Monroe 291 电阻计
• Measures Both Resistivity and Resistance to Ground
• Ranges E3 Thru E12
• Easy to Use
• Battery Powered
• Pocket -sized Convenience
• CE Conformance
• Inexpensive, Reliable
• Exclusive Monroe Electronics Twoyear Warranty
The model 291 uses a parallel electrode configuration conforming to ASTM D-257. It also accepts external electrodes for point-to-point and resistance-to-ground measurements. A test lead is included for resistance-to-ground measurements. Model 291 is convenient and easy to use. Simply place the 291 directly on the item to be measured. An easy-to-read, color-coded LED decade display quickly and clearly indicates the resistivity or resistance range.
10 volts at 103 to 105
100 volts at 106 to 1012
Range:
103 to 1012 with LED’s for under-range and over-range
Accuracy:
±1/2 decade
Temperature:
0℃
Humidity:
10% to 75% RH
Applied Voltage:
Display Type:
Multi-colored LED’s (green-conductive, yellow-dissipative and red-insulative)
Electrodes:
Parallel bar type (jacks for external connections)
Battery Type:
9 volt, Eveready #522 or equivalent NEDA #1604A
Dimensions:
2.6 x 5 x 1.2 inches (6.5 x 13 x 3 cm)
Weight:
8.4 oz (235 gm) including battery
- Survey tool
- 10V and 100V test voltages
- Portability and rugged construction ideal for manufacturing environment
