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Sensit GOLD EX/CO+1200 Instruction Manual

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INSTRUCTION MANUAL
SENSIT
EX/CO+1200
Gas Detection Instrument
For use with combustible gases, fitted for carbon
monoxide and air free CO readings
Read and understand
instructions before use.
7WA6
Approved UL913, For Class 1,
Division I, Groups C & D
hazardous locations when used
with approved batteries.
Warning: To prevent ignition of flammable
or combustible atmospheres, disconnect
power before servicing.
®
851 Transport Drive • Valparaiso, IN 46383 (USA)
Phone: 219.465.2700 • www.gasleaksensors.com
GOLD

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Summary of Contents for Sensit GOLD EX/CO+1200

  • Page 1 INSTRUCTION MANUAL SENSIT GOLD ® EX/CO+1200 Gas Detection Instrument For use with combustible gases, fitted for carbon monoxide and air free CO readings Read and understand instructions before use. 7WA6 Approved UL913, For Class 1, Division I, Groups C & D hazardous locations when used with approved batteries.

  • Page 2: For Your Safety

    1000ppm) or exhaust gases. Continuously low calibration check results or fluctuation of zero readings may indicate sensor end of life or failure. Consult Sensit Technologies with any questions. For best accuracy always zero in clean air environments similar in temperature and relative humidity to the environment where the instrument will be used.

  • Page 3: Table Of Contents

    CONTENTS Preparation For Your Safety .............. ii Contents ..............3-4 Parts and Accessories ...........5 General Description ............6 Sensor Specifications ............7 Product Specifications ...........7 Product Features ............. 8-10 Sensor Types and Pumps ...........11 Basic Operation Battery Installation/Replacement .........12 Operation and Use ..........13-17 Calibration Check ............18 User Menu and Detailed Operation User Menu / Function Descriptions .......

  • Page 4: Contents

    CONTENTS Tests and Calibration Bump Test ..............27 O2 Test ................28 Smart-Cal ..............29 Autolog ................30 CO Test and How to Conduct a CO Test .....31 Show and Print CO Test ..........32 CF Test and How to Conduct a CF Test ....33-34 Show a CF Test ............35 Print a CF Test .............36 Calibration Notes ............37...

  • Page 5: Parts And Accessories

    PARTS AND ACCESSORIES Standard Accessories (Included) 872-00001 Hard Carrying Case 360-00040 Wrist Strap 870-00018 Extra Sensor Cap with O-Rings 883-00023 Hot Air Probe Assembly 883-00015 Confined Space Probe with Tubing 873-00027 Permanganate Filter 750-00067 Instruction Manual 310-00004 3”C” Alkaline Batteries Accessories and Replacement Parts 870-00018 Sensor Cap with O-Rings...

  • Page 6: General Description

    The SENSIT® GOLD fitted for EXCO+1200 is designed to detect combustible gases, oxygen content, carbon monoxide and air free CO readings. Each SENSIT® GOLD can be re-configured or upgraded by the manufacturer for an additional charge should your sensing requirements change.

  • Page 7: Sensor Specifications

    Battery Life: Alkaline: 12 hrs. continuous 7WA6 The SENSIT® GOLD instrument is approved by Underwriters Laboratories to UL913, for Class I, Division 1, Groups C & D hazardous locations when used with approved batteries. APPROVED BATTERIES: Duracell MN 1400BK or equivalent alkalines.

  • Page 8: Product Features

    PRODUCT FEATURES LUER PROBE CONNECTOR WATER / DIRT FILTER LEL / PPM SENSOR INFRARED COMMUNICATIONS BACKLIT LCD DISPLAY ALARM LEDs OPERATION BUTTONS TICK ADJUST KNOB FLEXIBLE GOOSENECK BATTERY COMPARTMENT...
  • Page 9 PRODUCT FEATURES SENSIT® GOLD instruments are constructed of durable ABS plastic to withstand the rigors of field use. Incorporated in the hand grip area is the battery compartment. All SENSIT® GOLD instruments require 3 “C” type alkaline batteries. APPROVED BATTERIES: Duracell MN 1400BK or equivalent alkalines.
  • Page 10 Below the display is a series of LEDs that are preset to indicate combustible gas concentrations. The red LED on the right side will flash during any alarm condition. There are 3 operational button pads on the front of all Sensit®Gold instruments. BUTTON (A) POWER/MUTE Operates POWER and MUTE features , exits menu items, and accesses SMART-CAL mode.

  • Page 11: Sensor Types And Pumps

    0-2000ppm. All gases are displayed simultaneously on the display. The Pump The SENSIT® GOLD instruments are equipped with a powerful and efficient rotary diaphragm pump. A water/dirt filter is incorporated as part of the sensor cap, located at the end of the gooseneck. This is the primary filter helping to protect the sensor and instrument.

  • Page 12: Battery Installation/Replacement

    BATTERY INSTALLATION/REPLACEMENT Battery replacement is necessary when the display reads BAT LOW, an audible alarm sounds and the green ready LED flashes. When the instrument remains in BAT LOW, a count down will appear starting at 300 seconds (5 minutes) which is the maximum time remaining before shut down.

  • Page 13: Operation And Use

    OPERATION AND USE ⚠ CAUTION: Always start any SENSIT® GOLD in a gas free environment to insure a proper zero. 1. Push the POWER/MUTE BUTTON (A). The following start-up sequence will be displayed. a. Product name and model version number b.
  • Page 14 OPERATION AND USE 5. The display will indicate LEL readings by showing an “L” next to the % symbol. Standard resolution is 0.1% LEL, the equivalent of 50ppm methane. As an option, the instrument is capable of displaying a range of 0.1% LEL up to increments as high as every 2% LEL.
  • Page 15 OPERATION AND USE 9. When sampling high areas or overhead lines the use of the optional extension adapter will allow a broom handle or painters stick to extend the instrument to the area where sensing must be accomplished. This adapter slides onto the battery sleeve and is held in place by the locking nut assembly.
  • Page 16 OPERATION AND USE 11. To disable the alarm, quickly press and release the POWER/MUTE BUTTON (A). To enable the alarm press the same button again. During an alarm the gas that has exceeded the preset alarm point will flash on the display and the HAZARD 3 LED will flash indicating a potentially unsafe condition.
  • Page 17 OPERATION AND USE 13. At any time the operator may save the readings on the display by pressing and releasing the ZERO/SAVE (C) button. This will save all readings for download at a later time. The memory is factory set to store 10 events.

  • Page 18: Calibration Check

    CALIBRATION CHECK To verify the accuracy of any SENSIT® GOLD, it must be exposed to a known concentration of test gas that will test any sensor combination included in your particular model. Any sensor that does not meet the specifications listed in this manual may require calibration or repair.

  • Page 19: User Menu / Function Descriptions

    USER MENU The SENSIT® GOLD has several categories within the User Menu. The first nine fields are standard with all instruments. The last three are only available in certain instrument models when ordered with the Extended Memory option. PRINT MENU:...
  • Page 20 USER MENU NOTE: These additional fields found on certain models ordered with the Extended Memory option. AUTOLOG: Automatic storage of peak gas readings of up to 1,600 events. SHOW CO TEST: Display CO levels recorded during timed test. SHOW CF TEST: Display calculated AIR FREE CO levels recorded during timed test.

  • Page 21: Printing To Optional Ir Printer

    USER MENU OPERATION PRINT MENU From the working display access the menu by pressing and holding the MENU BUTTON (B) until the top line of the display reads USER MENU. The bottom line will read PRINT MENU. Press & release the MENU BUTTON (B) once to enter the menu.

  • Page 22: Power Off - Automatic Shut-Off

    USER MENU OPERATION POWER OFF From the working display access the menu by pressing and holding the MENU BUTTON (B) until the top line reads USER MENU. Press & release the SAVE/ZERO BUTTON (C) until the bottom line displays POWER OFF. Press &...

  • Page 23: Set Clock

    USER MENU OPERATION SET CLOCK From the working display access the menu by pressing and holding the MENU BUTTON (B) until the top line reads USER MENU. Press & release the SAVE/ZERO BUTTON (C) until the bottom line displays SET CLOCK. Press & release the MENU BUTTON (B) once to enter the menu.

  • Page 24: Calibration Log: Show And Print Calibration Log

    USER MENU OPERATION SHOW A CALIBRATION LOG From the working display press & hold the MENU BUTTON (B) until the top line reads USER MENU. Press & release the SAVE/ZERO BUTTON (C) to scroll until the bottom line reads SHOW CAL LOG. Press & release the MENU BUTTON (B) once to enter the menu.

  • Page 25: Session Log: Show And Print Session Log

    USER MENU OPERATION SHOW A SESSION LOG From the working display, press & hold the MENU BUTTON (B) until the top line reads USER MENU. Press & release the SAVE/ZERO BUTTON (C) to scroll until the bottom line reads SHOW SES LOG. Press & release the MENU BUTTON (B) once to enter the menu.
  • Page 26 USER MENU OPERATION PRINT A SESSION LOG From the working display, press & hold the MENU BUTTON (B) until the top line reads USER MENU and the bottom line reads PRINT MENU. Press & release the MENU BUTTON (B) once to enter this menu, SESSION LOG will be displayed.

  • Page 27: Tests And Calibration

    TESTS AND CALIBRATION BUMP TEST From the working display, press & hold the MENU BUTTON (B) until the top line reads USER MENU. Press & release the SAVE/ZERO BUTTON (C) to scroll until the bottom line reads BUMP TEST. Prepare the appropriate certified gas mixture for your instrument model (see proper gas mixtures listed in the Calibration section).

  • Page 28: O2 Test

    TESTS AND CALIBRATION O2 TEST From the working display press/hold the MENU BUTTON (B) until the top line reads USER MENU. Press & release the SAVE/ZERO BUTTON (C) to scroll until the bottom line reads O2 TEST. Apply recommended gas mixture void of oxygen, such as 100% Methane or 100% Nitrogen and press &...

  • Page 29: Smart-Cal

    TESTS AND CALIBRATION SMART-CAL From the working display, press & hold the MENU BUTTON (B) until the top line reads USER MENU. Press & release the SAVE/ZERO BUTTON (C) to scroll until the bottom line reads SMART CAL. Place the instrument into the cradle on the left side of the Smart-Cal Calibration Station.

  • Page 30: Autolog

    TESTS AND CALIBRATION AUTOLOG (Automatically included with every unit that has the optional CF Test feature) With this feature the instrument will automatically save the peak readings of all sensors while the unit is operating in the working display. These peak readings are stored in Events with a maximum capacity of 1,600 events.

  • Page 31: Co Test And How To Conduct A Co Test

    TESTS AND CALIBRATION CO TEST Only available as an option for instruments with CO and the extended memory feature. TO CONDUCT A CO TEST (IF ENABLED): From the work display, press/release MENU BUTTON (B) once, SELECT TEST will appear on the top line of the display. Press/release the MENU BUTTON (B) again to enter the CO test menu.

  • Page 32: Show And Print Co Test

    TESTS AND CALIBRATION TO SHOW A CO TEST: From the work display, press/hold the MENU BUTTON (B) until the top line reads USER MENU. Press/release the SAVE/ZERO BUTTON (C) to scroll until the bottom line reads SHOW CO TEST. Press/release the MENU BUTTON (B) once. CO TEST 1 will appear. This represents the most recent CO test data stored.

  • Page 33: Cf Test And How To Conduct A Cf Test

    TESTS AND CALIBRATION CF TEST Only available as an option for instruments with CO and O2 and the extended memory feature. TO CONDUCT A CF TEST (IF ENABLED) IMPORTANT: Air free CO levels or CF readings are calculated by the instrument based on CO and O2 levels detected during flue gas sampling of gas fired appliances.
  • Page 34 TESTS AND CALIBRATION TO CONDUCT A CF TEST (CONTINUED) If this segment continues to flash during the test period, conditions for a proper test were not possible. In this case any test results are invalid. The display and printout will show N/A for the peak CF reading. The test should be repeated.

  • Page 35: Show A Cf Test

    TESTS AND CALIBRATION TO SHOW A CF TEST From the work display, press/hold MENU BUTTON (B) until the top line reads USER MENU. Press & release the SAVE/ZERO BUTTON (C) to scroll until the bottom line reads SHOW CF TEST. Press &...

  • Page 36: Print A Cf Test

    TESTS AND CALIBRATION TO PRINT A CF TEST From the work display, press & hold the MENU BUTTON (B) until the top line reads USER MENU, the bottom line will read PRINT MENU. Press & release the MENU BUTTON (B) once to enter this menu. Press &...

  • Page 37: Calibration Notes

    SAVE/ZERO (C) button until AUTOZERO is displayed. NOTE: Using calibration kits other than recommended by SENSIT TECHNOLOGIES may cause inaccurate readings. Repairs are required if any sensor fails to calibrate. Consult SENSIT TECHNOLOGIES for details. NOTE: When calibrating, the numbers shown on the display represent the numbers seen by the microprocessor and should not be confused with actual gas readings.

  • Page 38: Manual Calibration

    MANUAL CALIBRATION The following instructions pertain to manual calibration of the Sensit GOLD. If you are using the automatic Smart-Cal Calibration Station, the procedure is different. See the Smart-Cal sections of this manual or consult the Smart-Cal instruction manual. CARBON MONOXIDE (CO) CALIBRATION (100PPM CO/AIR) From the working display press &...

  • Page 39: Combustible Gas Calibration (50% Lel Methane)

    MANUAL CALIBRATION COMBUSTIBLE GAS CALIBRATION (50% LEL METHANE) From the working display press & hold the MENU BUTTON (B) until the top line reads USER MENU. Press & release the SAVE/ZERO BUTTON (C) once, the bottom line will read CALIBRATION. Press &...

  • Page 40: Oxygen Sensor (O2) Test

    POWER/MUTE BUTTON (A) to return to the working display. NOTE: A calibration failure is indicated on the display by BAD CAL. Recalibration should be attempted. Any instrument that does not accept calibration should be taken out of service. Please contact SENSIT TECHNOLOGIES for any needed repairs.

  • Page 41: Using The Smart-Cal Calibration Station

    SMART-CAL CALIBRATION USING THE SMART-CAL CALIBRATION STATION From the working display press & hold the MENU BUTTON (B) until the top line reads USER MENU. Scroll with SAVE/ZERO BUTTON (C) until the bottom line reads SMART CAL. Place the instrument into the cradle on the left side of the Smart-Cal Calibration Station.

  • Page 42: Factory Adjustable Features

    FACTORY ADJUSTABLE FEATURES USING THE SMART-CAL CALIBRATION STATION FEATURE RANGE DEFAULT Session Log 1-100 Purge Time 0-30 Seconds 0 Seconds LEL Reading 0-100% by .1% up to 2% increments %LEL (by 0.1%) LEL or PPM 0-2000ppm by 1ppm or 10ppm Alarm - LEL 1.0%-99% (by 0.1%) 10%LEL...
  • Page 43 NOTES ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________...

  • Page 44: Warranty

    WARRANTY Your SENSIT® GOLD is warranted to be free from defects in materials and workmanship for a period of two years after purchase (excluding calibration and batteries). If within the warranty period, your instrument should become inoperative from such defects, the unit will be repaired or replaced at our option.

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