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7-1/2 Digit, 9ppm High Precision DC Voltmeter for Lithium-ion Batteries

The DM7276 Precision DC Voltmeter delivers superior measurement accuracy of 9 ppm (0.0009%), an accuracy level that is demanded by advanced applications such as aging tests of lithium-ion batteries. Other key features include contact check to maximize measurement reliability, binning and temperature compensation, making the voltmeter ideal for developing and manufacturing Li-ion batteries, electrical double-layer capacitors, electric vehicle components, and other next generation devices.


Key Features

  • High-accuracy model with 1-year 9ppm Accuracy: DM7276
  • Capacitance contact check (using built-in C-monitor)
  • Supports global production with built-in variable power supply
  • Built-in EXT I/O, LAN, and USB


Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)

DC Voltage 100 mV ( ±120.000 00 mV) to 1000 V ( ±1000.000 0 V ), 5 ranges
Basic accuracy 10 V range: ±0.0009% rdg. ±3 μV [DM7276]
Temperature -10.0°C to 60.0°C (14.0°F to 140°F), combined with sensor Z2001: ±0.5°C (5.0°C to 35°C)
Integration time Integration time unit: PLC/ms (PLC setting: 0.02/ 0.2/ 1/ 10/ 100, ms setting: 1 ms to 9999 ms)
Measurement support functions Smoothing function, null, temperature compensation, scaling, over-range display, auto-hold, contact check
Management support functions Comparator, BIN, absolute value judgment, label display, statistics, measurement information, communication monitor, EXT I/O TEST
Contact check Check signal: 10 mV rms, threshold value: 0.5 nF to 50 nF (Cannot use in the 100 V/1000 V ranges), Contact check integration time: 1 ms to 100 ms
Interfaces Standard: LAN (100BASE-TX), EXT I/O, USB flash drive / USB device (USB2.0 Full-Speed)
Select IF: GP-IB (-02 type only) / RS-232C (-03 type only) / PRINTER (-03 type only)
Power supply 100 to 240 V AC, 50/60 Hz, 30 VA
Dimensions and mass 215 mm (8.46 in) W × 88 mm (3.46 in) H × 232 mm (9.13 in) D
(-01 type): 2.3 kg (81.1 oz), (-02/-03 type): 2.4 kg (84.7 oz)
Accessories Instruction manual ×1, power cord ×1, application disk (CD-R) ×1
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Product Images (click to enlarge)