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7-1/2 Digit, 20ppm High Precision DC Voltmeter for Lithium-ion Batteries




The DM7275 Precision DC Voltmeter delivers superior measurement accuracy of 20 ppm (0.002%), 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. PRECISION DC VOLTMETER DM7275

DM7275-02 with GP-IB interface
DM7275-03 with RS-232C interface

Probes are not included. Purchase the probes appropriate for your application separately.

GPIB-02 modelRS232C-03 modelUSB2CE

Key Features

• Basic model with 1-year 20ppm Accuracy: DM7275

• 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: ±0.0020% rdg. ±3 μV [DM7275]




-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, self-calibration, 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




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)




Instruction manual ×1, power cord ×1, application disk (CD-R) ×1


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Contact ACA TMetrix Inc.


3585 Laird Road, Unit 15 & 16, Mississauga ON L5L 5Z8

Phone: 1-800-665-7301

Fax: 1-905-890-1959

Email: info@tmetrix.com

About ACA TMetrix Inc.

ACA TMetrix Inc. is a leading supplier of test instruments and design tools in Canada. For over 50 years we have provided services and support for products that are manufactured by the world's leading instrument suppliers.

TMetrix Ltd. is Part of the ACA Group of Companies. Allan Crawford Associates (ACA), is one of Canada's largest distributors of electronic components, test equipment, and scientific solutions.

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