技术细节
| 直流电压范围 |
0 - 1000 V |
| 交流电压范围 |
0 - 700 V |
| 阻值范围 |
0 - 200 Ω |
| 基本准确度（直流电压） |
± 0.8% |
| 基本准确度（交流电压） |
± 1.2% |
| 基本精度（电阻） |
± 1.0% |
DVM52IT, AC 700V, DC 1000V, 200Ω
- professional measuring instrument with large LCD
- with data-hold function
- double rotary switch to select functions and ranges
- test button with lock function
- overload protection and low battery indication
insulation resistance:
- 200Mohm/250V:
- test voltage: DC 250V ± 10%
- measuring range: 0 - 200Mohm
- accuracy: ± 3.0%
- output voltage on open circuit: 250V ± 10%
- min. output voltage: 225V at 0.25Mohm
- test current (approx.): 1mA at 0.25Mohm
- output short circuit current: < 2.5mA
- 200Mohm/500V:
- test voltage: DC 500V ± 10%
- measuring range: 0 - 200Mohm
- accuracy: ± 3.0%
- output voltage on open circuit: 500V ± 10%
- min. output voltage: 450V at 0.5Mohm
- test current (approx.): 1mA at 0.5Mohm
- output short circuit current: < 2.5mA
- 200Mohm/1000V:
- test voltage: DC 1000V ± 10%
- measuring range: 0 - 2000Mohm
- accuracy: ± 0.5%
- output voltage on open circuit: 1000V ± 10%
- min. output voltage: 900V at 1Mohm
- test current (approx.): 1mA at 1Mohm
- output short circuit current: < 2.5mA
AC voltage: 700V
- basic accuracy: ± 1.2%
- input impedance: 10Mohm
- maximum input: 700Vrms
DC voltage: 1000V
- basic accuracy: ± 0.8%
- input impedance: 10Mohm
- maximum input: 1000V
resistance: 200 ohm
- basic accuracy: ± 1.0%
- overload protection: 250V
- continuity buzzer: yes
- display: 22mm LCD
- maximum display: 1999
- polarity / overrange indication: '-' / '1'
- with low-battery indication
- max. voltage between terminals and earth ground: 1000V DC or AC
- sampling time: approx. 0.4 second
- dimensions: 192 x 122 x 55mm
- weight: approx. 545g (with battery)
- operating conditions: 0°C to +40°C, < 85% RH
- power supply: 6 x 1.5V AA batteries (incl.)
