Technical specifications – HT instruments FULLTEST3 User 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
))