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RKI Instruments SC-01 Operator's Manual

Single toxic gas monitor
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SC-01
Operator's Manual
Part Number: 71-0136RK
Revision: P2
Released: 12/28/06
www.rkiinstruments.com

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Summary of Contents for RKI Instruments SC-01

  • Page 1 SC-01 Operator’s Manual Part Number: 71-0136RK Revision: P2 Released: 12/28/06 www.rkiinstruments.com...
  • Page 2 Warranty RKI Instruments, Inc., warrants the SC-01 Single Gas Monitor sold by us to be free from defects in materials, workmanship, and performance for a period of one(1) year from the date of shipment from RKI Instruments, Inc. This includes the instrument and the original sensor. Replacement parts are warranted for one (1) year from the date of their shipment from RKI Instruments, Inc.

  • Page 3: Table Of Contents

    Alarms ............17 Using the SC-01 With the Optional Extender Cable ..... . 21 Data Logging .
  • Page 4 To prevent ignition of a hazardous atmosphere, batteries must only be changed in an area known to be nonhazardous. This unit has not been tested in an oxygen enriched atmosphere (above 21%). 4 • Table of Contents SC-01 Operator’s Manual...

  • Page 5: Introduction

    Using an advanced microprocessor controlled detection system, the SC-01 Personal Single Gas Monitor detects the presence of one of a variety of toxic gasses depending on the sensor installed. The SC-01 has the ability to recognize which sensor is installed so that changing the target gas is as easy as changing the sensor to a different type calibrated sensor.

  • Page 6: Specifications

    • 2.5” W x 5.2” H x 1.2” D (63 mm x 131 mm x 31 mm) Weight • 7.6 ounces (215 g) Operating Temp. & 14°F to 104°F (-10°C to +40°C), below 95% RH (non Humidity condensing) 6 • Specifications SC-01 Operator’s Manual...

  • Page 7: Description

    Description This section describes the components of the SC-01. These components include the SC-01’s protective rubber boot, case, belt or alligator clip, sensor retainer, sensor, LCD, control buttons, infrared (IR) communications port, printed circuit boards, alarm LEDs, buzzer, vibrator, and batteries.

  • Page 8: Protective Rubber Boot

    Figure 2: SC-01 Rear View Protective Rubber Boot A rubber boot installed over the case helps protects the SC-01. The boot allows viewing of the display and alarm lights and access to the control buttons, battery cover, sensor, and belt clip. The sensor must be removed to remove the protective rubber boot.

  • Page 9: Alligator & Belt Clips

    Belt Clip Figure 3: Belt & Alligator Clips The belt clip is used to easily clip the SC-01 on a belt. The alligator clip can be used to attach the SC-01 to clothing or a belt. Teeth in the alligator clip’s jaws prevent the unit from slipping off.

  • Page 10: Sensor

    SC-01 and a diffusion port on the other end that allows ambient air to reach the sensor. The diffusion port on the end of the sensor is protected by two plastic ribs in a cross pattern.

  • Page 11: Printed Circuit Boards

    NOTE: The printed circuit boards contain no user serviceable parts. Alarm LEDs The SC-01 has four red alarm LEDs. They alert you to gas, low battery, and sensor failure alarms. They are located on the front of the SC-01above the display behind a frosted plastic lens.

  • Page 12: Batteries

    Batteries Two AA-size alkaline batteries run the SC-01. At 25°C with no alarms, the alkaline batteries last at least 250 hours. The battery icon on the LCD shows remaining battery life. When the SC-01 detects low battery voltage, a low battery warning is activated.

  • Page 13: Start Up

    Start Up This section explains how to start up the SC-01 and to get it ready for operation. Start-up Procedure 1. Press and briefly hold the POWER button until you hear a beep to turn on the SC-01. All the alarm LEDs turn on for a few seconds, then the vibrator activates briefly.

  • Page 14: Performing A Fresh Air Adjustment

    See “Alarm Indications” on page 17 for a description of the battery alarm indications. 4. The SC-01 is now operating in Measuring Mode and the concentration of the target gas is displayed on the LCD. The backlight turns off after 30 seconds.

  • Page 15: Turning Off The Sc-01

    “FINISH” in the upper left corner of the LCD and return to Measuring Mode. Turning Off the SC-01 1. Press and hold the POWER button for about five seconds to turn off the unit. The buzzer will sound while the POWER button is being pressed before the unit turns off.

  • Page 16: Operation In Measuring Mode

    Normal Operation, Display Mode, and alarm indications. Normal Operation When the SC-01 comes out of its startup sequence, see “Start Up” on page 13, it is in normal operation if no alarm indications are taking place. It is advisable to perform a fresh air adjustment when the SC-01 comes out of its startup sequence as described in “Start Up”.

  • Page 17: Alarms

    See Table 4 on page 32 for the standard alarm point settings. Alarm Indications The SC-01 will sound an alarm, flash its alarm lights, and vibrate when the target gas concentration rises above the Warning level. The SC-01 also sounds an alarm, flashes its alarm lights, and vibrates when the Alarm level is reached.
  • Page 18 Concentration of gas brackets. rises above the full • Unit vibrates once scale of the SC-01. per second. (Or there could be a • Back light turns on. • Alarm light flashes. problem with the unit.) •...
  • Page 19 1. Follow your established procedure for an increasing gas condition. 2. Reset the alarm by pressing and releasing the POWER button after the alarm condition has cleared. 3. Calibrate the SC-01 as described in “Maintenance” on page 34. SC-01 Operator’s Manual Operation in Measuring Mode • 19...
  • Page 20 See “Replacing the Batteries” on page 36” for instructions to change the batteries. Responding to a Sensor Failure Alarm 1. Try to calibrate the SC-01 as described in “Performing a Fresh Air Adjustment” on page 26 and “Performing a Span Adjustment” on page 27 before replacing the sensor.

  • Page 21: Using The Sc-01 With The Optional Extender Cable

    “UNLOCK”. 3. Pull the sensor retainer away from the SC-01 and it will slide out of the SC-01. SC-01 Operator’s Manual...
  • Page 22 11. Insert the plug end of the extender cable into the sensor opening in the SC-01 case and gently push it in until it bottoms out with the plug on the end of the extender cable contacting the sensor socket at the bottom of the sensor opening.
  • Page 23 13. With the extender cable plug and sensor socket partially engaged, push the plug into the SC-01 so that the plug fully engages the sensor socket. This will push the plug in about 1/16” farther than the partially engaged position.

  • Page 24: Data Logging

    USB or serial port, a USB/IrDA adapter cable or a serial/IrDA adapter cable can be used to download data from the SC-01 using a USB or serial port. The downloading software is available from RKI Instruments, Inc. The adapter cables are available from RKI or may be purchased at a computer or electronics supply store.

  • Page 25: Setup Mode

    Setup Mode. Although it will respond to gas in parts of AIR CAL and SPAN CAL, there are no alarm indications. 1. Take the SC-01 to a non-hazardous area and turn it off if it is on. 2. Press and hold the AIR , then press and hold the POWER button.

  • Page 26: Performing A Fresh Air Adjustment

    SPAN CAL, to perform a span adjustment. WARNING: Calibrate the SC-01 in a non-hazardous environment. 1. Find a fresh air environment, an environment of normal oxygen content (20.9%) that is free of toxic or combustible gasses.

  • Page 27: Performing A Span Adjustment

    0.5 LPM (liters per minute) fixed flow regulator with an on/off knob, a calibration cup, and non- absorbent sample tubing. See “Parts List” on page 41 for available calibration kits and calibration kit spare parts. SC-01 Operator’s Manual Setup Mode • 27...
  • Page 28 WARNING: Calibrate the SC-01 in a non-hazardous environment. 1. Before performing a span adjustment, perform a fresh air adjustment as described above in “Performing a Fresh Air Adjustment”. 2. Use the sample tubing to connect the calibration cup to the regulator.The calibration cup has a label on it that indicates the required...
  • Page 29 8. Allow the gas to flow for two minutes. 9. Press and release the POWER button. 10. The SC-01 will attempt to make a span adjustment. 11. If the span adjustment is successful, the LCD will show the following screen before returning to the SPAN CAL screen.

  • Page 30: Updating The Alarm Point Settings

    17. Store the components of the calibration kit in a safe and convenient place. Updating the Alarm Point Settings Entering the ALARM-P menu item allows you to update the SC-01’s alarm point settings. NOTE: The sensor has the standard alarm points saved in it’s memory.
  • Page 31 The following LCD will show the following screen before returning to the ALARM-P screen. ALARM-P The standard alarm point settings for the various models of the SC-01 are listed below in Table 4. SC-01 Operator’s Manual Setup Mode • 31...

  • Page 32: Updating The Calibration Frequency

    1 day to 365 days. To turn the calibration frequency feature off, adjust the frequency down to one day and continue to adjust it down with the AIR button until “OFF” is displayed. 32 • Setup Mode SC-01 Operator’s Manual...

  • Page 33: Entering Measuring Mode

    The last screen in the Setup Mode menu is the START Screen. START When the START Screen is displayed, press and release the POWER button to exit Setup Mode and begin the SC-01’s startup sequence in Measuring Mode. SC-01 Operator’s Manual...

  • Page 34: Maintenance

    Calibration The optimum frequency of calibration depends heavily on how the SC-01 is used. For example, instruments used daily may need to be calibrated weekly or monthly, while instruments that are used only a few times a year may need to be calibrated before each use.
  • Page 35 • The calibration tubing is tubing is connected to the not connected to the correct calibration cup port. correct calibration cup 3. Make sure the SC-01 port. calibration gas value has • The sample gas is not been properly set up to match...

  • Page 36: Replacing The Batteries

    LCD, and the icon will be flashing. NOTE: Use AA size alkaline batteries MN1500 or PC1500 manufactured by Duracell to maintain the CSA classification of the SC-01. To Replace the Batteries 1. Verify that the SC-01 is off.

  • Page 37: Replacing The Sensor

    “UNLOCK”. 3. Pull the sensor retainer away from the SC-01 and it will slide out of the SC-01. 4. If the sensor retainer slides out with the sensor, pull the old sensor out of the bottom of the sensor retainer.
  • Page 38 Sensor Opening Sensor Socket Notch for Sensor Retainer Tab Figure 7: Sensor Opening & Sensor Socket in SC-01 Sensor Figure 8: Inserting the New Sensor 6. With the sensor plug gently touching sensor socket, turn the sensor clockwise or counterclockwise while pushing the sensor very lightly until you feel it drop into place as the sensor plug aligns with the sensor socket and partially engages it.
  • Page 39 7. With the sensor plug and sensor socket partially engaged, push the sensor into the SC-01 so that the sensor plug fully engages the sensor socket. This will push the sensor in about 1/16” farther than the partially engaged position.

  • Page 40: Changing The Sc-01S Target Gas

    “Replacing the Sensor” with a sensor of a different type. For example, if you have an SC-01 for SO2 and you want to change it to detect NH3, just replace the SO2 sensor with a NH3 sensor and calibrate the new sensor if necessary.

  • Page 41: Parts List

    47-1561RK Extender cable, 3 meter, SC-01 47-5026RK Cable, serial/IrDA adapter 47-5027RK Cable, USB/IrDA adapter 49-1120RK AA size alkaline battery (2 required for SC-01) 81-0170RK-02 Calibration cylinder, 5 ppm SO in nitrogen, 58 liter 81-0175RK-02 Calibration cylinder, 10 ppm NH in nitrogen, 58...
  • Page 42 Table 6: Parts List Part Number Description 81-SC01NH3-LV Calibration kit for NH SC-01, 34 liter 81-SC01SO2 Calibration kit for SO SC-01, 58 liter 81-SC01SO2-LV Calibration kit for SO SC-01, 34liter 82-5011RK-SER Downloading kit w/software & serial/IrDA cable 82-5011RK-USB Downloading kit w/software & USB/IrDA cable...

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