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FTH-KBL1

Natural Gas (methane - CH4)

100g

Semiconductor

59mm * 59mm * 40mm

Natural diffusion

DC 100V - 240V

0-100% LEL

180s ± 10s

7% ± 3% LEL

Visible and Audible alarm

Temperature: -20 to 40 

Humidity: ≤ 95% RH (no frost)

70dB

5 years

Model

Applicable Gas

Weight

Overall Dimensions

Sampling Method

Working Voltage

Range

Self-test Time

Alarm Setpoint

Alarm

Working 

Environment

Alarm Volume

Service Life

Sensor Type

5

6

Failure 

Phenomenon

The power cord 

is not 

connected well

Power indicator

 has failed

Press the self-test 

button without 

sound and 

light alarm

Circuit failure

No response 

to detection 

of gas

Pre-boot program 

has not ended

Circuit failure

After the 

pre-start 

procedure, 

the detector has 

been in the 

alarm state

In the environment 

there are a large 

number of volatile 

organic compounds.

Place the 

detector in 

a clean air 

environment 

and restart the 

self-test 

program.

Storage time 

is longer

Circuit failur

Please connect 

the power 

cord well

Please contact 

the seller

Please contact 

the seller

Wait for the 

program 

to finish

Please 

contact 

the seller

Please contact 

the seller

Continue to 

power aging

The green power 

indicator does 

not light

7

Main Specifications

Common faults and solutions

Failure Analysis

Treatment

Program

 

After-sales policy and warranty policy

THIS  PRODUCT  SUPPORTS  ONE-YEAR  FREE  REPLACEMENT,  BUT  IF  NON-
NORMAL  USE  DOES  NOT  ENJOY  THE  WARRANTY  (FOR  EXAMPLE: 
LIGHTNING, VOLTAGE INSTABILITY, WATER AND OTHER MAN-MADE) .

4

Equipment Maintenance

1. this product after storage and long-distance transport, the first 
time  in  need  of  electricity  aging  more  than  24  hours  in  order  to 
achieve the best performance.

2. start the product self-checking function every 4-6 months.

IN  THE  CASE  OF  SAFETY  TO  ENSURE  THE  USE  OF  A  KNOWN 
CONCENTRATION  OF  GAS  ON  THE  DETECTOR  FOR  IMPACT  TESTING 
TO CONFIRM WHETHER THE DETECTOR WORK.
BE SURE TO TEST IN A SAFE ENVIRONMENT!

3.  please  often  use  a  soft  brush,  velvet  cleaning  equipment, 
surface dust and oil, to ensure that its detection hole breathable, 
indicating  good  display.  When  cleaning,  do  not  use  detergents, 
bleach and so on.

4.  This  product  is  designed  for  indoor  use  only,  please  avoid 
contact  with  rain  or  moisture,  also  need  to  avoid  the  detector 
drop,  do  not  beat,  open  or  change  it,  otherwise  it  may  lead  to 
product failure.

5. should not be used near the detector volatile substances, such 
as alcohol, hair gel and so on. If this kind of material causes the 
false  report,  please  promptly  ventilates,  causes  the  detector  to 
return to the normal examination condition.

6. under normal circumstances, the maximum life of the detector 
for  5  years,  more  than  the  use  of  the  period  must  be  replaced 
with new ones.

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