About Hand Driven Generator Type Analogue Earth Tester
EARTH TESTER ANALOGUE HAND DRIVEN GENERATOR TYPE
3 TERMINALS & 4 TERMINALS
SCALE LENGTH: 80 MM (APPROX.)
ACCURACY: + 5% (AS PER IS : 9223 / 1979)
GENERATOR ROTATION SPEED: 160 R.P.M.
DIMENSION (IN MM) : 110X128X190 (APPROX.)
TYPES : AVAILABLE IN THREE TERMINALS (FOR MEASUREMENT OF EARTH RESISTANCE & FOUR TERMINALS (FOR MEASUREMENT OF EARTH RESISTANCE & SOIL RESISTIVITY BOTH).
RANGES : i) AVAILABLE IN SINGLE RANGE FROM 0-1 OHM TO 10000 OHMS ( ANY ONE RANGE)
ii) ALSO AVAILABLE IN MULTIRANGE PROVIDED WITH RANGE SELECTOR SWITCH TO BE CHOOSEN FROM ( 0-1 OHMS TO 10000 OHMS)
Reliable Earth Resistance MeasurementThis earth tester enables accurate measurement of ground resistance for electrical installations, supporting a broad range of applications. Its multi-range selection and analogue display ensure precision, while the hand-driven generator allows operation even in remote or power-constrained locations.
No Batteries Required - Hand-Powered OperationWith a manual generator, this device operates independently of batteries or mains power. This feature enhances flexibility and is ideal for outdoor and field conditions, ensuring continuous performance wherever reliable earth testing is needed.
Comprehensive Accessories and Easy PortabilitySupplied with four test leads, four metal electrodes, a durable carrying case, and an instruction manual, the tester is ready for immediate deployment. Its compact construction and shockproof design make it suitable for frequent transportation and use in demanding environments.
FAQs of Hand Driven Generator Type Analogue Earth Tester:
Q: How does the hand driven generator power the earth tester?
A: The earth tester uses a built-in hand-cranked generator to supply the required 500V DC test voltage. Turning the handle generates the necessary energy, enabling operation without external power sources or batteries.
Q: What is the process for measuring earth resistance with this device?
A: To measure earth resistance, connect the included test leads and electrodes to the ground and the instrument, then cranking the handle to initiate the test. Resistance is displayed on the analogue needle meter across selectable ranges of 0-10, 0-100, or 0-1000.
Q: Where can this earth tester be effectively used?
A: This portable tester is suited for both field and laboratory use. Its rugged insulated housing and resistance to dust and shock make it ideal for site surveys, electrical installations, and challenging outdoor environments.
Q: What are the main benefits of using a hand-driven generator type tester over battery-powered models?
A: This testers hand-driven mechanism ensures uninterrupted operation in areas without electricity or battery supply, increasing reliability for remote field work and reducing long-term maintenance costs.
Q: When is calibration required for this earth tester?
A: The instrument is factory calibrated and delivered with a calibration certificate. Periodic recalibration may be necessary based on regulatory standards or frequency of use to ensure measurement accuracy.
Q: Is the device safe to use under high humidity or challenging environmental conditions?
A: Yes, the earth tester is designed to function reliably in up to 90% relative humidity (non-condensing) and features robust insulation and protective housing for safety and durability.