O₂ · CO · H₂S · LEL · CO₂
GD4 Mini
GD4 Mini — Compact portable four-gas detector
A compact portable detector for oxygen, carbon monoxide, hydrogen sulfide, and combustible gas.
- Diffusion-type measurement of four gases
- O₂ 0–30 vol%; CO 0–1,000 ppm; H₂S 0–100 ppm measurement ranges
- Color LCD with Korean language support
- Stores up to 15,000 alarm records
- Up to 18 hours of continuous operation per charge
O₂ · CO · H₂S · LEL
319,000 KRWGD4 Mini Technical specifications
- Range / flow rate
- O₂ 0–30 %VOL · CO 0–1,000 PPM · H₂S 0–100 PPM · LEL 0–100 %LEL
- Accuracy
- O₂ ±2%FS · LEL ±5%FS · CO ±5 µmol/mol or ±10% · H₂S ±2 µmol/mol or ±10%
- Response time
- T90: O₂ ≤20 s · LEL ≤30 s · CO/H₂S ≤60 s
- Operating environment
- −20–50°C · 0–95%RH (non-condensing)
- Maximum runtime
- 18 h
Certifications
GD4 Mini 전파 적합등록증
Document language: ko · Document date: 2026-03-20
GD4 Mini 배터리 KC 안전확인신고 증명서
Document language: ko · Document date: 2021-11-03
배터리 안전확인신고 증명서 및 첨부 기술문서입니다. 인증 대상: 전지. 기본모델: 103450-2000mAh. 정격: 3.7 V, 2,000 mAh. 파생모델: 103450-1800mAh (3.7 V, 1,800 mAh). 신고번호: XU102707-21002A. 발급기관: 한국기계전기전자시험연구원(KTC).
Manuals
GD4 Mini 사용설명서
Document language: ko
Frequently asked questions
What should I confirm before selecting GD4 Mini?
Provide the target gases, expected concentrations, temperature, humidity, application and required certifications. We compare your conditions with the catalog specifications.
Where can I confirm calibration intervals and manuals?
Request the current model manual and calibration requirements through technical support. Intervals and performance not specified in the catalog need confirmation.
O₂ · CO · H₂S · LEL · CO₂
GD5000
Rugged portable multi-gas detector designed for field use748,000 KRW
O₂ · CO · H₂S · LEL
GD3000
Portable four-gas detector for industrial worksites238,000 KRW
O₂ · CO · H₂S · LEL · CO₂
GD5 Prime
Five-gas detector with built-in pump for remote sampling up to 30m979,000 KRW
O₂ · CO · H₂S · LEL
GD2000
Portable four-gas detector for confined-space work169,000 KRW
O₂ · CO · H₂S · LEL
GasProbe ES30A
Portable multi-gas detector with replaceable sensorsPrice on enquiry
O₂ · 0–30 vol%
GD7000
Single-gas oxygen detector for confined spaces and industrial worksites139,000 KRW
CO₂ · 0–5 vol%
GD9000
Single-gas carbon dioxide detector498,000 KRW
Two Suction Levels · Sampling Distance up to 10 m