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Products > YO Refrigerant Monitor
YO Refrigerant Monitor
LoRaWAN
Enclosure type • IP67
Band • EU868, US915, AU915, AS923
Colors
light grey
Certificate CE
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Description

YO Refrigerant Monitor provides data on installation pressure. This information makes it possible to verify the correct functioning of the installation, as well as to prevent potential damage and the loss of materials and products that the installation maintains.

YO Refrigerant Monitor replaces the local pressure reading from an analogue sensor with a remote reading transmitted over LoRaWAN.

No pressure sensor is attached to the device. Recommended pressure sensor with measuring range 0-50 bar and connection type 7/16-20 UNF female (fits with 1/4 SAE Flare) or 1/2-20 UNF female (fits with 1/2 SAE Flare).

The device communicates wirelessly over LoRaWAN. We are a certified member of the LoRa Alliance, which is responsible for data transmission security.

Key features

  • Indicates a pressure drop caused by a coolant leak in the system where such a sensor is installed
  • Drastically reduces the need for pre-planned scheduled maintenance
  • The possibility of adapting the pressure transducer to suit the installation conditions
  • Battery-powered
  • Long battery life
  • IP67 protected enclosure
  • Supported LoRaWAN network type: private or public and connection over ABP or OTAA
  • ISM band selectable for regional needs (EU868, US915, AU915, and AS923)
  • Configuration via Bluetooth Low Energy 5.0
  • Firmware update over BLE
  • Command Line Interface application for convenient device configuration
  • Wide network coverage and relatively low energy consumption
  • High-quality product made in EU

Parameters

Tx Power: • LoRa EU868: to +14 [dBm]
• LoRa US915, AU915, AS923: to +22 [dBm]
• Bluetooth Low Energy (BLE): -20 to +6 [dBm]
Power: • 3 x AA battery (3 x 1,5 V)
Power consumption: • Maximum: 120 mA DC (4,5 V DC)
Input signal: Choose from:
• Digital I2C
Weight: • 326,5 g (without batteries)
• 400 g (with batteries)
Certificates: CE

Enclosure

Dimensions: • Height: 42 mm
• Width: 88 mm
• Depth: 64 mm
Colour: Light grey
Installation: Select between:
• Horizontal
• Vertical
Enclosure material: ABS
Level of protection: IP67
64 mm88 mm 42 mm

Sensors measuring range

Pressure:

Measuring range (optional):
  • 0–20 bar
  • 0–50 bar
  • 0–100 bar
Accuracy: ±0.5% (at temperatures from −20°C to 85°C (-4°F to 185°F))

Temperature (sensor):

Measuring range: −20°C to 70°C (-4°F to 158°F)

Temperature (internal):

Measuring range: −40°C to 125°C (-40°F to 257°F)
Accuracy: ±0.2°C (32.36°F) (at temperatures from 5°C to 60°C (41°F to 140°F))

Relative humidity (internal):

Measuring range: 0% to 100%
Accuracy: ±2% (at 20% RH to 80% RH)

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