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Specification

ORN-TWM-LW868​

CategoryOptionValue
GeneralMethod of readingOptical
Operating temperature+5°C ... +85°C
Activation methodMagnet / Water flow
Archive depthup to 62 days
Tamper of removal from the meterYes
Tamper of magnetic fieldYes
Determine the direction of water flowYes
LoRaWANDevice classA
Number of LoRa channelsup to 16
Frequency range, MHz865–868 (KZ), 863–870 (RU/EU)
LoRaWAN activationOTAA
Antenna typeInternal
Receiver sensitivity-137 dBm
Transmit powerup to 25 mW
Data rate0.3 – 40 kbps
Urban rangeup to 5 km
Line-of-sight rangeup to 15 km
PowerBuilt-in battery2500 mAh
DC power supply3.6 V
Battery chemistryLi-SOCl²
Battery life≥ 7 years
Warranty36 months
Case specificationsHousing materialPolycarbonate
DimensionsØ65 х 35 mm
Weight≤ 0.04 kg
IP ratingIP65
Mounting optionsTo the water meter front panel