Sensors & Thermostats

Sensors & Thermostats

Precision environmental monitoring and control devices for optimal building performance.

Precision Environmental Monitoring

Tongfang sensors and thermostats provide accurate measurement and control of building environments, enabling energy-efficient HVAC operation and optimal indoor air quality.

High Accuracy

±0.3°C temperature accuracy and ±2% RH humidity accuracy for precise environmental control.

Wireless Options

Battery-powered wireless sensors with 5+ year battery life for flexible installation.

Sensor Product Range

Temperature

Temperature Sensors

RTD and thermistor-based sensors for precise temperature measurement in air, liquid, and surface applications.

Types
RTD (PT100/1000), NTC Thermistor
Accuracy
±0.3°C (RTD), ±0.5°C (Thermistor)
Range
-40°C to +120°C (-40°F to +248°F)
Outputs
4-20mA, 0-10V, Modbus, BACnet
Humidity

Humidity & Dew Point Sensors

Capacitive polymer sensors for accurate relative humidity measurement with temperature compensation.

Technology
Capacitive polymer sensing
Accuracy
±2% RH (20% to 80% RH)
Range
0% to 100% RH
Response Time
15 seconds (tau 63%)
Air Quality

CO₂ & Air Quality Sensors

NDIR-based CO₂ sensors with VOC and PM2.5 monitoring for indoor air quality management.

Technology
NDIR (Non-Dispersive Infrared)
Range
0-2000 ppm CO₂ (extendable to 5000 ppm)
Accuracy
±50 ppm + 3% of reading
Additional Sensors
VOC, PM2.5, formaldehyde
Control

Programmable Thermostats

Digital thermostats with scheduling, setback, and remote control capabilities for energy savings.

Display
Backlit LCD touchscreen
Control
7-day programmable, 4 periods/day
Connectivity
Wi-Fi, BACnet MS/TP, Modbus
Power
24V AC or battery (3-year life)

General Specifications

Communication Protocols
BACnet MS/TP, Modbus RTU, 0-10V, 4-20mA
Power Supply
24V AC/DC, PoE, or battery powered
Operating Temperature
-20°C to +60°C (-4°F to 140°F)
Enclosure Rating
IP54 (indoor), IP65 (outdoor versions)
Calibration
Factory calibrated, field adjustable
Warranty
3 years on electronics, 1 year on sensors
Certifications
CE, RoHS, UL 873, ISO 9001

Product Gallery

Quick Info

Product Line
TF-SENSOR Series
Sensor Types
Temperature, Humidity, CO₂, Pressure
Warranty
3 Years Extended Warranty
Lead Time
1-3 Weeks
Support
Calibration & Technical Support

Downloads & Documentation

Sensor Selection Guide

Complete Product Catalog

Download
Installation Guide

Mounting & Wiring Instructions

Download
Calibration Manual

Sensor Calibration Procedures

Download

Application Guide

Sensor Placement

Proper sensor placement is critical for accurate measurements. Follow our guidelines for optimal results.

  • Avoid direct sunlight
  • Keep away from heat sources
  • Ensure proper air circulation
  • Calibrate annually

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Need Sensors for Your Building?

Contact our team for a sensor selection and placement consultation for optimal building performance.

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