C.A 6421 - Analogue earth tester
- earth resistance: 0.5 Ω to 1,000 Ω (log scale)
- 3 fault presence indicators to validate the measurement
- measurement frequency: 128Hz
- connection of stakes to colour-coded terminals
- removable captive connection strip between S and H for 2-wire resistance measurements
- protection by HRC fuse
- power supply: 8 x 1.5V batteries for average charge life of 1,800 measurements of 15 secs each (continuous control of battery charge)
- measurements as per IEC 61557, NF C 15-100, VDE 0413 and BS 7671
- electrical safety: IEC 61010 and IEC 61557
- dimensions: 238 x 136 x 150 mm; weight: 1.3 kg
