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MP420 4-in-1 detector


Parameter/Features Inquiry
  • Features

    detector for worker safety at hazardous locations, with four standard sensors for oxygen (O2), combustibles (LEL), carbon monoxide (CO) and hydrogen sulfide (H2S). Alternative sensors are low-power infrared methane (CH4), sulfur dioxide (SO2), and hydrogen cyanide (HCN). The detector is packaged in a robust housing with no moving parts. Its battery power offers 24 hrs for a standard 4-gas detector, and extended runtime when using a low-power infrared sensor. The simple, 2-button operation results in ultimate ease of use and significantly reduced time spent training the user. To save user cost, sensors are not interchangeable and must be specified at time of purchase.


    Size 4.33 x 2.36 x 1.10 in (110 x 60 x 28 mm)
    Weight 8 oz (230 g)
    Sensor Standard LEL (Pellistor), O2-LF (Pb-free), CO and H2S Alternatives CH4 (NDIR), O2 (Galvanic), SO2 and HCN Replaceable but not interchangeable
    Battery Rechargeable Li-ion pack: ≥ 24 hours (with Pellistor) or extended run time (with NDIR)
    Direct Readout Real-time reading of gas concentration Visual compliance indicator Battery status STEL, TWA, peak and minimum values
    Display Segment LCD, 1.75 x 1.25 in (44 x 32 mm) with LED backlight for enhanced readability
    Keypad 2 operation keys
    Calibration Manual calibration. MuniDock or Calicase allows automatic bump test and calibration
    Alarm Wireless remote alarm notification, audible (95dB@30cm), vibration, visual (flashing bright red LEDs), and on-screen indication of alarm conditions Man Down Alarm with pre-alarm and real-time remote wireless notification
    Datalogging 1000 Events (Software allows printing of Calibration Certificate)
    Charging and Communication Charging with AC adapter or cable to PC PC comm for data download, monitor setup & firmware upgrades via cable, optional BLE (Bluetooth Low Energy), or MuniDock
    Temperature -4° to 122°F (-20°C to 50°C)
    Humidity 0% to 95% relative humidity (non-condensing)
    IP Rating IP-68
    Safety Certifications UL/cUL: Class I, Div 1, Group A, B, C, D T4, -20°C ≤ Tamb ≤ +50°C EMC/RFI EMC directive: 2004/108/EC ATEX II 1G Ex da ia IIC T4 Ga
    Warranty 2-year including sensors 3-years with NDIR-LEL/O2-LF/H2S/CO
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Submit a Quick Quote

Recommend you also directly send and email to karenliu@senre.com.cn to get our fastest response.