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34420A-1CM Datasheet(PDF) 2 Page - Agilent(Hewlett-Packard) |
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34420A-1CM Datasheet(HTML) 2 Page - Agilent(Hewlett-Packard) |
2 / 4 page 2 Specifications Accuracy Specifications ±(% of reading + % of range) 1 Function Range2 Test Current 24 Hour 90 Day 1 Year Temperature Maximum 23 °C ± 1 °C 23 °C ± 5 °C 23 °C ± 5 °C Coefficient per Lead 0 °C—18 °C Resistance 28 °C—55 °C dc Voltage 1.0000000 mV3 0.0025 + .0020 0.0040 + .0020 0.0050 + .0020 0.0004 + .0001 10.000000 mV3 0.0025 + .0002 0.0040 + .0002 0.0050 + .0003 0.0004 + .0001 100.00000 mV 0.0015 + .0003 0.0030 + .0004 0.0040 + .0004 0.0004 + .00006 1.0000000 V 0.0010 + .0003 0.0025 + .0004 0.0035 + .0004 0.0004 + .00004 10.000000 V 0.0002 + .0001 0.0020 + .0004 0.0030 + .0004 0.0001 + .00002 100.00000 V4 0.0010 + .0004 0.0025 + .0005 0.0035 + .0005 0.0004 + .00005 Resistance 5 1.0000000 Ω 10 mA 0.0015 + .0002 0.0050 + .0002 0.0070 + .0002 0.0005 + .00002 1 Ω 10.000000 Ω 10 mA 0.0015 + .0002 0.0040 + .0002 0.0060 + .0002 0.0005 + .00001 1 Ω 100.00000 Ω 10 mA 0.0015 + .0002 0.0040 + .0002 0.0060 + .0002 0.0005 + .00001 10 Ω 1.0000000 KΩ 1 mA 0.0015 + .0002 0.0040 + .0002 0.0060 + .0002 0.0005 + .00001 100 Ω 10.000000 KΩ 100 µA 0.0015 + .0002 0.0040 + .0002 0.0060 + .0002 0.0005 + .00001 1 KΩ 100.00000 KΩ 10 µA 0.0015 + .0003 0.0040 + .0004 0.0060 + .0004 0.0005 + .00002 1 KΩ 1.0000000 MΩ 5 µA 0.0020 + .0003 0.0050 + .0004 0.0070 + .0004 0.0006 + .00003 1 KΩ Low Power 1.0000000 Ω 10 mA 0.0015 + .0002 0.0050 + .0002 0.0070 + .0002 0.0005 + .00002 1 Ω Resistance 5 10.000000 Ω 10 mA 0.0015 + .0002 0.0040 + .0002 0.0060 + .0002 0.0005 + .00001 1 Ω 100.00000 Ω 1 mA 0.0015 + .0002 0.0040 + .0002 0.0060 + .0002 0.0005 + .00001 10 Ω 1.0000000 KΩ 100 µA 0.0015 + .0002 0.0040 + .0002 0.0060 + .0002 0.0005 + .00001 100 Ω 10.000000 KΩ 10 µA 0.0015 + .0004 0.0040 + .0004 0.0060 + .0004 0.0005 + .00001 1 KΩ 100.00000 KΩ 5 µA 0.0015 + .0012 0.0040 + .0015 0.0060 + .0015 0.0005 + .00003 1 KΩ 1.0000000 MΩ 5 µA 0.0020 + .0003 0.0050 + .0004 0.0070 + .0004 0.0006 + .00003 1 KΩ Voltage Limited 10.000000 Ω 1 mA 0.0020 + .0002 0.0050 + .0002 0.0070 + .0002 0.0005 + .00002 1 Ω Resistance 5, 6 100.00000 Ω 100 µA 0.0025 + .0002 0.0050 + .0002 0.0070 + .0002 0.0005 + .00002 5 Ω Channel 1 / Channel 2 (dcV Ratio) Ratio Error in % = Channel 1 accuracy in % + Channel 2 accuracy in % Channel 1-Channel 2 (dcV Difference) Difference Error = Channel 1 (% of reading + % of range) + Channel 2 (% of reading + % of range) Temperature (resolution = 0.001 °C) SPRT 7 SPRT Probe Accuracy + 0.003°C RTD RTD Probe Accuracy + 0.05°C Thermistor Thermistor Probe Accuracy + 0.1°C Thermocouple 8 Thermocouple Probe Accuracy + 0.2°C DC Voltage Noise 9 Observation Period Range 2-Minute 2-Minute 24-Hour RMS Peak-Peak Peak-Peak Noise Noise Noise 1 mV 1.3 nVrms 8 nVpp 12 nVpp 10 mV 1.5 nVrms 10 nVpp 14 nVpp 100 mV 10 nVrms 65 nVpp 80 nVpp 1 V 100 nVrms 650 nVpp 800 nVpp 10 V 450 nVrms 3 µVpp 3.7 µVpp 100 V 11 µVrms 75 µVpp 90 µVpp DC Voltage Noise vs Source Resistance 10 Source Analog Digital Resistance Noise Filter Filter 0 Ω 1.3 nVrms Off Med 100 Ω 1.7 nVrms Off Med 1k Ω 4 nVrms Off Med 10k Ω 13 nVrms Off Med 100k Ω 41 nVrms On Med 1M Ω 90 nVrms On Slow 1 Specifications are for Channel 1 or Channel 2, after 2-hour warm-up, resolution at 7.5 digits (100 NPLC), with FILTERS off. RESISTANCE specifications are for 4-wire Ohms or 2-wire ohms using Null. Without Null, add 0.2 Ohms additional error in 2-wire Ohms function. For Analog Filter ON, add 0.002% of reading. 2 20% overrange on all ranges except 5% on Voltage Limited Resistance. 3 After using Math Null. If Null is not used add 100 nanoVolts. 4 Channel 1 only. 5 Channel 1 only. Resistance measurements, for NPLC <1, add 160 µΩ rms noise. 6 Voltage limit can be set to 20 mV (default), 100 mV, or 500 mV. Measured resistance plus Channel 1 HI and LO lead resistance is limited to 10.5 Ω on the 10 Ω range and 105 Ω on the 100 Ω range. 7 For 25 Ω SPRT with triple-point of water check within the last 4 hours. Without the triple-point of water check, add 0.013°C for 24 hours, add 0.035°C for 90 day, and add 0.055°C for 1 year specifications. 8 For fixed reference junction. Add 0.3ûC for external reference junction, add 2.0ûC for internal reference junction. 9 After a 2-hour warm-up, ± 1ûC, 6.5 digits (10 PLC) with Analog Filter Off and Digital Filter Medium (50 reading average). 2-minute rms and 24-hour noise typical. For measurements using 0.02 or 0.2 NPLC, add 800 nV rms noise. 10 Typical noise behavior for Ch 1 or Ch 2, after 2 hour warm-up, 6.5 digits (10 PLC), 2 minute observation period on 1 mV range. For peak-to-peak noise, mul- tiply rms noise by 6. |
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