Keysight U1240 Series Handheld Digital Multimeters Data Sheet Key features Check more, fix more - - - - 10,000-count display 0.09% basic DCV accuracy True RMS AC measurement Basic functions -- ACV, DCV, ACI, DCI, resistance, frequency, diode, continuity tests - Advanced functions -- Capacitance, temperature, MINMAX recording Keysight Technologies, Inc. U1240 Series handheld digital multimeters enable you to check more with wider measurement ranges. They feature true RMS readings on their 10,000-count displays. The adjustable backlighting allows you to complete your jobs even in subdued lighting conditions, or to simply prolong battery life. Your maintenance tasks are greatly simplified due to the built-in switch counter, harmonic ratio, dual and differential temperature capabilities, with just a press of the button. The meters have a high safety rating with CAT III 1000 V and CAT IV 600 V protection and are certified to CE and CSA standards. On top of that, the U1240 Series comes with a certificate of calibration and test report - at no extra cost. The latest multimeters in this series, the U1241B and U1242B, now come in vivid orange cases, offering the capabilities and functions you need. Ease of use - Adjustable backlighting -- two intensity levels - Manual data logging (U1242B only) - Built-in switch counter, harmonic ratio (U1242B only), dual/differential temperature capabilities (U1242B only) Built to last - Overmold body casing - CAT III 1000 V and CAT IV 600 V safety protection - Certiied to CE and CSA standards - Operating temperature: -10 to 55 C Functions and ranges at a glance Ambient temperature MINMAX Recording Capacitance: 0.1 nF to 10 mF Resistance: 0.1 to 100 M ACA: 50 uA to 10 mA Backlight: Two intensity levels Diode Test Switch Counter DCV: 0.1m V to 1000 V ACV: 50m V to 1000 V Harmonic Ratio (U1242B only) T1-T2 Differential Temperature (U1242B only) Frequency: 1 Hz to 200 kHz Manual Data Logging (U1242B only) ACmA: 5 mA to 440 mA ACA: 0.5 A to 10 A Temperature: -40 to 1000 C Electrical Specifications DC specifications Function Range Resolution Test current/burden voltage Accuracy (% of reading + counts of least signiicant digit) 1000.0 mV 0.1 mV - 10.000 V 0.001 V - 100.00 V 0.01 V - 1000.0 V 0.1 V - 0.15% + 5 1000.0 A 0.1 A < 0.06 V (50 ) 0.1% + 3 10000 A 1 A < 0.55 V (50 ) 0.1% + 3 100.00 mA 0.01 mA < 0.18 V (0.5 ) 0.2% + 3 440.0 mA 0.1 mA < 0.8 V (0.5 ) 0.5% + 3 10.000 A3 0.001 A < 0.4 V (0.01 ) 0.6% + 5 U1241B Voltage1 Current 2 5 4 Resistance 1000.0 0.1 0.5 mA 10.000 k5 0.001 k 50 A 100.00 k 0.01 k 4.91 A 1000.0 k 0.1 k 447 nA 0.001 M 112 nA 10.000 M 6 Diode test7 U1242B 0.09% + 5 0.09% + 2 0.3% + 3 0.8% + 3 100.00 M 0.01 M 112 nA 1.5% + 3 1V 0.001 V approximately 0.5 mA 0.3% + 2 1. Input impedance: 10 M (nominal). 2. Current can be measured up to 440 mA continuously. An additional 0.2% needs to be added to the specified accuracy if the signal measured is in the range of 440 mA to 1100 mA for 30 seconds maximum. After measuring a current of > 440 mA, leave the meter to cool down for twice the measuring time used before applying a low current measurement. 3. Current can be measured up to 10 A continuously with a maximum operating temperature of 50 C. An additional 0.3% needs to be added to the specified accuracy if the signal measured is in the range of 10 A to 19.999 A for 15 seconds maximum. After measuring a current of > 10 A, leave the meter to cool down for 60 seconds before applying a low current measurement. 4. The maximum open voltage is < 2.8 V. For instant continuity, the built-in buzzer sounds when resistance is < 10.0 . 5. The accuracy of 1 k and 10 k is specified after Null function, which is used to substrate the test lead resistance and the thermal effect. 6. For the range of 100 M, the R.H. is specified for < 60%. The temperature coefficient will be 0.15 times of specified accuracy as > 50 M. 7. Overload protection: 1000 V RMS for circuits < 0.3 A short circuit current. The built-in buzzer sounds when reading is approximately below 50 mV and audible single tone for normal forward biased diode or semiconductor junction as 0.3 V Reading 0.8 V. 3 Electrical Specifications AC specifications Function Range Resolution Test current/burden voltage 1000.0 mV 0.1 mV - 10.000 V 0.001 V - 100.00 V 0.01 V - 1000.0 V 0.1 V - 1000.0 A 0.1 A < 0.06 V (50 ) 10000 A 1 A < 0.55 V (50 ) 100.00 mA 0.01 mA < 0.18 V (0.5 ) Accuracy (% of reading + counts of least signiicant digit) 40 to 500 Hz AC voltage8, 12 True RMS AC current9, 12 True RMS 10 1% + 5 500 Hz to 1 kHz 1 to 2 kHz 2% + 5 - 1% + 5 2% + 5 - 440.0 mA 0.1 mA < 0.8 V (0.5 ) 10.000 A11 0.001 A < 0.4 V (0.01 ) 1% + 5 1.5% + 5 - 8. Input impedance: 10 M (nominal) in parallel with < 100 pF, with overload protection of 1000 V RMS 9. Crest factor 3. For non-sinusoidal waveforms with crest factor up to 3, add 2% reading + 2% full scale typical. 10. Current can be measured from 50 mA to 440 mA continuously. An additional 0.2% needs to be added to the specified accuracy if the signal measured is in the range of 440 mA to 1100 mA for 30 seconds maximum. After measuring a current of > 440 mA, leave the meter to cool down for twice the measuring time used before application of low current measurement. 11. Current can be measured from 0.5 A up to 10 A continuously with a maximum operating temperature of 50 C. An additional 0.3% needs to be added to the specified accuracy if the signal measured is in the range of 10 A to 19.999 A for 15 seconds maximum. After measuring a current of >10 A, leave the meter to cool down for 60 seconds before applying a low current measurement. 12. AC voltage and AC current specifications are AC coupled. True RMS measurement is valid from 5 % of range to 100 % of range. Temperature specifications Thermocouple type Range Resolution Accuracy (% of reading + offset error) K (for U1241B and U1242B) -40 to 1000 C/-48 to 1832 F 0.1 C /0.1 F 1% + 1 C/1% + 1.8 F J (for U1242B only) -40 to 1000 C/-48 to 1832 F 0.1 C/0.1 F 1% + 1 C/1% + 1.8 F Capacitance specifications Range Resolution 1000.0 nF 0.1 nF 10.000 F 0.001 F 100.00 F 0.01 F 1000.0 F 0.1 F 10.000 mF 0.001 mF Accuracy (% of reading + counts of least signiicant digit) 1.2% + 4 2% + 4 Harmonic ratio specifications Range Frequency Voltage 0.0% to 99.9% 40 to 500 Hz 100 mVAC to 1000 VAC 4 Electrical Specifications Switch counter definition Switch condition1, 2 Circuit switch Display 3 Switch threshold Low level Normally close Lo < 370 ohms Intermittent4 Close to open Number of switch count Low to high transition High level Normally open Hi > 430 ohms Intermittent5 Open to close Number of switch count High to low transition 1. 2. 3. 4. 5. Detects intermittent Opens or Closes lasting for at least 250 sec. Test current of 0.5 mA with maximum open circuit voltage of 2.8 V is used. Maximum count reading: 199.99 M (display "OL" when achieving 2 x 108 and thereafter). Count only low to high transition for initial switch condition of Low. Count only high to low transition for initial switch condition of High. Frequency specifications Range Resolution 100.00 Hz 0.01 Hz 1000.0 Hz 0.1 Hz 10.000 kHz 0.001 kHz 100.00 kHz 0.01 kHz 1000.0 kHz1 0.1 kHz Accuracy Minimum input frequency 0.03%+3 1 Hz 1. Effective frequency measurement of up to 200 kHz; refer to frequency sensitivity table below for details. Frequency sensitivity during voltage measurement Input range (Maximum input for speciied accuracy = 10 x Range or 1000 V) Minimum sensitivity (RMS sine wave) 20 Hz to 50 kHz 50 to 200 kHz 1000.0 mV 0.3 V 0.6 V 10.000 V 0.5 V 1.8 V 100.00 V 5V 10 V (< 100 kHz) 1000.0 V 50 V 100 V (< 100 kHz) Frequency sensitivity during current measurement Minimum sensitivity (RMS sine wave) Input range 20 Hz to 20 kHz 1000.0 A 100 A 10000 A 500 A 100.00 mA 10 mA 440.00 mA 50 mA 10.000 A 1A 5 Electrical Specifications Measuring rate Function Times/second ACV 7 DCV (V or mV) 7 14 Diode 14 Capacitance 4 (< 100 F) DCA (A, mA, A) 7 ACA (A, mA, A) 7 Temperature 7 (single) Frequency 1 (> 10 Hz) General Specifications Display Dual display (secondary display is intended for temperature function display only) consists of 4-digit liquid crystal display (LCD) with maximum reading of 11,000 counts. Automatic polarity indication. Power consumption 0.22 VA maximum Battery type and life Four single standard 1.5 V AAA batteries (Alkaline or Zinc Chloride type); 300 hours typical Operating environment - Full accuracy at -10 to 55 C; and to 80% RH for temperatures up to 30 C, decreasing linearly to 50% RH at 55 C - 0 - 2000 meters per IEC 61010-1 2nd Edition CAT III, 1000 V / CAT IV, 600 V IEC 61010-1 2nd Edition Storage compliance -20 to 70 C Safety compliance - IEC 61010-1:2001 / EN61010-1:2001 - Canada: CSA C22.2 No. 61010-1:2004 Measurement category CAT III 1000 V / CAT IV 600 V Overvoltage Protection, Pollution Degree 2 EMC compliance - CISPR 11:1990/EN55011:1990 - Canada: ICES-001:2004 - Australia/New Zealand: AS/NZS CISPR11:2004 Common Mode Rejection Ratio (CMRR) > 90 dB at DC, 50/60 Hz 0.1% (1 k unbalanced) Normal Mode Rejection Ration (NMRR) > 60 dB at 50/60 Hz 0.1% Crest factor < 3.0 Temperature coeficient 0.1 x (specified accuracy) / C (from -10 to 18 C or 28 to 55 C) Shock and vibration Tested to IEC/EN 60068-2 Dimensions (H x W x D) 193.8 mm x 92.2 mm x 58.0 mm Weight - 450 g with batteries - 400 g without batteries Warranty - Three years for main unit - Three months for standard shipped accessories 6 Ordering Information U1241B U1242B Standard shipped accessories - - - - - Four 1.5 V AAA alkaline batteries Certificate of Calibration (CoC) Test probe leads (4-mm tips) Quick Start Guide Free test data (Option UK6) Optional accessories Measuring accessories (non-temperature) U1161A Extended test lead kit Includes two test leads (red and black), two test probes, mediumsized alligator clips and 4-mm banana plugs. - Test leads: CAT III 1000 V, CAT IV 600 V, 15 A - Test probes: CAT lll 1000 V, CAT lV 600 V, 15 A - Medium-sized alligator clips: CAT III 1000 V, CAT IV 600 V, 15 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 Keysight standard test leads. - Rated CAT III 1000 V, CAT IV 600 V, 15 A U1163A SMT grabbers - One pair of SMT grabbers (red and black). Recommended for use with Keysight standard test leads. - Rated CAT II 300 V, 3 A U1164A Fine-tip test probes - One pair of fine-tip test probes (red and black). Recommended for use with Keysight standard test leads. - Rated CAT II 300 V, 3 A U1168A Standard test lead kit Includes two test leads (red and black), 19-mm and 4-mm test probes, alligator clips, fine-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 II 1000 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, CAT IV 600 V, 15 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 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 II 1000 V, 15 A - Test probes (4-mm tip): CAT III 1000 V, CAT IV 600 V, 15 A (highly recommended for CAT IV environment) 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 7 Ordering Information Optional accessories Measuring accessories (temperature) 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: -20 C to 200 C - T/C bead K-type: -20 C to 200 C U1181A Immersion temperature probe - Type-K T/C for use in oil and other liquids - Measurement range: -50 C to 700 C - Includes adapter U1184A for connection to DMM U1182A Industrial surface temperature probe - Type-K T/C for use on still surfaces - Measurement range: -50 C to 400 C - 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: -50 C to 800 C - 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: -20 C to 200 C U1186A K-type thermocouple and adapter - T/C adapter J/K-type - T/C bead J-type: -20 C to 200 C Carrying case U1172A Transit case (aluminium-clad) The robust casing to transport your DMM and accessories - Aluminum-clad, black panel construction - Dimension: 18 inches (H) x 13 inches (W) x 6 inches (D) - Weight: 4 kg U1174A Soft carrying case The convenient way to carry your DMM and essential accessories - Dimension: 9 inches (H) x 5 inches (W) x 3 inches (D) Hanging kit U1171A Magnetic hanging kit For fastening the DMM to a steel surface so both hands are free U1179A IR Connectivity Bracke Connect with U1177A IR-to-Bluetooth adapter or U1173A IR-USB cable 8 09 | Keysight | U1240 Series Handheld Digital Multimeters - Data Sheet myKeysight www.keysight.com/find/mykeysight A personalized view into the information most relevant to you. www.axiestandard.org AdvancedTCA(R) 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. 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/ThreeYearWarranty Keysight's 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/AssurancePlans Up 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/quality Keysight Electronic Measurement Group DEKRA Certified ISO 9001:2008 Quality Management System Keysight Channel Partners www.keysight.com/find/channelpartners Get the best of both worlds: Keysight's measurement expertise and product breadth, combined with channel partner convenience. www.keysight.com/find/handhelddmm 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 Brazil Mexico United States (877) 894 4414 55 11 3351 7010 001 800 254 2440 (800) 829 4444 Asia Paciic Australia China Hong Kong India Japan Korea Malaysia Singapore Taiwan Other AP Countries 1 800 629 485 800 810 0189 800 938 693 1 800 112 929 0120 (421) 345 080 769 0800 1 800 888 848 1 800 375 8100 0800 047 866 (65) 6375 8100 Europe & Middle East Austria Belgium Finland France Germany Ireland Israel Italy Luxembourg Netherlands Russia Spain Sweden Switzerland United Kingdom 0800 001122 0800 58580 0800 523252 0805 980333 0800 6270999 1800 832700 1 809 343051 800 599100 +32 800 58580 0800 0233200 8800 5009286 0800 000154 0200 882255 0800 805353 Opt. 1 (DE) Opt. 2 (FR) Opt. 3 (IT) 0800 0260637 For other unlisted countries: www.keysight.com/find/contactus (BP-06-16-14) This information is subject to change without notice. (c) Keysight Technologies, 2013 - 2014 Published in USA, August 3, 2014 5989-7040EN www.keysight.com