MODEL: SP
2
nd
(Portable Single Gas Detector)
Operating Manual
Page 1: ...MODEL SP2nd Portable Single Gas Detector Operating Manual...
Page 2: ...e Weighted Average 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...
Page 3: ...ation 3 Names and Functions of Exterior 4 Start of Operation 5 Operation Method 6 Calibration 7 Method of Alarm Set and Display 9 Applicable Battery and External Pump 12 Battery Sensor replacement 13...
Page 4: ...SP2227 SP2257 SP2277 SP2297 Measured Gas O2 CO SO2 H2 H2S 0 30 0 500ppm 0 1 000ppm 0 20ppm 0 100ppm 0 20ppm 0 100ppm 0 100ppm 0 200ppm Measurement Method Electrochemical Type Principle of Measurement...
Page 5: ...Names and Functions of Exterior LCD display symbols 1 Gas sensor 2 Buzzer 3 LCD display 4 On Off Key 5 Key 6 Alarm LED 7 Fastening clip 8 Type label 1 2 3 4 5 6 7 8 4...
Page 6: ...ith the alarm sound In this case calibration of the sensor or aftercare of the instrument is required Press Power key for 5 seconds and power is turned off displaying 5 4 3 2 and 1 in order on the mon...
Page 7: ...tration value reduces and the alarm stops Even if the operator escapes to a safe area after the alarm alerts the icon of alarm remains on the screen and it will disappear only after confirming the val...
Page 8: ...seconds at the state of pressing Arrow key simultaneously Program will enter to Calibration Mode of Standby State When Calibration starts countdown 10 9 8 3 2 1 continues for 10 seconds and Calibrati...
Page 9: ...rform Fresh Air Calibration at the closed space and it should be avoided to perform the calibration where gases can be inhaled by operators When Standard Gas Calibration starts in case of Oxygen Calib...
Page 10: ...of the administrator of the work site where the instrument is used Alarm Alarm Standard LCD Display Alarm Vibration Display 1st Alarm In Exceeding Alarm Value Set Primarily Displaying Icon Concentrati...
Page 11: ...rimary battery alarm sounds repeatedly at 5 minute intervals when only a bar of battery icon is remained Secondary battery alarm starts right before the end of power and the power source finishes afte...
Page 12: ...ll be changed to Gas Measure Mode with alarm sound and vibration when the countdown finishes When Arrow key is pressed after entering to Alarm Value Set Mode the first digit number will move upward by...
Page 13: ...e used battery should be performed according to the guide of the pertinent country or the work site External Pump Optional key has the function of On Off and the state of operation or trouble of the i...
Page 14: ...be shown if another sensors use for replacement Disassembly should be necessary only for sensors battery replacement After the sensor replacement the span gas calibration should be done Instrument dr...
Page 15: ...Operation Flow Chart 14...
Page 16: ...ment use temperature pressure and humidity If temperature changes sharply during use of the instrument for instance using the instrument at places of far different temperatures between indoor and outd...
