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Ningbo Ambest Electronics Co., Ltd.

Gas Detector, Gas Leak Detector, Gas Detector Price manufacturer / supplier in China, offering High Sensitivity, 2 Wire, Conventional Carbon Monoxide Gas Detector (400-001), State of The Art Fire Alarm Control System, 1 Loop (6001-01), Big Infrastructure Fire Project Fire Alarm Control System, 2 Loop (6001-02) and so on.

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Supplier Homepage Product New Products High Sensitivity, 2 Wire, Conventional Carbon Monoxide Gas Detector (400-001)

High Sensitivity, 2 Wire, Conventional Carbon Monoxide Gas Detector (400-001)

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Ningbo, China
Production Capacity: 50000PCS/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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Basic Info
  • Model NO.: 400-001
  • Signal Transmission: Wireless Alarm
  • Certification: CE, ISO
  • Sensor Type: Electric Alarm
  • Transmission Mode: Wireless
  • Usage: Door, Personal, Window, Fire, Smoke
  • Sampling Time: (2~4)S
  • Reset Time: <10s
  • Transport Package: 100PCS/Ctns
  • Origin: Ningbo, China
  • Type: Carbon Monoxide Alarm
  • Working Mode: Active
  • Application: Indoor
  • Working Principle: Electro-Acoustic Style
  • Alarm Volume (within 1m): ≥90dB
  • Operating Voltage: DC(12/24)V
  • Quiescent Condition Indicator: Flashing Red LED Every 5s
  • Trademark: Numens
  • Specification: CE
  • HS Code: 8531100000
Product Description
400-series non-addressable carbon monoxide (CO) gas alarms are suitable for connection to 2-wire and 4-wire non-addressable fire detection control and indicating equipment. 400 detectors can also connect to 2-wire and 4-wire addressable fire detection control and indicating equipment that can accept non-addressable detectors.
Advanced electronics in conjunction with a semiconductor gas sensor provide early detection of carbon monoxide gas and high immunity against unwanted alarms.


·    Detector auto-reset once gas levels fall below alarm threshold levels
·    2-wire and 4-wire models for DC 12 V and DC 24 V operation
·    Magnet-initiated alarm test function
·    N/C or N/O alarm relay output
·    Loud 85 dB internal sounder
·    Connects to zone monitor for use with addressable control and indicating equipment

operating voltageDC(12/24)V
start-up current≤100μA
start-up time≤10min
quiescent current≤50μA
sampling time(2~4)s
alarm indicatorRed LED
quiescent condition indicatorflashing red LED every 5s
reset voltage≤1V

Ordering Information:
Part Number2-Wire4-WireRemote IndicatorRelay Output

Q1:Are you a manufacturer or trading company?
A1:Numens is a professional fire alarm system manufacturer.
Q2:What kind of production service do you provide?
A2:The whole fire alarm system,include Addressable system, Conventional system, Residential system and so on....
Q3:What kind of certification do you have?
A3:Numens was EN,BSI,UL,SGS certified and all the products were produced under these major international standard .
Q4:What is the lead time for new order?
A4:The lead time for new order is 25 days after confirm order.
Q5:How do I get price information?
A5:Sales representatives are responsible for providing detailed price information within 1 workday after get your inquiry.

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