Zhejiang, China
Business Type:
Manufacturer/Factory
Number of Employees:
130
Year of Establishment:
2005-11-14
Management System Certification:
ISO9001:2015
Average Lead Time:
Peak season lead time: one month
Off season lead time: one month
OEM/ODM Service
Sample Available
MEI Awards
Overseas Agent / Branch

Heat Detector, Fire Alarm, Alarm System manufacturer / supplier in China, offering 3V Lithium Battery Power Mini Heat Detector Alarm HK-21, Conventional Fire Alarm Control Panel Alarm System, Remote LED Output Photoelectric Smoke Alarm Detector and so on.

Diamond Member Since 2010
Audited Supplier

3V Lithium Battery Power Mini Heat Detector Alarm HK-21

Min. Order / Reference FOB Price
100 Pieces US $6-12/ Piece
Port: Ningbo, China
Production Capacity: 1000000PCS/Month
Payment Terms: T/T, Paypal
Type: Home Alarm
Certification: En
Application: Indoor
Product Name: 3V Lithium Battery Power Mini Heat Detector Alarm
Trademark: SENTEK
Origin: Ningbo China

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Basic Info.

Model NO.
HK-21
HS Code
8531100000

HK-21 has a high precision thermal resistor that is sensitive to the change of environmental temperature. The product has test button, red light indicator and buzzer. The red light flashing and buzzer sound 'beep'when detect the environment temperature is too high. The test button can silence the alarm signal for 11 minutes. During the period of silence the product will continue to monitor the environment temperature, when the environment temperature continue to raise up to a higher level, the product will alarm again. HK-21 is low quiescent current consumption and real-time detect the battery power, if the battery is low, the product will give low battery signal to prompt customer to replace it and customer can press the test button to silence the lowbattery prompt tone.
Product Description:

ModelHK-21XX-YY-ZZ(*)
Operating principleNTE thermistor
Power3V(bulit-in lithium battery)
Warranty5 years limited
Sound volume≥85dB at a distance of 3 meters
Ouiescent current<5uA @2.7V
Alarm current<150mA
Static response temperatureClass A1,54ºC-65ºC
Maximum humidity 93% RH non-condensing
Dimension50.8 mm dia.χ42.5 mm height
Weight54g

3V Lithium Battery Power Mini Heat Detector Alarm HK-21
3V Lithium Battery Power Mini Heat Detector Alarm HK-21

Feature

Rapid response and high precision NTC thermistors.

Built-in 10 years lithium battery - no battery changes for ever.

 Install simply and quickly using screws (included) or almost instantly with unique 3M VHB adhesive tape.

Multi-function button: normal work test, silence alarm signal, silence low battery prompt tone.

Silence function to silence false alarms and temporally desensitizing smoke alarm, just press and release at once.

Alarm signal: Red light flashes,"beep"prompt tone.

The operation mode: Normal mode, Alarm mode, Test mode, Silence mode, Low battery, 8 hours of low battery silence mode.

Conform to the standard: BS5446-2:2003
Related Products

3V Lithium Battery Power Mini Heat Detector Alarm HK-21
Company Information
3V Lithium Battery Power Mini Heat Detector Alarm HK-21

 

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