4-Wire Smoke Detector, Photoelectric Smoke Alarm (TA-2988)
Introduction
TA-2988 series optical smoke detectors are designed to respond to a wide spectrum of fires and ease installation. every unit is individually tested and calibrated to ensure high reliability and prevent false alarms
Technical Parameters:
| Operating voltage: |
9 ~ 28V(apolar output). |
| Operating current: |
≤50mA. |
| Detecting area: |
20 square meter. |
| Sensitivity: |
II grade. |
| Alarm type: |
network alarm output. |
| Alarm output: |
NC/NO(contact DC28V 100mA). |
| Installation: |
wall mounting. |
| Working temperature: |
-10ºC ~ 60ºC. |
| Freq. : |
3~5 sec |
| Working humidity: |
≤95% RH. |
| Alarm indicator: |
led continuously emitting red light |
| Remote output: |
15 ma max, diode gate |
| Humidity: |
0 to 95% rh, noncondensing |
| Alarm contact: |
for 4-wire: N/O or N/C operation |
| Form a: |
1.0a@30vdc/0.5a@125vac |
Picture:
Quality Control System:
Service
| OEM Service |
We have been provided OEM/ODM service to many companies |
| After-sales Service |
One year warranty |
| Certificates |
CE |
Shipment:
FAQ:
Q: 1. Can I have a sample order?
A: yes, welcome sample order to test and check quality
Q: 2. Which Payment terms are acceptable?
A: We accept T/T, Western Union, PayPal
Q: 3. Which Shipping methods are available?
A: The DHL, UPS, FedEx, EMS, By Air, By Sea are available.
Q: 4. How about the lead time and delivery time of my order?
A: In general, the lead time is 3-10 working day according the details quantity. Delivery time is 4-8 working day.
Q: 5. How long guarantee of our products?
A: our products have warranty with one year.
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