Mukta Instruments

NH3 Portable Ammonia Gas Detector

• Gas Type: Ammonia (NH3)
• Sensor Type: Electrochemical (2-3 years lifespan)
• Measuring Range: 0-100 ppm
• Display: Large LCD (gas type, concentration, time, battery status)
• Data Storage: 1000 alarm records
• Sampling Mode: Diffusion (optional external pump)
• Alarm Mode: Audible (≥75 dB), visual, vibration
• Power Supply: 3.7V, 2000 mAh rechargeable battery (10+ hours)
• Protection Grade: IP65
• Operating Temp: -20°C to 50°C
• Dimensions: 110 x 60 x 30 mm
• Weight: 210 g (with charger)

•Power Source: Battery
•Display: Digital
•Measuring Range: Combustible Gases: 0–100% LEL
•Features:
 •Portable and efficient detection
 •Miniature vacuum pump for stable signals
 •Built-in flashlight for use in confined spaces
•Applications: Ideal for mining and hazardous environments

Gas Detected: LEL
Detection Principle: Catalytic
Measure range: 0-5000, 10000ppm, 100%Vol, 100%LEL(Availbel measuring Range: 0-100%LEL, 5%Vol) 
Accuracy: ≤±2-5%FS (Depending on the specific sensor)
Explosion-proof grade：IECEX：Ex db IIC T6 Gb，Ex db ia IIC T6 Gb ； ATEX：Ex db IIC T6 Gb，Ex db ia IIC T6 Gb
Protection grade：IP66/67
Power dissipation：toxic gas

Methane Gas Detector – Specifications

•Display: LCD screen
•Detected Gas: Methane
•Measurement Range: 0–100% LEL
•Resolution: 100 ppm
•T90 Response Time: 20 seconds
•Alarm: Real-time alarm
•Power Supply: 220V
•Dimensions: 120×119.6×40.38 mm
•Weight: 260 g
•Data Transfer: 4G CAT1

•Gas Type: O₂
•Sampling Method: Diffusion
•Detection Range: 0–30% VOL
•Resolution: 0.1% VOL
•Accuracy: ≤±3% FS or ±10%
•Response Time: ≤30 s
•Principle: Electrochemical
•Display: Gas name, concentration unit, measured value, battery level
•Alarm Mode: Sound, light, vibration; high and low alarm values user-configurable
•Degree of Protection: IP66/IP68
•Alarm Types: Low alarm, high alarm, STEL, TWA, low battery
•Battery: 3.6V dry battery (non-rechargeable)
•Dimensions: 131 × 83 × 35 mm
•Weight: 240 g

•Gas Type: Hydrogen Sulfide (H₂S)
•Sensor: Electrochemical (2–3 years lifespan)
•Display: LCD (shows gas type, concentration, time, battery, alarm status)
•Data Storage: 1,000 alarm records
•Language: Switchable between Chinese/English
•Alarm: Audible, visual, and vibration (adjustable thresholds)
•Battery: 1,800 mAh rechargeable (10+ hours operation)
•Explosion-Proof Rating: Exia CT4
•Protection Rating: IP66
•Operating Temperature: -20°C to 50°C
•Humidity Range: 0–95% RH
•Material: ABS and PC
•Dimensions: 110 × 60 × 30 mm
•Weight: 210 g (with charger)

Gas Detected: O2
Detection Principle: Electrochemical
Measure range: 0-25%, 30%Vol
Accuracy: ≤±2-5%FS (Depending on the specific sensor)
Explosion-proof grade：IECEX：Ex db IIC T6 Gb，Ex db ia IIC T6 Gb ； ATEX：Ex db IIC T6 Gb，Ex db ia IIC T6 Gb
Protection grade： IP66/67
Power dissipation：toxic gas

• Gases Detected: Combustible gases (CH₄, C₃H₈, H₂), toxic gases, and oxygen
• Also detects rare toxic gases such as NH₃, NO, PH₃, NO₂, HCN, SO₂, etc.
• Custom gas detection options can be specified by the customer in advance
• Accuracy: ≦5% F.S.
• Response Time: ≤30 seconds

•Gas Type: H₂S
•Sampling Method: Diffusion
•Detection Range: 0–100 ppm
•Resolution: 0.1 ppm
•Accuracy: ≤±3%FS or ±10% (depending on the specific sensor)
•Response Time: ≤30 s (T90)
•Principle: Electrochemical
•Units: PPM, mg/m³, %VOL, μmol/mol
•Display: Gas name, concentration unit, measured value, battery level
•Alarm Mode: Sound, light, vibration; high and low alarm values user-configurable
•Alarm Types: Low alarm, high alarm, STEL, TWA, low battery
•Power Supply: 3.6V dry battery (non-removable, rechargeable)
•Explosion-Proof Grade: Exia IIC T4 Ga
•Protection Class: IP68
•Executive Standards:
 - GB 12358-2006
 - GB 3836.1-2010
 - GB 3836.4-2010
 - JJF 1421-2013
 - JJF 1363-2019
 - JJF 1364-2012
 - JJG 365-2008
 - IEC 60079-0-2017
 - IEC 60079-11-2
•Working Temperature: -20℃ to 55℃
•Working Humidity: 0–95% RH (non-condensing)
•Working Air Pressure: 86–106 kPa
•Dimensions: 90 × 60 × 33 mm (L × W × T)
•Weight: 125 g

•Gas Detected: O₂
•Range: 0–25% VOL
•Resolution: 0.1% VOL
•Response Time: T90 ≤ 30/60/180 s
•Accuracy: ≤ ±5% FS
•Power: Rechargeable 750 mAh Li-battery (3.7V)
•Run Time: ~14 days
•Charge Time: 3–5 hours
•Alarm: Sound (≥90 dB), LED, vibration
•Display: LCD
•Protection: IP66
•Temperature Range: -20°C to 60°C
•Weight: ~110 g
•Dimensions: 63 × 64 × 43 mm