Product Overview
The Telaire T8700 Wall Mount Humidity and Temperature Transmitter is a precision instrument designed for HVAC control applications. It offers flexible analog outputs (0-5V, 0-10V, 4-20 mA) and is available in both display and non-display versions. The transmitter features a rugged capacitive sensor for full-scale 0-100% RH measurement with excellent response times, linearity, and stability. Its modern enclosure is made of flame retardant, UL-94V ABS plastic, designed for enhanced airflow and minimal self-heating. The T8700 boasts a field-replaceable humidity sensor, quick and easy wiring with a two-piece terminal block system, and a gas permeable, water-resistant filter to protect the sensor. With a focus on low cost of ownership, it includes a two-year warranty and simplified inventory management.
Product Attributes
- Brand: Telaire (Amphenol Advanced Sensors)
- Material: Flame retardant, UL-94V ABS plastic
- Sensor Filter: Gas permeable, water resistant
- Certifications: CE and RoHS compliant
- Warranty: Two years (Transmitter only), one year on replaceable sensor
- Customization: Customized branding available on request (subject to quantity)
Technical Specifications
| Model | Size | Display | Humidity Output (4-20 mA) | Humidity Output (0-5 V) | Humidity Output (0-10 V) | Temp Output (4-20 mA) | Temp Output (0-5 V) | Temp Output (0-10 V) | Temperature Output Type |
|---|---|---|---|---|---|---|---|---|---|
| T8700-E | Euro | No | Thermistor 10k II | ||||||
| T8700-E-D | Euro | Yes | Thermistor 10k II | ||||||
| T8700 | US | No | Thermistor 10k II | ||||||
| T8700-D | US | Yes | Thermistor 10k II |
| Specification | Details |
|---|---|
| Sensing Method | Fully integrated humidity and temperature |
| Power Supply Requirements | 18-30 VAC RMS, 50/60 Hz, or 18 to 42 VDC, polarity protected |
| Power Consumption | Typical 0.7 W at nominal voltage of 24V AC RMS |
| Temperature Dependence | 0.2% FS per C (0.11% per F) |
| Operating Conditions | 32F to 122F (0C to 50C); 0 to 95% RH, non-condensing |
| Storage Conditions | -40F to 158F (-40C to 70C) |
| Flammability Classification | UL94 5VA |
| Thermistor Type | NTC 10 K W thermistor (passive) |
| Thermistor Accuracy | 1C (15 to 35C) |
| RH Sensing Element | Capacitive polymer sensor |
| RH Range | 0% to 99% RH (non-condensing) |
| RH Accuracy (25C) | 2.5% RH (20 to 80% RH); 3.5% RH (<20% and >80% RH) |
| Active Temperature Range | 0 to 50C |
| Active Temperature Accuracy | 0.8C @ 22C |
| Output Impedance (10V) | 100 |
| Output Load (4-20mA) | RL maximum 500 |
| Digital to Analog Error | 1% |
| Replaceable RH Sensor Tip Module Part Number | T63346 |
Note: NIST certificate available at additional cost (part no. 3PTCERT).
Note: NIST/NPL certificate available on complete transmitter at extra cost.
2410301818_Amphenol-T8700-D-GN_C17212778.pdf
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