Overview
The GD-02 is a reliable color-screen gas detector for methane, also tracking temperature and humidity. It delivers fast, accurate readings, quick startup, rapid zeroing, and resists low temperatures, poisoning, and interference. Durable and precise, it maintains performance for over 3 years.
Features
-
2.0" Full-Color TFT Display – Real-time display of gas concentration and ambient temperature/humidity with 0.5s refresh rate.
-
Curve Analysis & Data Recording – Supports trend curve analysis and record tracking for more intuitive monitoring.
-
Adjustable Brightness & Dual UI Themes – Switch between light/dark modes for day and night environments.
-
Multi-Gas Detection – Accurately detects methane, propane, and isobutane.
-
Wide Detection Range – Methane detection range of 0–50000ppm with 1ppm / 1% LEL resolution.
-
36cm Flexible Probe – Easily detects in complex, narrow, or hard-to-reach spaces.
-
Triple Alarm System – Audible, vibration, and visual alerts ensure timely safety warnings.
-
Alarm Record Storage – Saves up to 30 alarm records for easy tracking and review.
-
Fast Response & Recovery – <5s response time (T90) and <10s recovery time (T10) for rapid hazard detection.
-
Long Sensor Lifespan – Durable sensor with over 3 years of reliable service.
-
Rugged Environmental Adaptability – Operates in -10~55℃ with strong resistance to electromagnetic interference.
-
Lightweight & Portable Design – Weighs approx. 296g, with a built-in flashlight for low-light or emergency use.
-
Performance Upgrades & Data Hold – Supports USB Type-C firmware updates and data hold function for recording and analysis.
Specifications
|
Model
|
GD-02
|
|
Screen Material
|
2.0-inch Color Screen
|
|
Detectable Gases
|
Methane, Propane, Isobutane
|
|
Measurement Range (Methane)
|
0 ~ 50,000 ppm
|
|
Measurement Range (A%LEL)
|
0 ~ 100 A%LEL
|
|
Measurement Range (%LEL)
|
0 ~ 100 %LEL
|
|
Resolution
|
1 ppm / 1 %LEL
|
|
Operating Temperature
|
-10 ~ 55 ℃
|
|
Warm-up Time
|
Around 15–16 seconds
|
|
Response Time (T90)
|
< 5 s
|
|
Recovery Time (T10)
|
< 10 s
|
|
Service Life
|
> 3 years
|
|
Sampling Time
|
≈ 0.5 s
|
|
Size
|
≈ 63 × 28 × 139 (+360) mm
|
|
Product Weight
|
≈ 296 g
|
|
Languages
|
Simplified Chinese / English
|
Package List
|
Item
|
Quantity
|
|
GD-02 Host
|
1
|
|
Type-C Charging Cable
|
1
|
|
Storage Case
|
1
|
|
User Manual
|
1
|
|
Packaging Box
|
1
|
Precautions
Situations to Strictly Avoid
|
Condition
|
Risk
|
|
Exposure to volatile silicon compounds (adhesives, hairspray, silicone, etc.)
|
Permanent reduction of sensor sensitivity
|
|
Exposure to high concentrations of corrosive gases (H₂S, SOx, Cl₂, HCl)
|
Corrosion or irreversible performance degradation
|
|
Contact with alkalis, alkali metal salts, or halogens (e.g., Freon)
|
Performance deterioration
|
|
Sensor contact with water or submersion
|
Reduced sensitivity
|
|
Ice formation on sensor surface
|
Cracking of sensitive layer and failure
|
|
Applying voltage above specified value
|
Damage to leads/heater and reduced sensitivity
|
Situations That May Reduce Sensor Performance
|
Condition
|
Effect
|
|
Minor condensation
|
Minimal short-term effect
|
|
Prolonged moisture on sensor
|
Performance degradation
|
|
Long-term exposure to high gas concentrations
|
Reduced sensor performance
|
|
Direct gas spraying (e.g., lighter gas)
|
Severe sensor damage
|
|
Prolonged extreme humidity, temperature, or pollution
|
Severe performance impact
|
|
Frequent/excessive vibration (transport, pneumatic/ultrasonic assembly)
|
Broken internal leads
|
Prohibited Conditions
|
Prohibited Action
|
Consequence
|
|
Allowing liquid contact with sensor
|
Damage to gas-sensing function
|
|
Plugging/unplugging or disassembling sensor module
|
Sensor damage
|
|
Modifying or moving electronic components
|
Malfunction
|
|
Blocking ventilation area
|
Reduced sensitivity and slower response
|
|
Excessive impact or vibration
|
Unreliable output
|
|
Long-term exposure to high gas levels
|
Slow recovery proportional to overrange level
|
|
Disassembling the sensor
|
Permanent damage
|
Downloads
Additional Information
| Device |
Gas Detector |
| Type |
Portable | Combustible |
