Fluke 789 ProcessMeter™ Process Multimeter
| Technical index | ||
| Current measurement | The range of | 0-1 A AC or DC |
| Resolution | 1 mA | |
| Accuracy | 0.2percent 2 LSD (DC) | |
| The range of | 0-30 mA | |
| Resolution | 0.001 mA | |
| Precision | 0.05% + 2 lSD | |
| Current output | The range of | 0-20 mA或4-20 mA—— |
| Resolution | The range of的 0.05% | |
| Driving ability | 24V compliance, or 1200Ω @ 20 mA | |
| Frequency | Up to 19.999 kHz,0.005percent 1 LSD | |
| Continuity | 电阻 <100 Ω 时蜂鸣器蜂鸣 | |
| Voltage measurement | The range of | 0-1000 V AC (true RMS) or DC |
| Resolution | 0.1 mV, 1.0 V—— | |
| Precision | 0.1% Rdg + 1 LSD (VDC) | |
| Resistance measurement | Up to 40 MΩ,0.2percent 1 LSD | |
| Diode test | 2.0V collector diode voltage drop | |
| 显示电流和The range of比例 ( %) | There is | |
| Automatic step, automatic slope | There is | |
| Environmental indicators | ||
| Operating temperature | -20°c - 55°c | |
| Storage temperature | -40°c - 60°c | |
| Humidity (no condensation) | Below 30 °C 95percent
Below 40 °C, 75percent Below 50 °C 45percent Below 55 °C 35percent |
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| Temperature coefficient | 0.05 x（规定Precision）/°C（当温度 <18 °C 或 > 28 °C 时） | |
| Safety specifications | ||
| Electrical safety | Its design complies with IEC 1010-1,ANSI/ISA S82.01-1994 and CAN/CSA C22.2 No 1010.11-92 | |
| Class of overvoltage | IEC 1010-1 CAT III 1000 V
IEC 1010-1 CAT IV 600 V |
|
| Maximum voltage | 1000 V 真There is效值 | |
| Mechanical and general specifications | ||
| Dimensions (height x width x length) | 50 x 100 x 203 mm (1.25 x 3.41 x 7.35 in) | |
| The weight of | 610 g（1.6 lbs） | |
| Battery | 4 节 AA 碱性Battery | |
| Warranty period | Three years | |
| Battery寿命 | 140 hours, Standard (measurement),10 hours, Standard (output 20 mA) | |
| Shock and vibration | Randomness,2 g,5-500 Hz
1 meter drop test |
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