www.axiestandard.org advancedtca ? extensions for instrumentation and test (axie) is an open standard that extends the advancedtca for general purpose and semiconductor test. keysight is a founding member of the axie consortium. atca ? , advancedtca ? , and the atca logo are registered us trademarks of the pci industrial computer manufacturers group. www.lxistandard.org lan extensions for instruments puts the power of ethernet and the web inside your test systems. keysight is a founding member of the lxi consortium. www.pxisa.org pci extensions for instrumentation (pxi) modular instrumentation delivers a rugged, pc-based high-performance measurement and automation system. three-year warranty www.keysight.com/find/threeyearwarrantykeysights commitment to superior product quality and lower total cost of ownership. the only test and measurement company with three-year warranty standard on all instruments, worldwide. keysight assurance plans www.keysight.com/find/assuranceplansup to five years of protection and no budgetary surprises to ensure your instruments are operating to specification so you can rely on accurate measurements. www.keysight.com/go/quality keysight technologies, inc.dekra certified iso 9001:2008 quality management systemkeysight channel partners www.keysight.com/find/channelpartners get the best of both worlds: keysights measurement expertise and product breadth, combined with channel partner convenience. www.keysight.com/find/handheld-calibrator-meter for more information on keysight technologies products, applications or services, please contact your local keysight office. the complete list is available at: www.keysight.com/find/contactus americas canada (877) 894 4414 brazil 55 11 3351 7010 mexico 001 800 254 2440 united states (800) 829 4444 asia paciic australia 1 800 629 485 china 800 810 0189 hong kong 800 938 693 india 1 800 112 929 japan 0120 (421) 345 korea 080 769 0800 malaysia 1 800 888 848 singapore 1 800 375 8100 taiwan 0800 047 866 other ap countries (65) 6375 8100 europe & middle east austria 0800 001122 belgium 0800 58580 finland 0800 523252 france 0805 980333 germany 0800 6270999 ireland 1800 832700 israel 1 809 343051 italy 800 599100 luxembourg +32 800 58580 netherlands 0800 0233200 russia 8800 5009286 spain 0800 000154 sweden 0200 882255 switzerland 0800 805353 opt. 1 (de)opt. 2 (fr) opt. 3 (it) united kingdom 0800 0260637 for other unlisted countries: www.keysight.com/find/contactus (bp-07-10-14) 10 | keysight | U1401B handheld multi-function calibrator/meter - data sheet this information is subject to change without notice.? keysight technologies, 2013 - 2014 published in usa, august 3, 2014 5990-3459en www.keysight.com
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