39
% RH
1: Range of reference
2: Operating range
3: Storage range (without battery)
For an extended period of non‑use or storage, withdraw the batteries from the electronic unit.
The sensor by itself can withstand a maximum temperature of 90°C for 10 minutes.
Degree of pollution: 2.
Altitude: < 2000 m.
90
75
20
10
-40
18
28
35
50
55
°C
95
-10
-30 -20
40
10
30
20
0
60
80
70
50
40
30
0
60
80
70
100
3
2
1
The mean battery life is:
A110 single‑phase
300 h in continuous operation
1,800 10‑minute measurements
A130 three‑phase
500 h in continuous operation
3,000 10‑minute measurements
When the device is not connected to line power and the green
On
indicator goes off, the batteries must
be replaced (see § 4.2).
3.6.2. MAINS ADAPTER (OPTION)
The device can be powered by a standard mains adapter (5 V
dc
, 100 mA) with a type B micro‑USB
connector.
When the adapter is connected and the switch is set to
OFF
, the
On
indicator is lit steadily.
When the device is on, the brightness of the
On
indicator varies to indicate that the batteries are OK. If
the indicator remains on steadily, the batteries must be replaced.
3.7. ENVIRONMENTAL CONDITIONS
The device must be used in the following conditions:
