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SENKO SP12C7 Operating Manual

Portable 4 gas detector
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MODEL: SP12C7
(Portable 4 gas detector)
Operating Manual

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Summary of Contents for SENKO SP12C7

  • Page 1 MODEL: SP12C7 (Portable 4 gas detector) Operating Manual...
  • Page 2 Guarantee and Repair Senko Co., Ltd. guarantees the products of SP series for 24 months from the shipping date and repairs or replaces the defected product during warranty period at no cost. Nevertheless, Senko is not responsible for the following cases...

  • Page 3: Table Of Contents

    Contents of Operating Manual Product Specification ----------------------------------- Names of Exterior and Display --------------------- Start and End of Operation --------------------------- 05 Operation Method ----------------------------------- Backlight ----------------------------------------------- Start and End of Sensor ------------------------------- Calibration ------------------------------------------------- Method of Alarm Set and Display ----------------- Battery &...

  • Page 4: Product Specification

    1. Product Specification(SP12C7) MODEL SP12C7 Detecting Gas Detecting Range 0~30%Vol 0~500ppm 0~100ppm 0~100%LEL Sensor Type Electrochemical Electrochemical Electrochemical Catalytic Sampling Method Diffusion Display Digital LCD Audible Alarm 90dB Visual Alarm Red LED Vibrator Alarm Vibration Alarm Power Alkaline battery 2EA, Rechargeable NI-MH battery pack Applicable -20℃...
  • Page 5 2. Names and Functions of Exterior 1. Gas sensor 6. Alarm LED 2. Buzzer 7. Fastening clip 3. LCD display 8. Type label 4. On/Off Key 9. Charging contacts 10. Battery pack LCD display symbols...

  • Page 6: Start And End Of Operation

    3. Start and End of Operation Instrument Power-On Press Power key for 3 seconds, and power is turned on displaying 3, 2, and 1 in order on the monitor. (Power won’t turned on, if pressing the Power key is stopped before 3 seconds) Afterwards during the instrument is being stabilized, it displays consecutively A1 &...

  • Page 7: Operation Method

    4. Operation Method Detection Mode The instrument is converted to Gas Measure Mode as below, when power is turned on. Gas Measure Mode indicates the concentration of gas and the remained capacity of battery on LCD, and it displays the gas concentration of Oxygen by %, Inflammable Gas by %LEL, H2S and CO Gas by ppm units.
  • Page 8 If you press Arrow key, the number moves upward, and the 3rd number blinks and moves the position by pressing Power key. After completing the change of the last number and enter the Power key, icon blinks with 0.5 second alarm sound if the password is correct. As previously explained, the program moves to Calibration Mode by pressing Move key, and moves to Alarm Set Mode by Power key.

  • Page 9: Start And End Of Sensor

    5. LCD Backlight LCD Backlight At the state of Gas Detection Mode indicating the concentration of 4 kinds of gases simultaneously, LED Backlight is turned on by the short press on Arrow key, and it is turned off by pressing again once more.

  • Page 10: Calibration

    4 sensor, calibration starts automatically. <Caution> Senko Co., Ltd. performs the initial calibration before the shipment. Incorrectly calibrated value can reduce the accuracy of the product, as the calibrate d value is stored in the instrument. Calibration is in general to be performed...
  • Page 11 <Caution> Fresh Gas Calibration should be performed at the environment of fresh air without any influence of other gases, since the calibration is performed on the assumption that the concentration of Oxygen is 20.9%, that of Inflammable Gas is 0%LEL, and the concentration of Toxic Gas is 0ppm in the fresh air. Accordingly it is not recommended to perform Fresh Air Calibration at the closed space, and it should be avoided to perform the calibration where gases can be inhaled by operators.

  • Page 12: Method Of Alarm Set And Display

    Concentration of Calibration Gas set at Instrument Carbon Hydrogen Combustible Oxygen monoxide Sulfide 50%LEL Concentration 18%vol 100 ppm 25 ppm In the event that calibration fails, it would not convert to Gas Detection Mode, blinking the mark with alarm sound. In this case, calibration of the sensor or aftercare of the instrument is required.
  • Page 13 Alarm Set of Each Gas A1 icon blinks, when Power key is pressed at Lock Blink Mode. It will be converted to A1 Alarm Mode by pressing Power key, and the blinking icon will be alternated in the sequence of A2, TWL, STEL and Password. If you want to approach to each Alarm Value Set Mode, enter it by pressing Power key.
  • Page 14 <Note> In case of Inflammable Gas, it is determined by Alarm Set Mode to display %LEL or %VOL. When %LEL Alarm Value is changed, %LEL is displayed at Calibration Mode. In the event that %VOL Alarm Value is changed, %VOL is indicated at Calibration Mode.

  • Page 15: Battery & Sensor Replacement

    200 ppm 15 ppm 9. Battery & Sensor replacement When you replace the Battery and sensors of SP12C7, you need some instrument and components as below. - Instrument : + driver, wrench(hexagon) - Battery : Energizer No.E91, EN91 or GP rechargeable Battery GP210AAHCB...

  • Page 16: Applicable Battery And External Pump

    2. Replacement of components can be damage to intrinsic safety function. 3. The sensors published by SENKO should be used for replacement. Unsuitable function could be shown if another sensors use for replacement. 4. Disassembly should be necessary only for sensors & battery replacement. After the sensor replacement, the span gas calibration should be done.
  • Page 17 Accessory(Optional) - External Pump (SP-Pump101)s key has the function of On/Off, and the state of operation or trouble of the instrument can be recognized by LED lamp. When the leakage measurement or the measurement of concen- tration by inhalation of gas is required, it is available to measure gas concentration and leakage at the pertinent place by connecting the pump to the instrument.
  • Page 18 Operation Flow Chart...
  • Page 19 Operation Flow Chart Calibration & Configuration Flow...

  • Page 20: Notice For User

    12. Notice for User Please use the instrument in the range of the applicable temperature, humidity and pressure that are appropriate for the specification of the product. Using the instrument beyond this range may cause malfunction or glitch of the instrument. . Gas concentration measurement value by the sensor or the instrument can vary according to the environment at site (temperature, pressure and humidity).
  • Page 21 Certificates...

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