WT145 4-Wire Heat Detector with Relay Output

Product Overview
The device is intelligent sensors that utilize a state-of-the-art thermistor sensing circuit for fast response. These sensors are designed to provide open area protection with 50 foot spacing capability. The device is a rate-of-rise temperature sensor with 135°F fixed temperature alarm.The device is a rate-of-rise with fixed temperature alarm thermal detector utilizing a state-of-the-art dual thermistor sensing circuit. These detectors are esigned to provide open area protection with 50-foot spacing capability, and are to be used with compatible control panels only. Two LEDs on each detector light to provide 360°visibility of the detector indication.

Features
1. Compatible with all the security alarm system
2. Alarm Relay Output(NO/NC can be adjustable)
3. Unpolarized wire input
4. Wide range of operating voltages(9V~28VDC)
5. High precision electronic thermistor
6. Built in microprocessor intelligent software
7. Two LEDs blink standby , provide 360° visibility
8. Insect-resistant s creening
9. Twist-on mounting base with tamper lock

Technical Specifications
1. Diameter: 103mm
2. Height (including mounting base): 55 mm
3. Weight: 155 g
4. Operating Temperature Range: -10°C to 50°C
5. Operating Humidity Range: 10% to 93% Relative Humidity, Noncondensing
6. Latching Alarm: Reset by momentary power interruption

Electrical Ratings
1. Power Supply Voltage: 12 VDC (9V~ 28VDC)
2. Standby Current: 200 μA
3. Alarm Current: 45 mA @ 12VDC
4. Alarm Relay Contacts Rating: 2A@24VDC
5. Temperature Alarm Sensitivity: 57°C (135°F) A1R

Dimensions

Ordering Information

What can we do for you?
Angel Technologies Hongkong Ltd.( hereinafter referred to as ATL) dedicates to providing cost-effective quality fire alarm solutions and perfect service to overseas customers. Products include: Addressable fire alarm systems, Conventional fire alarm systems, domestic fire detect alarms and gas extinguishing system. They are widely used in families and over 100 kinds of public places, such as the hospital, schools, hotels, office buildings, dormitories, factories, restaurants, banks, warehouse, buses, railways, libraries, filling stations, etc.
You are welcome to be our overseas agents, and we support OEM&ODM.

Are we factory?
All products are produced in Shenzhen Convoys Fire Technology Limited（hereinafter referred to as CFT）, by which ATL is especially founded to support the oversea customers, CFT is in charge of production and the domestic trade. CFT & ATL belong to the same founder, so ATL provide the same price and service as the factory CFT.
We provide one-stop service for you, from R&D to after-sale service.

About CFT
CFT is located in Shenzhen China, focusing on fire alarm solutions since 2005, and already serviced for about 100 overseas customers. We R&D, produce, sell products and provide after-sale service ourselves. Our product has reached the international advanced level by the non-stop effort those years, there´s almost no miss -alarm and false-alarm, the rate of correct and timely alarm is 99.9%, and we are continuously developing new products to meet nowadays’ new needs, so that you can make your safety status under control, no matter anywhere, no matter when.

Any certification?
We have already got the certificates of ISO 9001:2008, CE, and ROHS. If any other requirements, we´d like meet you.

How to cooperate?
Apply for sample --- Sample approval --- Trial order --- Substantial order --- Orders reach some quantity -- Apply for agency --- Exclusive agency

Our vision
We hope all of us on the earth could be away from fire risk because of the protection of our secure products. We’d like to make great contributions to the safety of human life and property, let the world to be more beautiful and happier.