User Manual - Graphic Controls
Contents
1. s Graphic Controls Hs GUARDIAN Y User Manual Intrinsic Safety Certification ETL CLASSIFIED THIS DEVICE CONFORMS TO UL STD 913 CERTIFIED TO CSA STD C22 2 NO 157 Intertek ETL control number 4004813 Only as to the intrinsic safety for use in haz loc Class amp Il Div 1 Groups A B D E F amp G T4 20 C lt Ta lt 50 C Thank You for purchasing the Graphic Controls H2S Guardian This Manual summarizes the device operation Please feel free to contact us if you have any questions The product can be used as a personal safety device It is the User s responsibility to resoond properly to the alarm To ensure the highest level of safety the User is responsible to maintain proper records related to device testing maintenance and service Applicaton Hydrogen Sulfide is a toxic gas that is produced from Sour Gas bacteria waste breakdown processes and various other sources The H2S Guardian measures Hydrogen Sulfide levels Hydrogen Sulfide H S Concentration Guidelines EPA OSHA amp NIOSH published 10 ppm NIOSH Recommended Exposure Limit REL 20 ppm OSHA acceptable ceiling concentration PEL 50 pom OSHA Acceptable max peak concentration 10 min maximum PEL 100 pom EPA Loss of Sense of Smell How the HS Guardian Works An electrochemical sensor behind the sensor inlet drawn in the enclosed diagram creates an electrical signal when H2S is sensed Gas concentration is disolayed in parts per2. AND INSTALLATION OF UNAPPROVED PARTS 3 ROUTINE REPLACEMENT OF PARTS SUCH AS DISPOSABLE BATTERIES RESULTING FROM NORMAL USE OF THE PRODUCT CONDITIONS OF OUR WARRANTY ARE 1 PROPER STORAGE INSTALLATION CALIBRATION USE MAINTENANCE AND COMPLIANCE WITH THE PRODUCT MANUAL AND ANY OTHER APPLICABLE RECOMMENDATIONS OF GRAPHIC CONTROLS 2 GRAPHIC CONTROLS PRE AUTHORIZED RETURN OF PRODUCT RGA 3 RIGHT OF GRAPHIC CONTROLS TO VERIFY PROOF OF PURCHASE AND WARRANTY PERIOD IN THE EVENT OF A GOOD WARRANTY CLAIM WE WILL REPAIR REPLACE OR REFUND THE PURCHASE PRICE PAID FOR THE DEFECTIVE PRODUCT AND IN NO EVENT WILL GRAPHIC CONTROLS BE LIABLE FOR ANY LOST PROFITS LOST BUSINESS LOST USE LOST DATA BUSINESS INTERRUPTION OR ANY INCIDENTAL INDIRECT SPECIAL PUNITIVE OR CONSEQUENTIAL DAMAGES EVEN IF WE HAVE BEEN ADVISED OF THEIR POSSIBILITY THE FOREGOING IS OUR EXCLUSIVE WARRANTY LIABILITY AND YOUR EXCLUSIVE REMEDY RELATED TO ANY DEFECTIVE PRODUCT THE EXPRESS WARRANTIES MADE IN THIS AGREEMENT ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESS IMPLIED OR ORAL AND WHETHER BASED ON CONTRACT TORT INCLUDING NEGLIGENCE STRICT LIABILITY OR OTHERWISE INCLUDING WITHOUT LIMITATION ANY WARRANTY OF FITNESS OR MERCHANTABILITY www graphiccontols com 5 1 800 669 1535 H2SGDWEB 11 27 12 s Graphic Controls HS GUARDIAN Y User Manual Operational Life The Guardian is designed to function for two years beginning after initial customer ac
3. H2S gas Gas detection devices can diverge from factory settings over time for a variety of reasons including gradual chemical degradation of sensors chronic exposure to extreme environmental conditions exposure to over range concentrations etc To Bump Test the detector follow these steps 1 Hold button for 1 second to turn device on 2 Ina clean air environment use 1 4 OD 1 8 ID Tygon tubing attached to the calibration gas cylinder and sensor inlet to flow calibration gas at 0 5L min Note Graphic Controls recommends the use of 15 ppm calibration gas cylinders Only use certified traceable gas cylinders before expiration date 3 When the low alarm level of 10 ppm is reached the LCD will disolay 10 ppm and visual audible vibration alarms will activate When the high level alarm point of 15 ppm Is reached the alarm signals will intensify Bump test is complete 4 If Bump Test fails please follow Calibration procedure 5 Remove flow of calibration gas to device and use as normal www graphiccontols com 3 1 800 669 1535 H2SGDWEB 11 27 12 s Graphic Controls Hs GUARDIAN Y User Manual Calibration Procedure Calibration with 15 ppm H2S is recommended at least every 180 days Gas detection devices can diverge from factory settings over time for a variety of reasons including gradual chemical degradation of sensors chronic exposure to extreme environmental conditions exposure to over range concentrations e
4. calibration service program at 1 800 669 1535 or www graphiccontrols com www graphiccontols com 4 1 800 669 1535 H2SGDWEB 11 27 12 s Graphic Controls Hs GUARDIAN Y User Manual Limited Wananty and Limitation of Liability Graphic Controls warrants that our portable gas detectors Product will be free from defects in material and workmanship for a period of one 1 year beginning on the first day of Initial customer activation or factory recommended activate by date whichever comes first Warranty Period The warranty extends only to the sale of new and unused Products to the original buyer is non transferrable and covers normal use maintenance and storage of the Product If you make a warranty claim you must return the Product to Graphic Controls or an authorized representative freight prepaid and provide a written statement describing the nature and date of failure Graphic Controls will at its sole discretion repair replace or refund the purchase orice paid for the defective product within the Warranty Period Upon receipt of a Product warranty claim we will attempt to resoond and correct any defect within fourteen 14 business days OUR WARRANTY DOES NOT COVER 1 A DEFECT WHICH WE DETERMINE RESULTED FROM AN IMPROPER USE OR APPLICATION OF A PRODUCT 2 PRODUCTS WHICH HAVE BEEN DAMAGED SUBJECTED TO ABNORMAL USE OR OPERATION OR WHICH HAVE BEEN IMPROPERLY INSTALLED OR MAINTAINED OR THE USE
5. million PPM www graphiccontols com l 1 800 669 1535 H2SGDWEB 11 27 12 s Graphic Controls Hs GUARDIAN Y User Manual How to Operate the HS Guardian 2 buttons control the device C Hold for 1 second to turn on If an alarm occurs and you want to mute Oo the sound press this button briefly To turn off hold for 3 seconds To display only maximum concentration measured press this button to MAX hold the maximum value Press again to exit max mode and display real time concentrations How to Maintain the H S Guardian Bump testing is recommended before each day s use in safety critical applications Clean the device with a damp cloth if it gets dirty If the battery ever dies it can be replaced use only Panasonic CR123A batteries See battery replacement procedure WARNING DO NOTSERVICE DEVICE IN A HAZARDOUS ENVIRONMENTA See Diagram at the end of this document for illustration and explanation of detector controls functions and displays www graphiccontols com 2 1 800 669 1535 H2SGDWEB 11 27 12 s Graphic Controls Hs GUARDIAN Y User Manual Bump Test Procedure What is a Bump Test Bump testing refers to a functional test of the device to verify calibration This is accomplished by exposing the device to a known concentration of test gas Please note that a Bump Test does not calibrate the device Calibration is recommended every 180 days to ensure the device will accurately resoond to
6. adout Resolution 1 ppm Accuracy 10 or 1 pom whichever is higher Initial Response Time TOO Response Size Battery Type Battery Life Alam Setpoints Audible Alam Visual Alarm Vibrating Alam Sensor Type Temperature Range lt 5 seconds lt 40 seconds time to reach 90 of full signal 3 2 x 2 2 x 0 86 Lithium Panasonic CR123A replaceable 2 years or up to 5 000 alarm minutes TWA low alarm at 10 ppm and STEL high alarm at 15 ppm 85 dB at 10 cm Red LED Activates at low and high alarm setpoints H2S specific electromechanical 20 C to 50 C 4 F to 122 F Humidity Range 20 90 R H 0 99 intermittent Ingress Rating IP 6 7 www graphiccontols com 9 1 800 669 1535 H2SGDWEB 11 27 12
7. tc To calibrate the detector follow these steps Ns 2 Hold both buttons for 10 seconds to enter calibration mode Press at any time fo exit In a clean air environment outside press to begin the Zero calibration Wait for countdown When zero is complete use 1 4 OD 1 8 ID Tygon tubing attached to the calibration gas cylinder and sensor inlet to flow calibration gas at 0 5L min then press to start cal step Note Graphic Controls recommends the use of 15 pom calibration gas cylinders Only use certified traceable gas cylinders before expiration date The Guardian will then automatically calibrate itself and notify you if calibration is successful Battery Replacement Procedure To replace the battery follow these steps ae Oo Ensure you are not in a hazardous environment Unscrew 4 corner screws on back of device with a Phillips screwdriver Carefully separate top case from back ensure the housing gasket does not come off of corner posts Remove existing Panasonic CR123A battery Insert new Panasonic CR123A battery ensure correct battery polarity Ensure housing gasket Is in place and screw housing halves together Torque to 30 In oz Bump test device to ensure sensor gasket did not get misaligned If bump test fails re calibrate or re open device to ensure gaskets are aligned properly Please contact Graphic Controls with any questions about operating proceduresorto leam more about our factory
8. tivation or factory set activate by date whichever comes first To ensure the highest level of accuracy and safety Graphic Controls recommends to bump test the sensor before each day s use Normal Operating Conditions Temperature 20 C to 50 C 4 F to 122 F Humidity 20 90 R H 0 99 intermittent Contact Infomation Graphic Controls 400 Exchange Street Buffalo NY 14204 800 669 1535 Register your H2S Guardian Gas Detector Thank you for choosing Graphic Controls to fulfill your gas detection needs Please take a moment to register your new product today To register this device 1 Goto our homepage at www graphiccontrols com 2 Select the Guardian Product page 3 Click Register your H2S Guardian from the left hand navigation Benefits of Registration Include e Automatically activate your warranty protection e Optional updates regarding new product enhancements and accessories For more information regarding your new H2S Guardian contact us at 1 800 669 1535 or visit www graphiccontrols com www graphiccontols com 6 1 800 669 1535 H2SGDWEB 11 27 12 s Graphic Controls Hs GUARDIAN Y User Manual GUARDIAN EXTERNAL PA FEA TURES Lanyard Loop with Clip on back Use thisto attach to shirt orother location Sensor Inlet Where the gasis measured keep it clean amp do not puncture the membrane ese red lights will flash when H2S concentration is high enough foran alam LCD Displa
9. y Shows H2S concentration from 0 400 ppm other details in Display diagram Buzzer Speaker Makes beeping noises when an alam is active do not puncture the membrane Power MUTE Button Press amp hold to tum power ON or OFF Pressto mute the buzzerforup to 5 mins MAX Button Pressto make the LCD remain at the maximum H2S concentration measured www graphiccontols com 7 1 800 669 1535 H2SGDWEB 11 27 12 s Graphic Controls Hs GUARDIAN Y User Manual GUARDIAN FRONT DISPLAY GUIDE Battery Indicator Cs Displays when the battery is low HOLD HOLD Displays with a countdown for powenng off or entering calibration mode Hi Hi Displays when the High 159pm alam is exceeded LO LO Displays when the Lowl0ppm alam is exceeded Checkbox 7j Indicates successful zero orcalstep dunng calibration mode Gas Calibration Displays when applying gasin CAL mode PPM PPM Displays when measuring H2S DAYS DAYS At startup indicates of days until calibration due amp End of Life EOL Arrows Yv Displays over MUTE to indicate alam is muted Displays over MAX to indicate max ppm mode on CAL CAL Indicates device isin calibration mode ZERO ZERO Displays as 1 step during calibration to establish 0 ppm status Alam Displays when 10ppm exceeded www graphiccontols com 8 1 800 669 1535 H2SGDWEB 11 27 12 s Graphic Controls H S GUARDIAN O User Manual GENERAL SPEC IHCATIONS Detection Range 0 400 pom continuous re
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