Mukta Instruments

•Working Method: Diffusion
•Gas Type: CO, H₂S, O₂, LEL
•Principle: CO/H₂S sensors from Honeywell, O₂ from CITY, EX (LEL) from SGX
•Measurement Range:
 - O₂: 0–30% VOL
 - LEL: 0–100%
 - CO: 0–1000 ppm
 - H₂S: 0–100 ppm
•Resolution:
 - O₂: 0.1% VOL
 - LEL: 1%
 - CO: 1 ppm
 - H₂S: 0.1 ppm
•Response Time (T90): ≤30 s
•Startup Features: Auto-test, auto-calibration, auto-zero on power-on
•Additional Functions:
 - MAX/MIN, STEL, TWA readings
 - Unit switch between ppm and mg/m³
 - Automatic unit conversion
•Display: Segment code LCD display
•Calibration Platform: Compatible with DKM-MicMeta docking station (optional)
•Data Record:
 - 1,000 sets of data records
 - 100 sets of event records
•Alarm:
 - 95 dB buzzer (@30 cm)
 - Vibration alarm
 - Flashing red bars
 - Alarm status shown on screen
 - Latched alarm
 - Diagnostic alarm, low battery alarm, man down alarm
 - Adjustable set points for all sensors
•Battery: 3.7V rechargeable lithium battery, 2300 mAh capacity
•Wireless Transmission:
 - Bluetooth (optional)
 - LoRa (optional)
•Working Hours:
 - Standby time: 24 hours
 - Charging time: <6 hours
•Certification (EU): 2004/34/UE (ATEX)
•Explosion-Proof Grade:
 - IECEx: Ex ia IIC T4 Ga, Ex ia I Ma
 - ATEX: II 1G Ex ia IIC T4 Ga, Ex ia I Ma
•Protection Grade: IP66/IP68
•Working Temperature: -20°C to 55°C
•Working Humidity: 0–95% RH (non-condensing)
•Working Pressure: 86–106 kPa
•Size: 45 × 58 × 116 mm (L × W × H)
•Weight: 240 g (with lithium battery)

Gas Detected: O2, SO2, NO2, CO

Detection Principle: Electrochemical

Measure range:

-O2: 0-25%

-SO2: 0 –100 ppm

-NO2: 0 –100 ppm

-CO: 0 –1000 ppm

Precision: ≤±1-5%F.S except for special gases

Data logging (Optional function) : 100000 readings can be stored on device and download through PC software

Response Time : ≤20S

Repeatability: ≤±1%

Zero shift: ≤±1%（F.S/year）

Operating language: English

Temperature:  -20℃～50℃

Explosion-Proof: E x i a IIC T4 Ga

Alarm mode: Sound, light, vibration

Dimensions: 205*75*32mm

Recovery Time: ≤10S

Linearity error: ≤±1%

Display ： LCD dot matrix display

Gas unit：Units are switchable

Humidity： 0-95%RH

Degree of protection： IP66

Operating time： 100h（pump off）

Weight： 300g

•Gas Detected: NH3,CO2,O2
•Detection Principle: NH₃, O₂ – Electrochemical; CO₂ – Infrared
•Measure Range: NH₃ 0–100 ppm, CO₂ 0–5% Vol, O₂ 0–30% Vol
•Resolution: NH₃ – 0.1 ppm, CO₂ – 0.01% Vol, O₂ – 0.1% Vol
•Alarm Types: Sound, light, and vibration (alarm point is user-settable)
•Battery: High-capacity lithium polymer battery
•Function: Detects NH₃, CO₂, and O₂ gas concentrations in the air
•Sampling Method: Built-in sampling pump for fast and reliable response
•Interface Language: English
•Dimensions: 205 × 75 × 32 mm
•Weight: 300 g

Gas Detected: O2, CO, CO2, H2S, NH3, VOC

Detection Principle: O2,CO,H2S,NH3,VOC(Electrochemical), CO2(Infrared)

Measure range:

-O2: 0-25%, 30%Vol

-CO: 0-500, 1000, 2000ppm

-CO2: 0-2000, 5000, 10000ppm

-H2S: 0-50, 100, 200ppm

-NH3: 0-100, 200ppm

-VOC: 0-50, 100, 1000ppm

Precision: ≤±1-5%F.S except for special gases

Data logging (Optional function) : 100000 readings can be stored on device and download through PC software

Response Time : ≤20S

Repeatability: ≤±1%

Zero shift: ≤±1%（F.S/year）

Operating language: English

Temperature:  -20℃～50℃

Explosion-Proof: E x i a IIC T4 Ga

Alarm mode: Sound, light, vibration

Dimensions: 205*75*32mm

Recovery Time: ≤10S

Linearity error: ≤±1%

Display ： LCD dot matrix display

Gas unit：Units are switchable

Humidity： 0-95%RH

Degree of protection： IP66

Operating time： 100h（pump off）

Weight： 300g

•Gases Detected: Portable Multi-Gas
•Pump: No
•Name of Gases Detected: Hydrogen
•Power Source: Battery
•Display Type: Digital
•Color: Orange
•Alarm Type: Sound and light alarm
•Accuracy: 99.9%
•Battery Life: 8 hrs
•Power Source: Battery (duplicate entry; retained for clarity)