Sensit HXG-2d Instruction Manual
Combustible gas detector
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INSTRUCTION MANUAL
Read and understand instructions before use.
Intrinsically Safe for Use in
Class I, Groups C and D, T3
Hazardous Locations
710183
UL 913
For use in clean dry areas only.
Suitable for combustible gases such as Methane, Butane,
Propane and Natural Gas
851 Transport Drive • Valparaiso, IN 46383 (USA)
Phone: 219.465.2700 • www.gasleaksensors.com
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Summary of Contents for Sensit HXG-2d
- Page 1 INSTRUCTION MANUAL Read and understand instructions before use. Intrinsically Safe for Use in Class I, Groups C and D, T3 Hazardous Locations 710183 UL 913 For use in clean dry areas only. Suitable for combustible gases such as Methane, Butane, Propane and Natural Gas 851 Transport Drive •...
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Page 2: For Your Safety
WARNING: All Accessories are to be used in an area known to be non-flammable. ⚠ WARNING: Use only sensor from SENSIT Technologies. PN 375-2611-01 NOTE: Performance/Accuracy aspects of this product have not been assessed and are not covered as a... -
Page 3: Table Of Contents
CONTENTS FOR YOUR SAFETY ������������������������������������������������������������������������������������������������� 2 PARTS AND ACCESSORIES �������������������������������������������������������������������������������������� 4 GENERAL DESCRIPTION �������������������������������5 SPECIFICATIONS ����������������������������������������������������������������������������������������������������� 6 SENSOR SPECIFICATIONS ..............................6 PRODUCT SPECIFICATIONS ..............................6 PRODUCT FEATURES ����������������������������������������������������������������������������������������������� 7 SENSOR TYPE ��������������������������������������������������������������������������������������������������������� 9 COMBUSTIBLE GAS SENSOR ..............................9 SENSOR FILTER REPLACEMENT / CLEANING ..........................9 BASIC OPERATIONS �����������������������������������������������������������������������������������������������... -
Page 4: Parts And Accessories
PARTS AND ACCESSORIES STANDARD ACCESSORIES (INCLUDED) 360-00006 Soft Carrying Pouch 360-00105 T10 Torx Wrench 310-00004* Duracell “C”Alkaline Battery (ea) 360-00040 Wrist Strap 750-00022 Instruction Manual ACCESSORIES AND REPLACEMENT PARTS 375-2611-01 LEL Sensor 882-00036 Sensor Cap with Filter Disc 360-00203 Filter Disc Replacement 870-00012 Extension Adapter CALIBRATION KITS... -
Page 5: General Description
The SENSIT ® HXG-2d is designed to detect combustible gases. This instrument incorporates an advanced low power semiconductor sensor to measure a wide variety of combustible gases in both the PPM and %LEL range. The PPM readings auto-range to %LEL when the concentration exceeds 990PPM (2%LEL methane or 4.5%LEL propane). -
Page 6: Specifications
-20° to 40° C (-4 to 104° F) Battery Life: Alkaline: 50 hours continuous The SENSIT ® HXG-2d meets US UL913 requirements when used with Duracell PC1400 batteries, or equivalent alkaline cells. 710183 UL 913 Intrinsically Safe for Use in Class I, Groups C and D, T3 Hazardous Locations For use in clean dry areas only. -
Page 7: Product Features
PRODUCT FEATURES... - Page 8 PRODUCT FEATURES SENSIT ® HXG-2d instruments are constructed of durable high impact ABS to withstand the rigors of field use. Incorporated in the hand grip area is the battery compartment. All SENSIT HXG-2d instruments require 3. ® Duracell PC1400 batteries, or equivalent alkaline cells, provide approximately 50 hours of continuous use.
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Page 9: Sensor Type
All SENSIT ® HXG-2d instruments incorporate a highly sensitive semiconductor type sensor. The function and accuracy of the sensor are monitored and controlled by specialized circuitry and a microprocessor. This sensor is capable of measuring concentrations of 10ppm of methane/propane up to 100% LEL. Factory calibration uses methane or propane depending on preset gas type.. -
Page 10: Basic Operations
BASIC OPERATIONS BATTERY INSTALLATION/REPLACEMENT ⚠ CAUTION: Always change batteries in an environment free of combustible gases. ⚠ WARNING: Do not mix old batteries with new batteries or mix battery types. Battery replacement is necessary when the BAT icon is illuminated and the green LED is flashing. This warning indicates there is approximately 15 minutes or less operational time before the instrument turns off automatically due to insufficient battery power. -
Page 11: Operation And Use
OPERATION AND USE ⚠ CAUTION: Always start any SENSIT® HXG-2d in a gas free environment to insure a proper zero� Push and hold the power button until the display and backlight illuminates. If the display fails to illuminate or the BAT icon is shown on the display, replace the batteries. - Page 12 All instruments read with a resolution of 10ppm up to 990ppm. The scale automatically switch to LEL when 990ppm is exceeded with a resolution of 0.1% LEL. Optionally all readings may be displayed in LEL only. Readings beyond 100% LEL are indicated by “OL”...
- Page 13 10. Following Country, Province, State, Municipal and/or Company procedures move to the areas where gas readings are suspected or must be tested. During sampling the respective readings may change. Audible and visual alarms will activate when the preset limits are reached. 11.
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Page 14: Calibration Check
To verify the accuracy of any SENSIT ® HXG-2d it must be exposed to a known concentration of test gas. Any sensor that does not meet the specifications listed in this manual may require calibration or replacement. Any time it is suspected the SENSIT HXG-2d is not working properly, has read “OL”... -
Page 15: Calibration
NOTE: Use of calibration kits other than those offered or approved by SENSIT Technologies may cause inaccurate readings. Repairs may be required if the instrument fails to calibrate. Use only sensors supplied by SENSIT Technologies or their authorized representative. NOTE: During the calibration process the numbers on the display are not the actual gas concentration. -
Page 16: Sensor Replacement
WARNING: Perform service only in areas known to be non-flammable. ⚠ WARNING: Substitution of components may impair intrinsic safety. ⚠ WARNING: Use only sensor from SENSIT Technologies. Part Number 375-2611-01 STEP 1: Turn off instrument. STEP 2: Remove sensor cap and sensor retainer filter. -
Page 17: Adjustable Features
ADJUSTABLE FEATURES MENU ITEMS RANGE DEFAULT Alarm PPM 100-990 ppm Alarm - LEL 2-60% Show PPM 10PPM Resolution Gas Type Methane or Propane Methane (CH4) NOTE: Older instruments may not support propane gas type. Changing the calibration gas for CH4 (methane) or PRO (propane) While the unit is on and in the working display, press and release the buttons together until the display shows Opt. -
Page 18: Options Menu
OPTIONS MENU The option menu is used to change the unit to show ppm/LEL or LEL only. It is also used to change the alarm point of the unit in ppm or LEL. LEL alarm point is adjustable from 2% to 60%. PPM alarm point is adjustable from 99 to 990 PPM. -
Page 19: How To Change Lel Alarm Point With Lel Readings On Display
HOW TO CHANGE LEL ALARM POINT WITH LEL READINGS ON DISPLAY Press and release the buttons. “Opt” will be shown. Press and release the button. “diS” and “%” will be shown. Press and release the button. “AL” and “%” will be shown. Press and release the button. - Page 20 Press and release the button. “CAL CH4” will be shown. Press and release the button. Unit will return to working display.
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Page 21: Notes
NOTES _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________... - Page 22 NOTES _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________...
- Page 23 NOTES _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________...
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Page 24: Warranty
Your SENSIT ® HXG-2d instrument is warranted to be free from defects in materials and workmanship for a period of two years after purchase (excluding sensor, 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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