| Technical Data |
| Display |
4-digit (2999), 7-segmentliquid crystal display, 18 mm high, with fluorescent and active illumination (GEO X) |
| Working temperature |
-10° C ... + 50° C |
| Operating temperature |
0° C ... + 35° C |
| Reference temperature |
+18° C ... +28° C |
| Storage temperature |
-30° C ...+60° C |
| Operating error |
refers to operating temperature range |
| Intrinsic error |
refers to reference temperature range |
| Climatic class |
JWG as per DIN 40040 |
| Protective type |
IP 56 as per DIN 40050 |
| Operating altitude |
max. 2000 m |
| Safety |
Safety class II ( ) as per IEC/EN 61010-1 |
| Max. noise voltage |
24 V, thereon measurements are locked |
| Power supply |
6 x 1.5 V alkali-mangan batteries (IEC LR 6) or 1.5 V zink-carbon-batteries (IEC R 6) or 1,2 V accus |
| Dimensions |
240 x 180 x 110 mm (L x W x H) |
| Weight |
approx. 1.5 kg incl. batteries approx. 5.9 kg incl. 4 pcs. batteries and accessories in carrying case |
| Warranty |
2 years |
| Calibration interval |
3 years, recomended |
| Noise voltage (DC + AC) (UST) |
| Measuring method |
mean value rectification |
| Measuring rate |
approx. 4 measurements/s |
| Internal resistance |
approx. 1.5 MΩ |
| Max. overload |
Ueff = 250 V |
| Interference frequency (FST) |
| Measuring method |
measurement of period of noise voltage |
| Earthing resistance RA (RE) as per IEC 61557-5 |
| Measuring method |
Current and voltage measurement with probe |
| Measuring voltage |
20/48 V AC - switchable |
| Short circuit current |
250 mA |
| Measuring frequency |
94/105/111/128 Hz manual or autom. (AFC) switchable, 55 Hz for R* |
| Max. overload |
Ueff = 250 V |
| Measuring time |
typ. 8 sec. with fixed frequency chosen max. 30 sec. with autom. frequency selection |
| Max. probe resistance |
<1 MΩ |
| Max. auxiliary earth res. |
<1 MΩ
>Display shows warning RS resp. RH, if ratio RH/RE is too high |
| Max. noise voltage |
24 V, above no measurement is started |
| Noise voltage suppr. |
120dB (162/3 , 50, 60, 400 Hz) |
| Selective earthing resistance (RA ) with supplementary current transformer |
| Transformer ratio |
80...1200 : 1,(adjustable) |
| Minimal current in single branch to be measured |
0,5 mA with transformer 1000:1
0,05 mA with transformer 100:1 |
| Intrinsic error |
operating error (RA) + error (clamp) |
| Resistance (R ... ) as per IEC 61557-4 |
| Measuring method |
current and voltage measurements 2-pole and 4-pole method possible |
| Open-circuit voltage |
20 V DC |
| Short circuit voltage |
250 mA DC |
| Measuring time |
approx. 4 sec. with reversing of polarity |
| Max. noise voltage |
<3 V AC/DC, above no measurement started |
| Max. inductivity |
2 Henry |
| Max. overload |
Ueff = 250 V |
| Resistance (R~) |
| Measuring method |
2-pole current and voltage measurement |
| Measuring voltage |
20 V AC |
| Short circuit current |
250 mA AC |
| Measuring frequency |
94/105/111/128 man./autom. (AFC) switchable |
| Measuring time |
typ. 6 sec. |
| Max. noise voltage |
24 V, above no measurement will be started |
| Max. overload |
Ueff = 250 V |
;)
