General
Sensor Transceiver External antenna
Climatic
conditions
Sealed, water-tight design, IP67
(Battery compartment, IP 65)
Weather-proof, IP 54 Weather proof, IP54
Ambient
temperature
range
–50 °C to +60 °C
Operation: –40 °C to +60 °C
-10 °C to +50 °C -10 °C to +50 °C
Measuring
frequency
range
50 or 60 Hz
(software selectable)
N/A N/A
Short-circuit
capability
65 kA acc. to IEC 60099-4 N/A N/A
Primary power
supply
Built-in solar cell and field probe
Back-up 9 Volt lithium battery
U9VL (primary for indoor use)
9 Volt battery
Alkaline type
6LR61/PP3
N/A
Battery replace-
ment period
8 years with 1200 mAh
lithium battery
> 4 hours N/A
Weight (without
battery)
2072 g 221 g 420 g
System clock
The time-stamp for surge counting is only as accurate as the value stored in the sensor.
This value is “reset” each time contact is made with the transceiver, but in between mea-
surements can drift because of temperature dependence, as depicted in Figure 8.1.1.
Figure 8.1.1
Temperature dependent time deviation
8. Technical data
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