TEMPERATURE, HUMIDITY AND CO2 LOGGER (131A)
Designed to monitor room temperature, air humidity and carbon dioxide levels, to ensure optimal operating conditions and work environments.
-
Assist in ensuring optimal operating conditions in room environments
-
Battery powered
-
Built in antenna
-
Temperature & Humidity alarm threshold hysteresis
-
Temperature & Humidity Edge Intelligence (thresholds – warning, alarm)
- Available as a ‘data as a service’ offering
- Configurable measure and transmit interval
- Configurable transmit interval for each mode (standard, warning and alarm)
- Configured over the air from ISL LoRa™ USB dongle

KEY FEATURES
.png?width=60&height=60&name=battery%20(1).png)
LONG BATTERY LIFE
Our sensors have been designed to have a battery life of up to 10 years, so you don't have to worry about changing them frequently.
.png?width=60&height=60&name=bell%20(1).png)
PROACTIVE ALARM SYSTEM
Pro-active alerts ensure that your team can prevent any critical level breaches.

PROVEN PARTNER
Invisible Systems are trusted by clients in both the public and private sectors. You can rely on us to deliver an outstanding level of service.
.png?width=60&height=60&name=website%20(1).png)
PERSONALISED DASHBOARDS
Our online monitoring software, Realtime Online is set-up to meet the specific needs of your organisation.
.png?width=60&height=60&name=two-settings-cogwheels%20(3).png)
SIMPLE SET-UP
Our sensors are easy to set up and do not require integration with your existing IT infrastructure.

LOWER COSTS
Choosing wireless sensors and a cloud platform enables you to reduce your installation and maintenance costs.
ADDITIONAL INFORMATION
CONFIGURABLE THRESHOLDS
Configurable high/low thresholds allow different transmit intervals when thresholds are crossed providing advanced edge intelligence to the network, and enable alarms to be generated by Realtime-Online™.REAL-TIME MONITORING
LORA
The 131C transmitter connects to the cloud via Invisible Systems cellular LoRa™ gateways, providing low power, reliable communication and long battery life. Invisible Systems can provide their in-house built Realtime-Online™ cloud portal to make this an ideal low-cost end-to-end solution.
LORAWAN
The ISL131C is a LoRaWAN certified device and Invisible Systems are members of the LoRa alliance. It offers both ABP and OTAA activation options and is designed to work with all LoRaWAN gateways and network servers.
TECHNICAL DATA
COMMS |
Frequency/Band (LoRa): EU 868Mhz Other regions available on request Frequency/Band (LoRaWAN): EU863-870 Other regions available on request Expected range (line of sight): Up to 10km Power: LoRaWAN 25mW (14 dBm) LoRa: 100mW (20 dBm) |
APPROVALS |
Approvals: CE, FCC, IC, Other regions available on request FCC ID: Contains module VPYCMABZ ICID: Contains module 722C-CMABZ |
ENVIRONMENTAL |
Dimensions (mm): 84x84x33 Enclosure colour: White Enclosure plastic type: ABS Operating Temp Range: -20°C to +60°C Operating Humidity Range: 30% RH to 90% RH Battery: 1 x C-cell (8500 mAh) Batteries type: Lithium Thionyl Chloride (Non rechargeable) Expected battery life, 6 min Tx interval: Up to 4 years Expected battery life, 6 hour Tx interval: Up to 10 years Operating lifetime: Up to 10 years Power type: Battery 3.6VDC |
SENSOR FEATURES |
Measurement interval range: 30 secs - 60 mins Tx interval range (multiple of measure intervals): 1 min - 6 hours |
TEMPERATURE |
Measurement Range: -20°C to +60°C Accuracy:±0.2°C (typical) Resolution/Step-size: 0.1°C Drift: < 0.03 oC/yr Sensor characteristics: Digital Calibration: Optional |
HUMIDITY |
Measurement Range: 0RH to 100% RH Accuracy: ±2%RH Resolution/Step-size: 0.5%RH Drift: < 0.25% RH/yr Sensor characteristics: Digital Calibration: Optional |
CO2 |
Measurement Range: 0 - 5000ppm Accuracy ±(30ppm + 3% of reading) Resolution/Step-size 1ppm Calibration Optional Auto-calibration Optional ABC |