Telaire T9501 Humidity & Temperature Sensor
Product Description
Telaire T9501 Humidity & Temperature Sensor provides cost-effective humidity and temperature sensing via MODBUS communication protocol for virtually any type of application. Designed to withstand challenging environments, the IP67 rated transmitter utilizes an individually calibrated and tested ChipCap 2 sensor and is ready to integrate into control/monitoring systems without further calibration or temperature compensation.
Applications
- Air Conditioning
- Refrigeration
- Indoor Air Quality
- Vent Fans
- Home Appliances
- Humi/Dehumidifiers
- Marine Environments
Process Control & Instrumentation:
- Agriculture and Indoor Growing
- Medical Instruments
- Handheld Devices
- Weather Stations
- Food Processing
Features
- Fully calibrated and temperature compensated
- Water resistant (IP 67)
- Digital RS485 Modbus communication
- Precision and accuracy (±2% RH at 20% to 80%, ±0.5°C Temperature, 14 bit resolution)
- Low current consumption
- Reliable in harsh environments
- “Heater Mode” capability for condensation recovery
Technical Specifications
Relative Humidity (RH%)
| Resolution | 14 bit (0.01% RH) |
| Accuracy1 | ±2.0% RH (20~80% RH) |
| ±3.5% RH (0% to 20%) and (80% to 100%) | |
| Repeatability | ±0.2% RH |
| Hysteresis | ±1.0% RH |
| Linearity | <2.0% RH |
| Response Time2 | ≤ 100 sec (63%) |
| Temp Coefficient | 0.13% RH/°C |
| (at 10~60°C, 10~90% RH) | |
| Operating | 0 ~ 95% RH |
| Long Term Drift | <0.5% RH/year (normal conditions) |
- Accuracies measured at 25°C, nominal voltage.
- 30% RH step response, measured at 25°C in a 1 m/sec air flow.
Temperature (°C)
| Resolution | 14 bit (0.01°C) |
| Accuracy1 | ±0.5°C |
| Repeatability | ±0.1°C |
| Response Time2 | ≤600 sec ( Ƭ 63%) |
| Operating Range3 | -20°C to 70°C |
| Long Term Drift | <0.05°C/year (normal conditions) |
- Accuracies measured at 25°C, nominal voltage.
- 25°C step response in a 1 m/sec air flow.
- Minimum design range, documented testing 0°C to 50°C
Hardware & Enviromental Specifications
| Method | Capacitive polymer RH Sensor, PTAT (Proportional to Absolute) integrated temperature sensor |
| Operating Conditions | -30°C to 70°C 0% to 100% Relative Humidity (RH) Non Condensing |
| Storage Conditions | -40°C to 85°C |
| Output Modes | RS485 MODBUS – Configurable, 115,200 baud 8E1 Fault Protection (SN65HVD1781) |
| Power Supply Requirements | 8-32 VDC (12 VDC) with polarity protection |
| Current Consumption | <10mA average typical (bus Rx mode) 70 mA Peak typical (bus Tx mode / Heat mode) |
| Cable | Outer Diameter: 8.00 ± 0.20mm, 4 Core, unshielded Length: 0.09m |
