Wireless Temperature & Humidity Transmitter with Display | CTH900QV | Temp Assure

Wireless temperature and humidity transmitter with integrated LED display, providing on-site, glanceable visibility of parameters while maintaining long battery life. Integrates perfectly with the WNG100 gateway

Key Features

• Ambient temperature accuracy: ±0.2 °C (certifiable)
  • Humidity sensor accuracy: typically ±2–3 % RH
  • External Pt100 temperature input via 3-wire jack socket
  • External temperature range: –50 °C to +250 °C
  • High-efficiency 4-digit × 7-segment LED display
  • Display activated by push-button, illuminated for 3–5 seconds
  • Intelligent display sequencing to preserve battery life
  • Wireless range: 100–800 m open, 75–125 m indoors, 50–75 m in metal refrigerators
  • Bi-directional communication
  • 1–3 year battery life
  • Up to 1 year of onboard data buffering when offline
  • Compact, fridge-compatible enclosure

Technical Specifications

• Internal temperature range: –40 °C to +85 °C
  • External temperature range (Pt100): –50 °C to +250 °C
  • Humidity range: 0–95 % RH (non-condensing)
  • Resolution: 0.1 °C / 0.1 % RH
  • Display: high-efficiency LED, button-activated
  • Wireless: long-range, gateway-compatible
  • Power: internal lithium battery

Use Cases

• Freezers and cold rooms requiring visible temperature confirmation
  • Vaccine storage areas
  • Staff reassurance and spot-checking
  • Food storage and processing environments
  • Aged-care and healthcare facilities

The cTH900QV is a wireless temperature & humidity transmitter with display that gives customers  confidence in their on-site paramters

Learn more about temperature monitoring requirements in cold storage from Food Standards Australia New Zealand (FSANZ).