Contact Us
-
Tel: +8618822802390
-
E-mail: admin@gvda-instrument.com
-
WhatsApp: 8618822802390
-
Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
-
12
Feb
2026
How do I set the alarm setpoint on a VOC detector?
How do I set the alarm setpoint on a VOC detector? Alarm point setting: Conventional factories only set A1 alarm value and A2 alarm value; TWA alarm value, S alarm value, and low c
-
12
Feb
2026
Operating Principle & High-Accuracy Measurement of CO₂ Detectors
Operating Principle & High-Accuracy Measurement of CO₂ Detectors A carbon dioxide detector is a device used to accurately measure the concentration of carbon dioxide gas in the
-
12
Feb
2026
A CO₂ detector keeps giving false alarms—how to troubleshoot it?
A CO₂ detector keeps giving false alarms-how to troubleshoot it? 1, Check environmental factors Ensure that the detector can operate under ideal temperature and humidity conditions
-
12
Feb
2026
What emergency procedures should be implemented if a combustible gas detector...
What emergency procedures should be implemented if a combustible gas detector suddenly malfunctions at a gas leak site? 1, Standardized use To ensure safety standards, it is necess
-
12
Feb
2026
How to handle an emergency when a combustible gas detector suddenly fails at ...
How to handle an emergency when a combustible gas detector suddenly fails at a gas leak scene? 1, Ensure personal safety At all times, personal safety should be given top priority.
-
12
Feb
2026
What are the application precautions in the water treatment industry?
What are the application precautions in the water treatment industry? 1. Accurate installation layout: To ensure that the ozone detector can accurately capture and reflect the true
-
12
Feb
2026
What is the maintenance cycle of a gas alarm instrument?
What is the maintenance cycle of a gas alarm instrument? 1. Daily inspection: Before each use of the gas alarm, a quick inspection of its appearance and basic functions should be c
-
12
Feb
2026
What should be done when a 4-in-1 gas detector displays LO?
What should be done when a 4-in-1 gas detector displays "LO"? In the complex environment of industrial production, the four in one gas detector is an important equipment
-
11
Feb
2026
What happens when a combustible gas detector is impacted by electromagnetic i...
What happens when a combustible gas detector is impacted by electromagnetic interference (EMI), and how to avoid it? 1, The combustible gas detector may exhibit the following sympt
-
11
Feb
2026
What should be done next if a gas detector shows abnormal readings?
What should be done next if a gas detector shows abnormal readings? 1. Check the basic status of the instrument (1) Confirm that the gas detector has sufficient power supply. Insuf
-
11
Feb
2026
What is a diffusion-type sulfur dioxide (SO₂) gas detector?
What is a diffusion-type sulfur dioxide (SO₂) gas detector? 1. Purpose The diffusion type sulfur dioxide gas detector is mainly used to detect the concentration of sulfur dioxide i
-
11
Feb
2026
How to repair a gas detector when its audible and visual alarm device fails?
How to repair a gas detector when its audible and visual alarm device fails? Step 1: Verify the alarm parameters Confirm whether the alarm threshold and alarm mode (such as instant
-
11
Feb
2026
Is response time crucial for carbon monoxide detectors? Why exactly?
Is response time crucial for carbon monoxide detectors? Why exactly? 1. Ensuring Life Safety: In environments where there is a risk of carbon monoxide leakage, such as gas leaks, i
-
11
Feb
2026
What are the key considerations for location selection when installing combus...
What are the key considerations for location selection when installing combustible gas detectors? 1. Select installation height based on gas density (1) Gases with a density greate
-
11
Feb
2026
Why is it indispensable? A deep dive into the core mission of CO₂ detectors.
Why is it indispensable? A deep dive into the core mission of CO₂ detectors. When we are in a closed office, classroom, or shopping mall, the seemingly calm air may quietly increas
-
11
Feb
2026
Why does sensor poisoning occur in gas detectors, and how can it be prevented?
Why does sensor poisoning occur in gas detectors, and how can it be prevented? 1, The main cause of sensor poisoning in gas detectors (1) High concentration gas shock When the sens
-
11
Feb
2026
Does a damaged housing of a 4-in-1 gas detector affect its core detection fun...
Does a damaged housing of a 4-in-1 gas detector affect its core detection functionality? 1. Gas flow obstruction Damage to the casing of the four in one gas detector may disrupt th
-
11
Feb
2026
What should be done if the sensor of a toxic gas detector becomes loose or da...
What should be done if the sensor of a toxic gas detector becomes loose or damaged? 1, Loose sensor 1. Turn off the power Firstly, turn off the power supply of the toxic gas detect
-
10
Feb
2026
What are the common pitfalls in selecting industrial flammable gas detectors?
What are the common pitfalls in selecting industrial flammable gas detectors? Misconceptions in the selection of combustible gas detectors 1. Misuse of catalytic combustion princip
-
10
Feb
2026
Does the detection performance of multi-gas analyzers meet industry standards?
Does the detection performance of multi-gas analyzers meet industry standards? This gas detector can simultaneously detect 1-18 types of gases, and buyers can freely combine them a
![[[TitleNews]]](/uploads/25961/info/n202602041115155b3c6.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602041111108378c.jpg)
![[[TitleNews]]](/uploads/25961/info/n20260204110148d51d9.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602041054211f91a.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602041043350bf6c.jpg)
![[[TitleNews]]](/uploads/25961/info/n20260204104031ef23d.jpg)
![[[TitleNews]]](/uploads/25961/info/n2026020410365004b18.jpg)
![[[TitleNews]]](/uploads/25961/info/n20260204103137fc751.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602041026592377f.jpg)
![[[TitleNews]]](/uploads/25961/info/n2026020410134120c57.jpg)
![[[TitleNews]]](/uploads/25961/info/n20260204101113778ce.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602040947090de4e.jpg)
![[[TitleNews]]](/uploads/25961/info/n20260204094306a3147.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602040939590eab5.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602040937322841b.jpg)
![[[TitleNews]]](/uploads/25961/info/n2026020409341415030.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602040928121b4fc.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602040925138c935.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602040922323a64d.jpg)
![[[TitleNews]]](/uploads/25961/info/n202602040918000b039.jpg)