Mô tả sản phẩm: Fluke 789 ProcessMeter
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Current Measurement
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Range: | 0-1 A AC or DC |
| Resolution: | 1 mA | |
| Accuracy: | 0.2% + 2 LSD (DC) | |
| Range: | 0-30 mA | |
| Resolution: | 0.001 mA | |
| Accuracy: | 0.05% + 2 LSD | |
| Current Sourcing | Range: | 0-20 mA or 4-20 mA |
| Resolution: | 0.05% of span | |
| Drive Capability: | 24 V Compliance or 1200 Ω @ 20 mA | |
| Frequency | to 19.999 kHz, 0.005% + 1 LSD | |
| Continuity | Beeps for resistance < 100 Ω | |
| Voltage measurement | Range: | 0-1000 V AC (true-rms) or DC |
| Resolution: | 0.1 mV to 1.0 V | |
| Accuracy: | 0.1% Rdg + 1 LSD (VDC) | |
| Resistance measurement | to 40 MΩ, 0.2% + 1 LSD | |
| Diode test | 2.0 V shows diode voltage drop | |
| Display current and % of span | Yes | |
| Auto step, auto ramp | Yes | |
| Environmental Specifications | ||
| Operating Temperature | -20 ºC to 55 ºC | |
| Storage Temperature | -40 ºC to 60 ºC | |
| Humidity (Without Condensation) | 95% up to 30 ºC | |
| 75% up to 40 ºC | ||
| 45% up to 50 ºC | ||
| 35% up to 55 ºC | ||
| Temperature Coefficient | 0.05 x (specified accuracy) per ºC (for temperatures < 18 ºC or > 28 ºC) | |
| Safety Specifications | ||
| Electrical Safety | Designed in accordance with IEC 1010-1, ANSI/ISA S82.01-1994 and CAN/CSA C22.2 No. 1010.1-92 | |
| Overvoltage category | IEC 1010-1 CAT III 1000 V | |
| IEC 1010-1 CAT IV 600 V | ||
| Maximum voltage | 1000 V rms | |
| Mechanical & General Specifications | ||
| Size | 50 x 100 x 203 mm (1.25" H x 3.41"W x 7.35" L) | |
| Weight | 610 g (1.6 lbs) | |
| Batteries | 4 AA Alkaline batteries | |
| Warranty | 3 years | |
| Battery Life | 140 hours typical (measurement), 10 hours typical (sourcing 20 mA) | |
| Shock & Vibration | Random, 2 g, 5-500 Hz | |
| 1 meter drop test | ||
