Technical Specifications; Technical Features - HT GEO416 Bedienungsanleitung

9. TECHNICAL SPECIFICATIONS

9.1. TECHNICAL FEATURES

Accuracy indicated as [%reading + (number dgts * resolution)] at 23 ± 5°C, <80%RH
3- and 2-wire earth resistance measurement - EARTH 3W and EARTH 2W
Measurement range (**)
Reading []
0.01  19.99
20.0  199.9
200  1999
2.00  19.99k
20.0  49.9k
Ground resistivity measurement -  (distance among the rods=1m)
Range (**)
Reading [m]
0.06  19.99
20.0  199.9
200  1999
2.00  19.99k
20.0  199.9k
200  314k
Measuring frequency: 77.5Hz; Test current:  12mA; Open loop voltage: < 25Vrms

 Disturbance voltage on ampere and volt circuits: the measurement is taken with the stated accuracy if the interfering
voltage is  3V, while for interfering voltages ranging from > 3V and  9V, the accuracy decreases progressively;
with an interfering voltage equal to 9V the instrument does not perform the test
(*) If R > 1200 + 100 R
P
test, the accuracy of the instrument is (10% reading) where:
R = resistance of the voltage circuit; R
P
(**) Automatic selection of the range
Interfering voltage measurement
Range (**)
Reading [V]
0  460
(**) Automatic selection of the range
Measure []
0.08  19.99
20.0  199.9
200  1999
2.00  19.99k
20.0  49.9k
Measure m]
0.50  19.99
20.0  199.9
200  1999
2.00  19.99k
20.0  199.9k
200  314k
and/or R > 1200 + 100 R
X C
= resistance of the current circuit; R
C
Measure [V]
7  460
Resolution []
0.01
0.1
1
0.01k
0.1k
Resolution [m]
0.01
0.1
1
0.01k
0.1k
1k
, R > 50k and/or R > 50k and the instrument carries out the
X P C
Resolution [V]
1
EN - 21
GEO416 - GEO416GS
Accuracy (*)
(2.5%rdg + 2dgt)
Accuracy (*)
(2.5%rdg+2dgt)
= measured earth resistance
E
Uncertainty
(2.0%rdg+2dgt)