Operating Instructions

Micropilot FWR30 Electrical connection
Endress+Hauser 13
6 Electrical connection
6.1 Connecting the measuring device
6.1.1 Supply voltage
Replaceable battery, standard size, lithium (D), 3.6 V, 19 Ah (included in the delivery)
Designation in accordance with IEC: ER34615 (primary battery lithium thionyl chloride);
product recommendation: Tadiran SL-2880
The measuring device determines the battery charge state automatically. The LED
flashes red every 10 seconds if the battery charge state is low or critical.
Safety notice for the device battery
L
CAUTION
Risk of fire or burns if the device battery is handled incorrectly!
‣
Do not charge or open the battery, expose it to fire or heat it above 100 °C (212 °F).
‣
Only replace the battery with a ER34615 battery (lithium-thionyl chloride primary
battery, size D). The use of any other battery can present a fire or explosion hazard.
‣
Dispose of the used battery immediately as per national regulations.
‣
Keep used batteries out of the reach of children. Do not open used batteries or expose
them to fire.
Battery life
A
1)
B
2)
D
3) 4)
1 hour 24 hours > 15 years
6 hours 12 hours > 10 years
8 hours 8 hours > 8 years
1 hour 4 hours > 5 years
1 hour 1 hour 500 days
1 minute 1 hour 400 days
1 minute 15 minutes 140 days
1) Measuring interval
2) Transmission interval
3) Battery life approx.
4) Calculation only applies to TADIRAN SL-2880 battery at approx. +25 °C (+77 °F). A strong cellular radio
signal is required. The actual battery life can vary greatly and depends on a number of factors including the
network provider, temperature or humidity. High transmission rates reduce the battery life.