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Low power Sleep mode support
Built in rechargeable Batteries /Primary battery to support 3 [or 5] years operation[Note 1]
Battery life depends on logging/upload settings.
Battery Low voltage alert
Data Logging Interval – 15 Minutes
Data Upload – Once a day (configurable)[Note 1]
Internal storage – up to 8000 records

RDL-904B remote monitoring solution is a rugged hardware platform, battery powered, meant for logging data from very low power built-in pressure transmitter and pulse from flow meters. The solution is ideal for monitoring pressure and flow along water pipes where power is not available . The solution includes a controller , battery and GSM/GPRS modem. Data is sent to centrally located server through GSM at programmed frequency through CSV format.


No external power source needed.
Low power data logging
Programmable logging interval.
One time update of multiple records.
Flow measurement through Pulses.
Pressure measurement telemetry.
Uploading through SMS.
Logging of Min/Max/Average values.
Supports built-in low-power pressure transmitter.
Built-in GSM/GPRS modem.
Supports SMS mode of transfer
Supports SMS mode of transfer.
Compact, easy to install solution.
Display activation through key


Pressure measurement range: 0 to 10 kg per square cm. (Honeywell)
Alarm messages/summary.
Data upload through SMS.
IP66/IP68 enclosure
External Antenna
Pressure transmitter Accuracy ± 0.25 %
Dimension (in mm) 220 X 120 X 82
Weight – Approximate – 3 KG
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