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Keysight/Agilent E1312A, 6.5 Digit Resolution, 2-Slot, B-Sized, Digital Multimeter
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Keysight/Agilent E1312A 6.5-Digit Digital Multimeter
The E1312A from Keysight (formerly from Agilent) is a high accuracy digital multimeter with 6.5 digit resolution designed specifically for industrial automation applications. It performs DC voltage measurements using a continuously integrating multi-slope III A/D converter architecture. The model achieves A/D linearity of 0.0002 % of reading plus 0.0001 % of range. The model provides selectable input resistance of 10 MΩ or greater than 10 GΩ on the 0.1 V through 10 V ranges. The 100 V and 300 V ranges maintain a fixed input resistance of 10 MΩ with a tolerance of ± 1 %. To reduce measurement errors in sensitive signal circuits, the input bias current is specified below 30 pA at 25 °C. To enable safe field use, the device guarantees 300 V input protection throughout all DC voltage measuring ranges.
A 0.1 Ω shunt resistor is used in the DC current measurement for the 1 A and 3 A measurement ranges. A 5 Ω shunt resistor is used to monitor low level current in the 10 mA and 100 mA ranges. An externally accessible 3.15 A, 250 V Class H fuse is used for DC current input protection. The DC CMRR performance is rated at 140 dB providing strong rejection of common mode interference. The integration times on the DMM range from 100 PLC at 1.67 seconds down to less than 1 PLC. The normal mode rejection reaches 60 dB at integration times of 1 PLC and above for clean measurements. The system performance supports function changes at 30 per second and range changes at 65 per second. Both internal and external trigger rates to memory reach 1000 per second with an autorange time below 30 ms.
The E1312A DMM uses AC coupled True RMS measurement that tolerates up to 300 Vdc of bias for AC voltage. The maximum allowable combined AC and DC input is 300 Vrms across all available measurement ranges. Three selectable filter bandwidths provide coverage from 3 Hz up to 300 kHz for various AC measurement speeds. The AC voltage input impedance is 1 MΩ ± 2 % in parallel with 100 pF supporting accurate high frequency voltage measurement.
| Part Number | E1312A |
|---|---|
| Manufacturer | Keysight |
| Legacy Manufacturer | Agilent |
| Part Type | Digital Multimeter |
| Resolution | 6.5 Digit |
| VXI Device Type | Message Based |
| Data Transfer Bus | A16 Slave |
| Size | B |
| Slots | 2 |
| Connectors | P1/P2 |
| Shared Memory | N/A |
| Pricing | Request a Quote Today |
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