HIOKI DM7275, DM7276 7½Digit High-Precision DC Voltmeters
Benefits of the DM727x Voltmeters for R&D, Industry and Production Lines
- 7½ digit, 9 ppm DC voltmeter for R&D to production lines.
- Outstanding long-term stability and temperature characteristics.
- Fully-automatic self-calibration and highly-stable voltage reference.
HIOKI DM7275, DM7276 7½ Digit High-Precision DC Voltmeters
The HIOKI DM7275 and DM7276 are 7½ digit high-precision DC voltmeters with outstanding long-term stability, temperature characteristics, and 1-year accuracy of 9 ppm (DM7276) or 20 ppm (DM7275) in the 10-V range. The noise performance of the devices is approaching that of an an 8½ digit DMM and their noise immunity is very high thanks to a floating design. With all these featuzres, they are the ideal choice for used in advanced applications such as aging tests, transient characteristics monitoring, external potential measurement for lithium-ion batteries and more.
- 7½ digit DC voltmeter for R&D to production lines.
- 1-year accuracy of 9 ppm (DM7276) or 20 ppm (DM7275) in the 10-V range.
- Outstanding long-term stability and temperature characteristics.
- Fully-automatic self-calibration and highly-stable voltage reference.
- Additional temperature measurement with optional thermistor sensor Z2001.
- PC communication interfaces LAN and USB host and device standard, versions with additional GPIB or RS232C.
- 5000 data points of internal memory.
- 4.3"/10.9 cm TFT color LCD resistive touch panel.
Model Overview
| Model | DM7275 | DM7276 |
| Type | Precision DC voltmeter (DC V only) | |
| Measurement parameters | DC voltage (ΣΔ conversion method), temperature (when using the optional Z2001 thermistor sensor); measure DC voltage and temperature simultaneously | |
| Resolution | 7½ digit | |
| Range, resolution, accuracy | 100 mV / 10 nV / ±0.0030% rdg. ±2 µV 1000 mV / 100 nV /±0.0020% rdg. ±3 µV 10 V / 1 µV ±0.0020% rdg. ±12 µV 100 V / 10 µV / ±0.0030% rdg. ±0.8 mV 1000 V / 100 µV / ±0.0035% rdg. ±2 mV | 100 mV / 10 nV / ±0.0015% rdg. ±2 µV 1000 mV / 100 nV / ±0.0011% rdg. ±3 µV 10 V / 1 µV / ±0.0009% rdg. ±12 µV 100 V / 10 µV / ±0.0020% rdg. ±0.8 mV 1000 V / 100 µV / ±0.0025% rdg. ±2 mV |
| 1-year accuracy | 20 ppm | 9 ppm |
| Integration time | Integration time unit: PLC/ms (PLC setting: 0.02/0.2/1/10/100, ms setting: 1... 9999 ms) | |
| Temperature measurement | Using the optional temperature sensor Z2001 range: -10.0...6+0.0°C accuracy: ±0.5°C (+5.0...+35°C)/±0.7°C (-10...+50°C, excluding the previous range)/±0.9°C (50.1...60.0°C) measurement time: 200 ms ±20 ms | |
| Internal memory | 5000 data points (voltage, temperature, elapsed time), 30 panel data points | |
| Display | 4.3"/10.9 cm TFT color LCD resistive touch panel | |
| Interfaces | Built-in EXT I/O (37-pin D-sub female), LAN (10Base-T/100Base-TX automatic detection), USB host and device 2.0 full-speed (standard model -01); additional GPIB (version -02) or additional RS232C (up to 38,400 bps, version -03), printer 9442 connection (version -03) | |
| Dimensions (mm) | 215 x 88 x 232; versions -01 2.3 kg, versions -02/-03 2.4 kg | |
| Model variants | DM7275-01 (standard model) DM7275-02 (built-in GPIB) DM7275-03 (built-in RS232C) | DM7276-01 (standard model) DM7276-02 (built-in GPIB) DM7276-03 (built-in RS232C) |
Included: DC voltemter DM 7275 or 7276 (one of the versions), instruction manual, power cord, application disk (CD-R).
