Daisy Chained CO2, VOC & Temperature Sensor
for detecting Li-ion gas venting

Daisy Chain CO2-VOC-TEMP sensor

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key sensor features
Plug & play daisy chain sensor designed for detecting off-gas and temperature events from Li-Ion batteries.

no pc required for the ServersCheck to operate once configured - detects CO2 between 0-40,000ppm with a ±40ppm accuracy
- measures VOC levels between a 0-500 VOC index
- measures temperatures -10C to +60C
- a resolution of 0.1°C
- with a ±0.8% accuracy from 15°C-35°.
- only 1 IP address required for every 16* sensors.
- more than 100m/330ft with optional DAISY-BOOSTER.

- compact plug & play sensor.
- designed for indoor use.
- steel enclosure.
- industrial grade.
- 0u rack, DIN rail, magnetic or wall mountable sensor.
- plugs into the base unit.
- powered by the base unit.
- alerts via SNMP Traps, email or SMS.
- wired or optionally wireless.
- integrates via Modbus TCP, SNMP, JSON or optional MQTT.
- integrates over RS-485 using Modbus RTU. Requires optional add-on.
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Designed for battery racks & cabinets
With this unique daisy chained sensors, Lithium Ion battery energy storage systems such as UPS can be monitored 24x7 to detect gas venting events.

Using just one base unit and one IP address, up to 16 daisy co2, voc and temperature sensors can be deployed inside your UPS batteries or other BESS systems.
Daisy chained sensors to monitor batteries
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How It works.
Illustration showing the operation of the InfraSensing daisy chained temperature sensor


The DAISY-STARTER sensor connects to the the base unit. Up to 16 additional DAISY-CO2-VOC-TEMP sensors can be connected to the DAISY-STARTER using simple RJ45 cables. This makes the device an ethernet based co2, voc and temperature sensor to detect gas venting issues from Lithium Ion batteries. Integrates with BMS platforms using the Modbus TCP protocol. Or with NMS systems through SNMP GET and SNMP TRAPS.