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Agilent E1412A 6.5-Digit High-Accuracy Multimeter C-Size
Data Sheet
Features
* 1-Slot, C-size, message-based * DCV, ACV, DCI, ACI, 2/4-wire , frequency, period * NULL, MIN/MAX, LIMIT, dB, dBm * 1000 reading/s into internal memory at 4.5 digits * Fast range/function changes * Reading storage with internal memory
Description
The Agilent Technologies E1412A 6.5-Digit Multimeter is a C-size, 1-slot, message-based VXI module. It is identical in electrical design to the E1312A, differing only in size. It delivers the widest functionality in Agilent's DMM line. It also delivers high performance and Agilent high quality at prices you'd expect to pay for a 5.5-digit DMM. This multimeter's wide product functionality includes volts, amps, ohms, and frequency with advanced tests including limit checks to drive a TTL output and dc voltage ratios. Standard measurements include ac/dc voltage, ac/dc current, 2- and 4-wire , plus frequency/period. When measuring dcV, this multimeter can deliver 65 range changes per second and 30 function changes per second. Refer to the Agilent Technologies Website for instrument driver availability and downloading instructions, as well as for recent product updates, if applicable.
DC Specifications
Specifications are for 1-hour warm-up at an integration time of 100 PLCs.
DC Summary:
DC voltage: Voltage accuracy (dc): 300 V max. 0.0019%
DC Accuracy (% of reading + % of range): Specifications for 1-hour warm-up at 6.5 digits DC voltage:
Range2 Test Current or Burden Voltage 24 Hour1 23C 1C 0.0030 + 0.0030 0.0020 + 0.0006 0.0015 + 0.0004 0.0020 + 0.0006 0.0020 + 0.0018 90 Day 23C 5C 0.0040 + 0.0035 0.0030 + 0.0007 0.0020 + 0.0005 0.0035 + 0.0006 0.0035 + 0.0030 1 Year 23C 5C 0.0050 + 0.0035 0.0040 + 0.0007 0.0035 + 0.0005 0.0045 + 0.0006 0.0045 + 0.0030 Temperature Coefficient 0C - 18C 28C - 55C 0.0005 + 0.0005 0.0005 + 0.0001 0.0005 + 0.0001 0.0005 + 0.0001 0.0005 + 0.0003
100.0000 mV 1.000000 V 10.00000 V 100.0000 V 300.0000 V
Range Resistance:3 100.0000 1.000000 k 10.00000 k 100.0000 k 1.000000 M 10.00000 M 100.0000 M
Test Current or Burden Voltage 1 mA 1 mA 100 A 10 A 5 A 500 nA 500 nA || 10 M
24 Hour1 23C 1C 0.0030 + 0.0030 0.0020 + 0.0005 0.0020 + 0.0005 0.0020 + 0.0005 0.002 + 0.001 0.015 + 0.001 0.300 + 0.010
90 Day 23C 5C 0.008 + 0.004 0.008 + 0.001 0.008 + 0.001 0.008 + 0.001 0.008 + 0.001 0.035 + 0.001 0.800 + 0.010
1 Year 23C 5C 0.010 + 0.004 0.010 + 0.001 0.010 + 0.001 0.010 + 0.001 0.010 + 0.001 0.054 + 0.001 0.800 + 0.010
Temperature Coefficient 0C - 18C 28C - 55C 0.0006 + 0.0005 0.0006 + 0.0001 0.0006 + 0.0001 0.0006 + 0.0001 0.0010 + 0.0002 0.0030 + 0.0004 0.1500 + 0.0002
Range dc current: 10.00000 mA 100.0000 mA 1.000000 A 3.000000 A
Test Current or Burden Voltage <0.1 V <0.6 V <1 V <2 V
24 Hour 23C 1 C 0.005 + 0.010 0.01 + 0.004 0.10 + 0.006 0.70 + 0.020
90 Day 23C 5 C 0.050 + 0.020 0.040 + 0.005 0.130 + 0.010 0.720 + 0.020
1 Year 23C 5C 0.070 + 0.020 0.070 + 0.005 0.150 + 0.010 0.720 + 0.020
Temperature Coefficient 0C - 18C 28C - 55C 0.005 + 0.0020 0.006 + 0.0005 0.005 + 0.0010 0.005 + 0.0020
DC:DC Ratio: Range2 100 mV to 300 V: (Input Accuracy) + (Reference Accuracy) Input Accuracy = accuracy specification for the HI-LO input signal Reference Accuracy = accuracy specification for HI-LO reference input signal
1 Relative to calibration standards. 2 20% overrange on all ranges, except 300 Vdc and 3 A range. 3 Specifications are for 4-wire function, or 2-wire using Math Null, without Math Null, add 0.2 additional error in 2-wire function.
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DC Specifications (continued)
Specifications are for 1-hour warm-up at an integration time of 100 PLCs.
DC Voltage Characteristics:
Measurement method: A/D linearity: 2/4-wire : Input resistance: Input bias current: Input terminals: Input protection: 0.1 V, 1 V, 10 V ranges: 100 V, 300 V ranges: Continuously integrating, multi-slope III A/D converter 0.0002% of reading + 0.0001% of range 100 M Selectable 10 M or 10 G 10 M 1% <30 pA at 25C Copper alloy 300 V on all ranges
Resistance:
Measurement method: Max. lead resistance: Selectable 4-wire or 2-wire (Current source referenced to low input) (4-wire ) 10% of range per lead for dc Current 100 and 1 k per lead on all other ranges 300 V on all ranges 0.1 for 1 A and 3 A, 5 for 10 mA and 100 mA Externally accessible 3 A, 250 V fuse
Input protection: Shunt resistor: Input protection:
Measurement Noise Rejection:
60 Hz (50 Hz) (For 1 k unbalance in LO lead.) DC CMMR: Integration Time 100 PLC/1.67s (2s) 10 PLC/167 ms (200 ms) 1 PLC/16.7 ms (20 ms) <1 PLC/3 ms (800 s)
1 For power-line frequency 0.1%. 2 For power-line frequency 1%, subtract 20 dB; for 3%, subtract 30 dB.
140 dB Normal mode rejection1 60 dB2 60 dB2 60 dB2 0 dB
System Speed:
(Speeds are for 4.5 digits, Delay 0 and Autozero OFF. Includes measurement and data transfer over VXI backplane.) Function change: Range change: Autorange time: Max. internal trigger rate: Max. external trigger rate to memory: 30/s 65/s <30 ms 1000/s 1000/s 3
DC Specifications (continued)
Specifications are for 1-hour warm-up at an integration time of 100 PLCs.
DC:DC Ratio:
Measurement method: Input HI to Input LO: Reference HI to Input LO: Reference LO to Input LO:
Input HI-LO/Reference HI-LO Apply "Reference HI-LO" signal to Ohms 4-Wire Sense terminals. 100 mV to 300 V <12 V on 100 mV to 10 V ranges (autoranged) <2 V
Additional Error with Autozero OFF:
Following instrument warm-up at calibration temperature 1C and <10 minutes.
100 mV-100 V ranges: 300 V range: add 0.0002% reading + 5 V add 0.0006% reading
DC Operating Characteristics: Readings speeds for 60 Hz and (50 Hz) operation, Autozero OFF.
Function DCV, DCI and DCV, DCI and DCV, DCI and DCV, DCI and DCV, DCI and NPLC 100 10 1 0.2 0.02 Digits 6.5 6.5 5.5 5.5 4.5 Reading/s 0.6 (0.5) 6 (5) 60 (50) 300 1,000 Additional Noise Error 0% of range 0% of range 0.001% of range* 0.001% of range* 0.01% of range*
*For 300 V range: use 0.003% of range for 5.5 digits and 0.030% of range for 4.5 digits. For all ranges: add 20 V for dc Volts, 4 A for dc current, or 20 m for resistance.
Considerations
Settling considerations: Measurement considerations: Reading settling times are affected by source impedance, cable dielectric characteristics, and input signal changes. Agilent recommends the use of Teflon or other high impedance, low-dielectric absorption wire insulation for these measurements.
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AC Specifications
AC Summary
AC voltage: Voltage accuracy (ac): 300 V max. 0.07%
AC Accuracy (% of reading + % of range): Specifications for 1-hour warm-up at 6.5 digits. Slow ac filter, sinewave input. True RMS AC Voltage3:
Range2 Frequency 24 Hour1 23C 1C 1.00 + 0.03 0.35 + 0.03 0.04 + 0.03 0.10 + 0.05 0.55 + 0.08 5.00 + 0.50 1.00 + 0.02 0.35 + 0.02 0.04 + 0.02 0.10 + 0.04 0.55 + 0.08 5.00 + 0.50 90 Day 23C 5C 1.00 + 0.04 0.35 + 0.04 0.05 + 0.04 0.11 + 0.05 0.60 + 0.08 5.00 + 0.50 1.00 + 0.03 0.35 + 0.03 0.05 + 0.03 0.11 + 0.05 0.60 + 0.08 5.00 + 0.50 1 Year 23C 5C 1.00 + 0.04 0.35 + 0.04 0.06 + 0.04 0.12 + 0.05 0.60 + 0.08 5.00 + 0.50 1.00 + 0.03 0.35 + 0.03 0.06 + 0.03 0.12 + 0.05 0.06 + 0.08 5.00 + 0.50 Temperature Coefficient 0C - 18C 28C - 55C 0.100 + 0.004 0.035 + 0.004 0.005 + 0.004 0.011 + 0.005 0.060 + 0.008 0.020 + 0.020 0.100 + 0.003 0.035 + 0.003 0.005 + 0.003 0.011 + 0.005 0.060 + 0.008 0.200 + 0.020
100.0000 mV 100.0000 mV 100.0000 mV 100.0000 mV 100.0000 mV 100.0000 mV 1.000000 V to 300.000 V 4 1.000000 V to 300.000 V 4 1.000000 V to 300.000 V 4 1.000000 V to 300.000 V 4 1.000000 V to 300.000 V 4 1.000000 V to 300.000 V 4
3 Hz-5 Hz 5 Hz-10 Hz 10 Hz-20 kHz 20 kHz-50 kHz 50 kHz-100 kHz 100 kHz-300 kHz 3 Hz-5 Hz 5 Hz-10 Hz 10 Hz-20 kHz 20 kHz-50 kHz 50 kHz-100 kHz 100 kHz-300 kHz5
True RMS AC Current3:
Range Frequency 24 Hour 23C 1C 1.05 + 0.04 0.35 + 0.04 0.15 + 0.04 0.40 + 0.04 1.70 + 0.06 0.95 + 0.06 0.75 + 0.06 1.00 + 0.06 90 Day 23C 5C 1.05 + 0.04 0.35 + 0.04 0.15 + 0.04 0.40 + 0.04 1.70 + 0.06 0.95 + 0.06 0.75 + 0.06 1.00 + 0.06 1 Year 23C 5C 1.05 + 0.04 0.35 + 0.04 0.15 + 0.04 0.40 + 0.04 1.70 + 0.06 0.95 + 0.06 0.75 + 0.06 1.00 + 0.06 Temperature Coefficient 0C - 18C 28C - 55C 0.100 + 0.006 0.035 + 0.006 0.015 + 0.006 0.015 + 0.006 0.100 + 0.006 0.035 + 0.006 0.015 + 0.006 0.15 + 0.06
1.000000 A 1.000000 A 1.000000 A 1.000000 A 3.000000 A 3.000000 A 3.000000 A 3.000000 A
1 Relative to calibration standards.
3 Hz-5 Hz 5 Hz-10 Hz 10 Hz-1 kHz 1 kHz-50 kHz 3 Hz-5 Hz 5 Hz-10 Hz 10 Hz-1 kHz 1 kHz-50 kHz
2 20% overrange on all ranges, except 300 Vac and 3 A ranges which have 1% overrange. 3 100 mV to 100 V range specifications are for sine wave input >5% of range. For inputs from 1% to 5% of range and <50 kHz, add 0.1% of range additional error.
For 50 kHz to 100 kHz, add 0.13% additional error. 300 V range specifications are for sinewave input >15% of range. For inputs from 3% to 15% of range and >50 kHz, add 0.30% of kHz, add 0.40% of range additional error.
4 For 300 V range, use (% reading) shown in table and multiply each (% range) x 3. 5 300 Vac range limited to 50 kHz. For frequencies >50 kHz, signals must be 1.5 x 107 VHz.
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AC Specifications (continued)
Additional AC Specifications
Low Frequency Errors (% of reading) Frequency 10 Hz-20 Hz 20 Hz-40 Hz 40 Hz-100 Hz 100 Hz-200 Hz 200 Hz-1 kHz >1 kHz AC Filter Slow 0 0 0 0 0 0 Medium 0.74 0.22 0.06 0.01 0 0 Fast 0.73 0.22 0.18 0 1-2 2-3 3-4 4-5 0.05% 0.15% 0.30% 0.40% Crest Factor Errors (non-sinewave)* Crest Factor Error (% of reading)
*For frequencies below 100 Hz, slow ac filter specified for sinewave input only.
Noise Rejection: (For 1 k unbalance in LO lead.)
AC CMMR: 70 dB
True RMS AC Voltage:
Measurement method: AC-coupled True RMS -- measures the ac component of the input with up to 300 Vdc of bias on any range. (Max ac+dc = 300 V rms.) Crest factor: AC filter bandwidth: Maximum 5:1 at full scale Slow: Medium: Fast: Input impedance: Input protection: 3 Hz-300 kHz 20 Hz-300 kHz 200 Hz-300 kHz
1 M 2%, in parallel with 100 pF 300 Vrms all ranges
True RMS AC Current:
Measurement method: Direct couple to the fuse and shunt. ac -coupled True RMS measurement (measures the ac component only). Shunt resistor: Burden voltage: Input protection: 0.1 for 1 A and 3 A ranges 1 A range: 3 A range: <1 Vrms <2 Vrms
Externally accessible 3 A, 250 V fuse
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AC Specifications (continued)
AC Operating Characteristics:
Maximum reading rates 0.01% of ac step additional error. Additional settling delay required when input dc level varies.
Function ACV and ACI ACV and ACI ACV and ACI ACV and ACI ACV and ACI Digits 6.5 6.5 6.5 6.5 6.5 Reading/s 7 s/reading 1 1.61 10 502 AC Filter Slow Medium Fast Fast Fast
1 For External Trigger or remote operation using default settling delay (Delay Auto). 2 Maximum useful limit with default settling delays used.
Systems Speeds:
Maximum useful limit with default settling delays used; Speeds are for 4.5 digits, Delay 0, and Fast ac filter.
Function or range change: Autorange time: ASCII reading to GPIB: Max. internal trigger rate: Max. external trigger rate to memory: 5/s <0.8 s 50/s 50/s 50/s
Additional Low-Frequency Errors (% of reading):
Input >100 mV. For mV input, multiply % of reading error x 10.
Frequency 3 Hz-5 Hz 5 Hz-10 Hz 10 Hz-40 Hz 40 Hz-100 Hz 100 Hz-300 Hz 300 Hz-1 kHz >1 kHz 6.5 digits 0 0 0 0 0 0 0 5.5 digits 0.12 0.17 0.2 0.06 0.03 0.01 0 4.5 digits 0.12 0.17 0.2 0.21 0.21 0.07 0.02
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Frequency and Period Specifications
Frequency and Period Accuracy (% of reading):
Specifications are for 1-hour warm-up at 6.5 digits.
Function Range2 Frequency 24 Hour1 23C 1C Frequency, Period Frequency, Period Frequency, Period Frequency, Period 100 mV to 300 V 100 mV to 300 V 100 mV to 300 V 100 mV to 300 V 3 Hz-5 Hz 5 Hz-10 Hz 10 Hz-40 Hz 40 Hz-300 kHz 0.10 0.05 0.03 0.006 90 Day 23C 5C 0.10 0.05 0.03 0.01 1 Year 23C 5C 0.10 0.06 0.03 0.01 Temperature Coefficient 0C - 18C 28C - 55C 0.005 0.005 0.001 0.001
1 Relative to calibration standards. 2 20% overrange on all ranges, except 300 Vac range which has 1% overrange.
Measuring Characteristics:
Measurement method: Voltage ranges: Gate time: Settling considerations: Reciprocal-counting technique. AC-coupled input using the ac voltage measurement function. 100 mV rms full scale to 300 V rms. Auto or manual ranges. 10 ms, 100 ms, or 1 s Errors will occur when attempting to measure the frequency or period of an input following a dc offset voltage change. The input blocking RC time constant must be allowed to fully settle (up to 1 s) before the most accurate measurements are possible.
Measurement considerations: All frequency counters are susceptible to error when measuring low-voltage, low-frequency signals. Shielding inputs from external noise pickup is critical for minimizing measurement errors. Max. reading rate: 1K
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Frequency and Period Specifications (continued)
Operating Characteristics:
Speeds are for 4.5 digits, Delay 0, and Fast ac filter.
Function Frequency, Period Frequency, Period Frequency, Period Digits 6.5 5.5 4.5 Reading/s 1 9.8 80
Systems Speeds:
Configuration rates: Autorange time: Max. internal trigger rate: Max. external trigger rate to memory: 14/s <0.6 s 80/s 80/s
Characteristics:
Warmup time: State storage memory: 1 hour Power-off state automatically saved
Functions:
Idc:
Iac: Frequency: Period: 3A 3A 300 kHz 3.3 s
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General Specifications
Ordering Information
VXI Characteristics:
VXI device type: Message based A16 C 1 P1/2 n/a n/a
Module Current:
IPM
+5 V: +12 V: -12 V: +24 V: -24 V: -5.2 V: -2 V: 0.2 0.7 0 0 0 0 0
Description
IDM
0.1 0.06 0 0 0 0 0 6.5-Digit Multimeter, High Accuracy ANSI Z540 Compliant Calibration 3 year return to Agilent to 1 year OnSite warranty
Product No.
E1412A
Data transfer bus: Size: Slots: Connectors: Shared memory: VXI buses:
E1412A A6J
E1412A W01
Instrument Drivers:
See the Agilent Technologies Website
http://www.agilent.com/find/inst_drivers for driver availability and downloading.
Cooling Slot:
Watts/slot: P mm H2O: 9.40 0.05 0.80
Command module firmware: Command module firmware rev: I-SCPI Win 3.1: I-SCPI Series 700: C-SCPI LynxOS: C-SCPI Series 700: Panel Drivers: VXIplug&play Win Framework:
n/a n/a n/a n/a n/a n/a No Yes
Air Flow liter/s:
VXIplug&play Win95/NT Framework: Yes VXIplug&play HP-UX Framework: No
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Revised: October 24, 2007
Product specifications and descriptions in this document subject to change without notice. (c) Agilent Technologies, Inc. 2008 Printed in USA, January 31, 2008 5965-5563E
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