Measurement of the resistance of grounding elements, metal connections, continuity of protective conductors using a two-, three- or four-wire method.
Measurement of soil resistivity.
Measurement of AC voltage (noise).
Peculiarities:
- automatic selection of measurement ranges;
- shock-resistant, dust- and moisture-proof housing, degree of protection IP54;
- automatic switch to power-saving mode 2.5 minutes after the end of measurements;
- LCD display;
- indication of the state of the internal power supply;
- battery protection system from overcharging;
- protection against incorrect inclusion;
- high noise immunity;
- memory for 10,000 measurements;
- connection with a computer.
Specifications:
| 1. Earth resistance measurement | |||||
| Resistance measurement ranges | Permissible value of resistance in connection circuits, no more | Limits of permissible basic error of resistance measurements for the four-wire measurement method | |||
| current T1 - T2
| potential P1 - P2
| ||||
| 1 to 999 mΩ | 30 ohm | 40 kOhm | ± (0.03×R + 3 units) | ||
| 0.01 to 9.99 ohms | 1 kOhm | ||||
| 0.1 to 99.9 ohms | 10 kOhm | ||||
| from 1 to 999 ohm | 40 kOhm | ||||
| 1.00 to 9.99 kOhm | |||||
| Maximum interference voltage amplitude for resistances | up to 999 mΩ | no more than 12 V
| |||
| 1.00 ohm to 9.99 k ohm | no more than 24 V | ||||
| Measuring voltage and current | no more than 42 V and 250 mA, frequency 128 Hz | ||||
| 2. Measurement of the amplitude value of AC voltage 50 Hz | |||||
| Measurement range | from 1 to 300 V | ||||
| Limits of permissible basic absolute measurement error | ± (0.05×U + 3 units) | ||||
Additionally:
Power supply - Ni-MH battery 6 V, 2000 mAh or 5 AA batteries;
Operating temperature range - from -15 ºС to +50 ºС;
Degree of protection of the body - IP54;
Overvoltage category - CAT IV 300 V.
The company "Radio-Service" offers a wide range of electrical measuring instruments for route-finding equipment of various prices, used in various fields of activity. The good quality and affordable price of our products have allowed us to take a strong position in the Russian market.
The instruments we produce include:
- megaohmmeters;
- ground resistance meters;
- loop resistance meters;
- RCD parameters meters;
- voltammeters;
- route finders;
- marker detectors.
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