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PRECISION DC VOLTMETER

DM7275

7-1/2 Digit DC Voltmeter for R&D to Production Lines

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. 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



Model No. (Order Code)

DM7275-01
DM7275-02 Built-in GP-IB
DM7275-03 Built-in RS-232C

Note: Measurement probes are not included. Purchase the probes appropriate for your application separately

Guarantee3years
LAN
GPIB
-02 model
RS232C
-03 model
USB2
CE

DM7275 Precision DC Voltmeter Introductory Video


Fully-Automatic Self-Calibration and Highly-Stable Voltage Reference

Internal voltage reference represents screened components that have passed Hioki's special in-house tests and undergone long-term evaluation before being embedded in the system. Combining this with HIOKI’s original fully automatic “Self-calibration” technology, we are able to offer a 1-year guaranteed 20ppm accuracy.


Measurement performance resistant to temperature changes and at high repeatability

The DM7275 is equipped with a measurement engine resistant to extreme temperature changes even outside product specifications


Simultaneous Temperature Measurement + Display Converted Voltage in Standard Temperature

The open circuit voltage (OCV) for lithium-ion batteries can fluctuate by several dozen μV if the ambient temperature fluctuates by even 1°C (1.8°F). For components with this kind of temperature characteristic, you can use the temperature compensation function to display a value converted into a standard temperature voltage from the registered temperature coefficient. This is a new approach made possible by the DC voltmeter DM Series, which can measure both temperature and voltage simultaneously.


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

DC Voltage100 mV ( ±120.000 00 mV) to 1000 V ( ±1000.000 0 V ), 5 ranges
Basic accuracy10 V range: ±0.0020% rdg. ±12 μV
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 timeIntegration time unit: PLC/ms (PLC setting: 0.02/ 0.2/ 1/ 10/ 100, ms setting: 1 ms to 9999 ms)
Measurement support functionsSmoothing function, null, temperature compensation, scaling, over-range display, self-calibration, auto-hold, contact check
Management support functionsComparator, BIN, absolute value judgment, label display, statistics, measurement information, communication monitor, EXT. I/O TEST
Contact checkCheck 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
InterfacesStandard: LAN (100BASE-TX), EXT. I/O, USB flash drive / USB device (USB2.0 Full-Speed)
Optional: GP-IB (-02 type only) / RS-232C (-03 type only) / PRINTER (-03 type only)
Power supply100 to 240 V AC, 50/60 Hz, 30 VA
Dimensions and mass215 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)
AccessoriesInstruction manual ×1, power cord ×1, application disk (CD-R) ×1

Log into your myHioki account to access more technical documents and information where available.

Seminar Videos On Demand

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Seminar Schedule

Registration Open

SPS - Nuremburg, Germany

Nov 25, 2019 - Nov 28, 2019

Catalogs

Catalog: PRECISION DC VOLTMETER DM7275, DM7276 Download PDF  [3MB] English

User Guides

Effect of the measurement target output resistance and voltmeter input resistance on measured values Download PDF  [711KB] English
Measurement of the package potential of laminated lithium-ion batteries Download PDF  [587KB] English

Manuals

If you can not download, log into your myHioki account to access more technical documents and information where available.


Communication Command Instruction Manual English
Ver.00
Instruction Manual English
Ver.01
Instruction Manual Simplified Chinese
Ver.01
Instruction Manual Korean
Ver.01

Outline Drawings

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Ver.01

Ver.01

Ver.01

Technical Notes

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Others

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Options

Test leads A

Options for the L9207-10

SMALL ALLIGATOR CLIP SET L4934

Attaches to the tip of the L4932, L9207-10/DT4911, L9206, CAT III 300V, CAT II 600V

CONTACT PIN SET L4933

Attaches to the tip of the Test Lead L9207-10/DT4911, L9206, 60V DC/ 30V AC

TEST LEAD L9207-10

90 cm (2.95 ft) length

Test leads B

Options for the L4930, Test Pin Set L4932 is required when using the Small Alligator Clip Set L4934.

GRABBER CLIP 9243

Attaches to the tip of the banana plug cable, Red/ Black: 1 each, 196 mm (7.72 in) length, CAT III 1000 V

EXTENSION CABLE SET L4931

Expands the length of L4930/4940, 1.5 m (4.92 ft) length

SMALL ALLIGATOR CLIP SET L4934

Attaches to the tip of the L4932, L9207-10/DT4911, L9206, CAT III 300V, CAT II 600V

BUS BAR CLIP SET L4936

Attaches to the tip of the L4930/4940, CAT III 600V

TEST PIN SET L4932

Attaches to the tip of the L4930/4940, CAT IV 600V, CAT III 1000V

CONNECTION CABLE SET L4930

1.2 m (3.94 ft) length, for base of various attachments

ALLIGATOR CLIP SET L4935

Attaches to the tip of the L4930/4940, CAT IV 600V, CAT III 1000V

Temperature measurement

TEMPERATURE SENSOR Z2001

1.75 m (5.74 ft) length

Printer options

RECORDING PAPER 1196

For the Printer 9442, 112 mm (4.41 in) × 25 m (82.03 ft), 10 rolls/set

CONNECTION CABLE 9444

9 pin - 9 pin straight, 1.5 m (4.92 ft) length

PRINTER 9442

For printing numerical values 112 mm (4.41 in) paper width, not CE marked

AC ADAPTER 9443-02

For the Printer 9442, EU type

PC communication

RS-232C CABLE 9637

9 pin - 9 pin, cross, 1.8 m (5.91 ft) length

GP-IB CONNECTOR CABLE 9151-02

2 m (6.56 ft) length

LAN CABLE 9642

Straight Ethernet cable, supplied with straight to cross conversion adapter, 5 m (16.41 ft) length

USB CABLE (A-B) L1002

1m

Applications

Gallery

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