HT instruments MACROTEST G3 - Manual (Page 86)

MACROTESTG3 - COMBIG3
EN - 85
Contact voltage (measured during RCD and Ra test)
Range [V] Resolution [V] Accuracy
0

Ut LIM 0.1 -0%, +(5.0

rdg + 3V)
Contact voltage (EARTH test – TT systems)
Range [V] Resolution [V] Accuracy
0  99.9 0.1 -0%, +(5.0  lettura + 3V)
Contact voltage (EARTH test – TN systems)
Range [V] Resolution [V] Accuracy
0  99.9 0.1 -0%, +(5.0  rdg + 3V)
100  999 1 -0%, +(5.0  rdg + 3V)
Earth resistance (MACROTESTG3 / COMBIG3 enabled)
Range [  ] Resolution [  ] Accuracy (*)
0.01  9.99 0.01
 (5% reading + 3 digits)
10.0  99.9 0.1
100  999 1
1.00k  49.99k 0.01k
Test current: <10mA, 77.5Hz; Open-circuit voltage: <20Vrms
(*) If 100*Rmeas < (Rs or Rh) < 1000* Rmeas, add 5% to te accuracy. Accuracy not declared if (Rs or Rh) > 1000* Rmis
Ground resistivity (MACROTESTG3 / COMBIG3 enabled)
Range [

M] Resolution [

m] Accuracy (*)
0.06  9.99 0.01

(5% reading + 3 digits)
10.0  99.9 0.1
100  999 1
1.00k  9.99k 0.01k
10.0k  99.9k 0.1k
100k  999k 1k
1.00M  3.14M 0.01M
(*) with distance between the probes d= 10m; Distance range: 1

10m
Test current: <10mA, 77.5Hz; Open-circuit voltage: <20Vrms
Phase rotation with 1 test lead
Voltage range P-N, P-PE[V] Frequency range
100  265 50Hz/60Hz  5%
Measurement is only carried out by direct contact with metal live parts (not on insulation sheath).
Voltage drop
Range [%] Resolution [%] Accuracy
0  100 0.1 (10%rdg + 4dgt)
Leakage current (input In1 – STD clamp)
Range [mA] Resolution [mA] Accuracy
2

999 1 
(5.0%rdg + 2digits)
Environmental parameters
Measurement Range Resolution Accuracy
°C -20.0

60.0°C 0.1°C

(2%rdg + 2digits)
°F -4.0  140.0°F 0.1°F
RH% 0.0%  100.0%RH 0.1%RH
DC voltage 0.1mV

1.0V 0.1mV
Lux
0.001  20.00lux (*) 0.001  0.02Lux
0.1  2.0klux (*) 0.1  2Lux
1

20.0klux (*) 1

20Lux
(*) Accuracy of the luxmetric probe according to Class AA