Monroe 257D 手持式静电量测仪
Battery or line operation - AC power
module included
• Two ranges:
±2kV/m and ±20kV/m
• Remote probe
for easy monitoring of hard-to-reach
locations up to 1000 feet
• Chopper stabilizer
for accurate measurements in ionized
environments
• Recorder output
for unattended monitoring
• Unequaled accuracy, stability and
versatility
module included
• Two ranges:
±2kV/m and ±20kV/m
• Remote probe
for easy monitoring of hard-to-reach
locations up to 1000 feet
• Chopper stabilizer
for accurate measurements in ionized
environments
• Recorder output
for unattended monitoring
• Unequaled accuracy, stability and
versatility
型号 :
Monroe 257D
The model 257D is a portable, battery-operated fieldmeter for performing static surveys or for use as a diagnostic tool when troubleshooting problems caused by static buildup.
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Ranges: |
±2kV/cm and ±20kV/cm |
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Sensitivity: |
1 V/m and 10 V/m, respectively |
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Static accuracy: |
Better than 5% of reading |
|
Drift: |
<30 V/m/hour, non-cumulative after 30-minutes stablization, referred to input |
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Noise: |
<10 V/m rms, 0 - 200 Hz referred to input |
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Response speed: |
250 ms 10% to 90% (typical) |
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Analog output: |
± 10kV/m = ± 1.0V output (< 10 ohm impedance) |
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Batteries: |
Built-in, rechargeable, gel-type, 12V, 1.2AH, >8 hours with backlight on -charging system on-board, <6 hours recharging time |
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AC power adapter: |
Power adapter supplied: Input: 100 - 240 VAC/ 47 to 63 Hz/260mA |
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Dimensions: |
10.5”x6.5”x2.6” (26.7x16.2x6.7 cm) |
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Weight: |
2lbs., 6oz (1.1kg) w/batteries |
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Operating environment: |
25°C, ±10°C, 0-85% RH non-condensing, unaffected by ionized environment |
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Probe: |
1036F-5, 1.75” dia. x 1.25:H (4.4 x3.2cm) 8oz (0.2kg) with 10 ft. (3m) cable |
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Probe Options: |
Any of our Model 1036 probes will work with the Model 257D. A full range of probe sensitivities and different case styles are available. Please refer to our Model 1036 literature. Optional cable lengths up to 1000 ft for remote operation are available. |
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Probe operating environment: |
-30°C to 100°C, non-condensing |
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Accessories Included: |
Power supply, connecting cable, manual. |
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Industry approval: |
• Probe approved by Factory Mutual Research Corporation as intrinsically safe for use in Class I, Division 1, Groups C and D hazardous locations when used with approved IS barriers. |
- Two switch-selectable measurement ranges (2 kV/cm and 20 kV/cm)
- Recorder output to pass measurements to auxiliary instruments to display or record the data
- Intrinsically safe sensors are approved for use in hazardous locations when used with approved IS barriers
- Remote sensors can be located up to 1000 feet from the monitor
- Chopper-stabilized measurement technique is drift free, even in ionized environments
- An AC adaptor is provided to recharge the batteries and to operate the Model 257D during longer-term tests
