HT instruments FULLTEST3 - Manual (Page 79)

FULLTEST 3
EN - 78
14. TECHNICAL SPECIFICATIONS
14.1. MEASUREMENT FUNCTIONS
CONTINUITY OF PROTECTIVE CONDUCTOR (R PE-2WIRE, 0.2A )
Display range
( )
Resolution
(M )
Accuracy Overvoltage protection
0.00  19.99 0.01
± (3% rdg. + 3 dgt) CAT III 300 V
20.0  200.0 0.1
Standard test leads: 2 × 2 m, 2.5 mm 2
Open-circuit test voltage: Approx. 4.5 V AC (floating)
Short-circuit test current: < 0.6 A (standard test leads)
Test current: > 0.2 A (standard test leads and external resistance < 20 )
Display range of test current: 10  255 mA
Accuracy of displayed test current: ± (3% rdg. + 2 dgt)
Limit value: Adjustable 0.01  19.99, 20.0  200.0 
Measurement principle: Two-wire connection
Test lead calibration: Up to 5.00 
Protection against ext. voltage: Fuse F4 (T20A/500V, 6.3×32 mm), blown fuse automatically
detected in R PE measurement
Detection of external voltage Yes
-
U EXT lim = 3 V AC (between two R PE or between two
SENSE terminals before measurement)
-
U EXT lim = 10 V AC (between two R PE or between two
SENSE terminals during measurement)
-
U EXT lim = 30 V AC approx. (between any R PE /SENSE
terminal and GND before/during measurement)
CONTINUITY OF PROTECTIVE CONDUCTOR (R PE-2WIRE, 25A )
Display range
( )
Resolution
(M )
Accuracy Overvoltage protection
0.000  1.999 0.001
± (3% rdg. + 3 dgt) CAT III 300 V
2.00  20.00 0.01
Standard test leads: 2 × 2 m, 2.5 mm 2
Open-circuit test voltage: Approx. 4.5 V AC (floating)
Short-circuit test current: < 30 A (standard test leads)
Test current (25A range): > 25 A (standard test leads and external resistance < 0.1 )
> 10 A (standard test leads and external resistance < 0.5 )
Display range of test current: 0.2  30.0 A
Accuracy of displayed test current: ± (3% rdg. + 1 dgt)
Limit value: Adjustable 0.01  20.00  or
Calculation through loop impedance or
Calculation through wire length
Measurement principle: Two-wire connection
Test lead calibration: Up to 5.00 
Protection against ext. voltage between
current terminals (R
PE ): Fuse F4 (T20A/500V, 6.3×32 mm), blown fuse automatically
detected
Detection of external voltage Yes, see the limit values explanation above ( PROTECTIVE
CONDUCTOR (R PE-2WIRE, 0.2A ))