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SENKO - SI-100

SENKO – SI-100

Fixed Gas Detector. Industrial Safety: A versatile Explosion Proof Gas Detection System.? Senko SI-100 is a fixed gas detector that can detect toxic gases, explosives and oxygen in an efficient manner. With its modular sensor platform, large backlit LCD display and magnetic wand interface, the SI-100 is easy to operate and maintain in environments with high explosion risk. By offering reliable analog output (4-20 mA) and a vast gas library, this device is well-suited for use in industrial safety installations.

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Product Highlights

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    Description

    SI-100 is an excellent fixed gas detector to detect toxic gases, combustible gasesand oxygen deficiency, installed in a place where potential gas hazard exists. Itshows not only the concentration of protentional gas, but also diagnostic the resultof the unit itself through the large digital LCD display. Allows a user to connect to thecontroller with a standard 4-20mA analog output communication or RS-485 digitalcommunication. Aluminum and stainless-steel enclosure gives an excellent RFI andEMC compatibility.

    Features

    • Various sensors can be applied
    • Easy operation with a magnetic bar
    • Large digital LCD display with a blue backlight
    • Explosive proof structure
    • Water/dust proof structure
    • Automatic calibration function by simply applying gas
    • Long-distance transmission by 4-20mA output
    • Relay contact output signal

    Specifications

    Category Details
    Measuring Type Diffusion
    Measuring Gas – Combustible (Catalytic, IR)
    – Toxic (Electrochemical cell)
    – Oxygen (Galvanic)
    Measuring Range – Combustible: 0–100 %LEL
    – Toxic: Refer to sensor list
    – Oxygen: 0–30 %VOL
    Sensor Life Time ≥ 2 years
    Response Time – Combustible: < 15 sec @ 90% scale
    – IR: < 30 sec @ 90% scale
    – Others: Refer to sensor list
    Accuracy ± 3% Full Scale
    Resolution – Combustible: 1 %LEL
    – Toxic: Refer to sensor list
    – Oxygen: 0.1 %VOL
    Parameter Control Front 3 magnetic switch (calibration, maintenance, alarm setting)
    Operation Mode Display Visual: LCD alarm display, LCD Backlight, Indicator LED, Audible/Buzzer (90dB at 10 cm)
    Measuring Value Display Digital LCD display (4-digit)
    Alarm Display Visual: LCD alarm display, LCD backlight, Indicator LED
    Alarm Output Signal Relay contact (max 30VDC, 5A), 1 alarm, 1 fault
    Alarm Level Set Programmable within detection range
    Output Signal Analog 4–20 mA / Digital RS-485 (Optional)
    PC Interface RS-485 (Optional)
    Cable/Distance – (4–20 mA & Power): CVVS 1.5sq × 3W / 200m max
    – RS-485: UL2919 RS-485 (1 pair, 1,200m max)
    Conduit Connection PT 3/4″ (2-Way)
    Mounting Type Wall Mount
    Alarm Type Alarm value (1, 2 alarm), Alarm time (instant ~1–30 min), Alarm dead band, output on/off
    Operating Humidity 5 to 95% RH (Non-condensing)
    Operating Temperature -40 to +60 °C
    Material Aluminum, Stainless Steel (STS 304)
    LCD Size 55(W) x 30(H) mm
    Dimensions 150(W) x 165(H) x 110(D) mm
    Weight Approx. 1.6 kg
    Approval EX d IIC T5 (IP65), IECEx, CE, EMC, ATEX, TR CU, CPA, CNEx, Inmetro, Peso, etc.

    Applications

    • The oil and gas industries are dominated by Petrochemicals.
    • Industrial Manufacturing Plants.
    • Confined Spaces and Warehouses.
    • Cold Storage, Breweries and Food Plants.
    • Battery Rooms, Labs and Medical Facilities

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