Combustible Gas Detector DF-838-1 Supply Gas Gas Detection Alarm Gas Leakage Connection Gate Alarm

NegotiableUpdate on 01/31

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Nature of the Manufacturer: Producers

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Overview

Combustible Gas Detector DF-838-1 Supply Gas Gas Detection Alarm Gas Leakage Connection Gate Alarm

Product Details

	Product Name	Combustible Gas Detector DF-838-1 Supply Gas Gas Detection Alarm Gas Leakage Connection Gate Alarm

	Product Specifications

	Product Usage


detailed description

Combustible gas detector DF-838-1

Supply gas, gas detection alarm, gas leakage connection gate alarm

(Can be equipped with solenoid valve, solenoid valve)
The DF-838-1 gas leak detection linkage manipulator will immediately emit an 85 decibel alarm sound when a gas leak is detected, and at the same time, the linkage manipulator will block the pipeline. Prevent gas leakage, fire and explosion. Causing losses to life and property.

Features:
1. Controlled by microprocessor
2. Automatic reset
3. High stability sensor
4. Automatic fault detection function
5. Manufacturing using SMT technology
6. Can be linked with a robotic arm, solenoid valve, and exhaust fan
7. Detecting natural gas and liquefied petroleum gas

Technical Specifications:
Working voltage: AC220V or DC12V
Static current: ≤ 40mA
Alarm current: ≤ 100mA
Working temperature: -10 ℃~+50 ℃
Working humidity: ≤ 95% RH
Alarm mode: networked output/sound and light alarm
Alarm sound pressure: ≥ 70dB/m
Alarm concentration: 10% LEL
Alarm concentration error: ± 5% LEL
Alarm output: Relay output (normally closed)
Dimensions: 115 * 72 * 41mm

Installation location
1. Alarm devices suitable for liquefied petroleum gas should be installed at a distance of less than 1m from the ground, more than 2cm from the ground and walls, and less than 4m from kitchen utensils, as shown in Figure 3.
2. Alarm devices suitable for natural gas and artificial gas should be installed at a distance of less than 30cm from the ceiling, more than 2cm from the ceiling and walls, and less than 8m from kitchen utensils, as shown in Figure 3.

Note:
The alarm should be installed in a location that is easy to observe and easy to check with a jet.
The alarm should be installed in rooms with gas appliances that may experience gas leaks, while gas leaks in other rooms may not trigger an alarm.
It is strictly prohibited to vibrate, drop, or impact the alarm during installation, otherwise the alarm will fail.
The installation position of the alarm should not face the oil and smoke directly.
Alarm devices should not be installed in areas with good ventilation or high airflow.
The alarm cannot be obscured by other objects.
Alarm devices should not be installed near vibrating objects such as refrigerators and air conditioners.

Installation method
First, install the alarm hanging board on the wall, and then hang the alarm on the hanging board.

Instructions for Use
1. Install and fix the alarm according to the requirements in the "Installation Instructions".
2. When the power is turned on, the green light flashes and the alarm is in the preheating state, unable to perform normal detection work.
3.2. After 3 minutes, the green light stops flashing and remains on, and the alarm enters normal working mode.
If the alarm keeps ringing and the yellow indicator light stays on, it means that the sensor is no longer working properly.
5. Alarm: When the gas leakage reaches a dangerous concentration, the red light flashes and the alarm emits a "beep beep beep" sound.

Button Function
Self check button - This button is used to check whether the sound and light alarm device is working properly. Pressing this button will turn on all three indicator lights of the alarm, and there should be an alarm sound.

maintenance and upkeep
Product Inspection
This product has an automatic sensor failure detection function. If the alarm is in a red light, the horn emits a long beep sound, and the signal output is in an open circuit state, it indicates that the alarm has failed and should be replaced in a timely manner.
The alarm must undergo a functional check every month, using a lighter to spray gas through the vent of the alarm and observe if there is an audible and visual alarm.

Note:
When the green light is flashing, jet inspection cannot be performed
Do not spray paint around the alarm, spray large amounts of irritating gases such as insecticides, alcohol, etc.
◆ Do not cut off the power supply to ensure normal power supply.
The installation position should follow the requirements in the "Installation Instructions" and cannot be moved or changed arbitrarily.