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Sensit HCN Instruction Manual

Hydrogen cyanide analyzer
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INSTRUCTION MANUAL
SENSIT
HCN
®
Hydrogen Cyanide Analyzer
For Models SENSIT HCN
and SENSIT HCN CO
Read and understand
instructions before use.
Warning: To prevent ignition of flammable
or combustible atmospheres, disconnect
power before servicing.
GlobalTestSupply
www.
.com
Find Quality Products Online at:
sales@GlobalTestSupply.com

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Summary of Contents for Sensit HCN

  • Page 1 INSTRUCTION MANUAL SENSIT ® Hydrogen Cyanide Analyzer For Models SENSIT HCN and SENSIT HCN CO Read and understand instructions before use. Warning: To prevent ignition of flammable or combustible atmospheres, disconnect power before servicing. GlobalTestSupply www. .com Find Quality Products Online at:...

  • Page 2: For Your Safety

    Death after 6-8 minutes exposure 3,404ppm Death after 1 minute exposure ppm = parts per million Recent study estimations (Hathaway et al. 1991) 5.6% HCN lower flammable limits in air (percent by volume) 40.0% upper flammable limits in air (percent by volume) GlobalTestSupply www.

  • Page 3: Table Of Contents

    CONTENTS Preparation For Your Safety .............. ii Contents ..............3-4 Parts and Accessories ...........5 General Description ............6 Product Specifications ...........7 Product Features ............. 8-10 Basic Operation Battery Installation/Replacement .........11 Operation and Use ..........12-14 Calibration Check ............15 User Menu and Detailed Operation User Menu / Function Descriptions ......16 Printing to Optional IR Printer ........17 Power Off - Automatic Shut-Off ........18...

  • Page 4: Contents

    CONTENTS Test and Calibration Bump Test ..............22 Smart-Cal ..............23 Preparing For Calibration ........24-25 Hydrogen Cyanide (HCN) Calibration ......25 Carbon Monoxide Calibration ........26 Warranty ............Back Cover GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 5: Parts And Accessories

    PARTS AND ACCESSORIES Standard Accessories (Included) 872-00001 Hard Carrying Case 883-00023 Hot Air Probe (Flue Gase) 873-00005 Dirt and Water/Particle Filter 750-00015 Instruction Manual 310-00004 3”C” Alkaline Batteries 873-00017 External Hydophobic Filter Assembly Optional Accessories and Standard Replacement Parts 873-00008 Replacement Dirt and Water Filter Assembly 870-00004 IR Printer...

  • Page 6: General Description

    The SENSIT® HCN is an advanced state-of-the-art Hydrogen Cyanide (HCN) gas analyzer designed to provide part per million readings from 0-100ppm. The SENSIT® HCN is capable of performing ambient as well as hot or smoldering air samples with its hot air probe and powerful rotary vane pump.

  • Page 7: Product Specifications

    Power Supply: 3 “C” Alkaline Batteries Sensor: Long Life Electrochemical Range: 0-100ppm HCN 0-2000ppm CO* Alarm: Preset 5 ppm HCN Preset 50 ppm CO* Alarm Range: 1-10 ppm HCN 1-300 ppm CO* Warm Up: Approx. 1 Minute Response Time: 90% of reading < 60 sec.

  • Page 8: Product Features

    PRODUCT FEATURES WATER / DIRT FILTER HOT AIR PROBE INFRARED COMMUNICATIONS BACKLIT LCD DISPLAY ALARM LED OPERATION BUTTONS BATTERY COMPARTMENT GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 9 The alarm can be easily heard with the speaker located in the back of the instrument. An infrared Port is located on the right side to allow the SENSIT® HCN instrument to download calibration data and readings the operator has elected to save to the instrument’s on-board memory.

  • Page 10: Product Features

    PRODUCT FEATURES There are 3 operational button pads on the front of the SENSIT® HCN instrument. BUTTON (A) POWER/MUTE operates power and mute features. BUTTON (B) MENU Operates a user menu to calibrate, download and set the clock. BUTTON (C) SAVE/ZERO Activates the save feature and performs a manual zeroing of the sensors.

  • Page 11: 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 BAT LOW is displayed, the instrument has approximately 30 minutes of useful operation time prior to shut off. ⚠...

  • Page 12: Operation And Use

    OPERATION AND USE ⚠ CAUTION: Always start your SENSIT® HCN in a gas free environment to insure a proper zero. 1. Push the POWER/MUTE BUTTON (A). A beep will be heard during any button activation. 2. If the display fails to illuminate or “BAT LOW” is shown on the display, replace or recharge the batteries.
  • Page 13 OPERATION AND USE 4. Prior to use, use your finger to block the inlet of the instrument for 4-5 seconds. The display will read “FLOW BLOCKED” if all seals are intact. During pump flow block, a beep will occur every 2 seconds until the pump restarts and adequate flow is present.

  • Page 14: Operation And Use

    OPERATION AND USE 6. To disable the audible alarm press and release the POWER/MUTE (A) button. To enable the alarm press the POWER/MUTE (A) button again. 7. At any time the operator may save the readings on the display by pressing the SAVE/ZERO (C) button.

  • Page 15: Calibration Check

    CALIBRATION CHECK To verify the accuracy of SENSIT® HCN, 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. A calibration check does not update the calibration due date.

  • Page 16: User Menu / Function Descriptions

    USER MENU The SENSIT® HCN has several user adjustable features in the USER MENU. These include: PRINT MENU: Printing session, calibration, Bar Hole Test logs and accessing Smart-Cal Automatic Calibration Station. CALIBRATION: Calibrate HCN and/or CO and access Smart-Cal Automatic Calibration Station.

  • Page 17: Printing To Optional Ir Printer

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

  • Page 18: Power Off - Automatic Shut-Off

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

  • Page 19: Set Clock

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

  • Page 20: Show A Calibration Log

    USER MENU OPERATION SHOW A CALIBRATION LOG From the working display access the menu by pressing and holding the POWER/MUTE (A) button until the top line of the display reads USER MENU. Press and release the SAVE/ZERO (C) button until the bottom line displays SHOW CAL LOG.

  • Page 21: Show A Session Log

    USER MENU OPERATION SHOW A SESSION LOG From the working display access the menu by pressing and holding the MENU (B) button until the top line of the display reads USER MENU. Press and release the SAVE/ZERO (C) button until the bottom line displays SHOW SES LOG.

  • Page 22: Bump Test

    TESTS AND CALIBRATION BUMP TEST From the working display access the menu by pressing and holding the MENU (B) button until the top line of the display reads USER MENU. Press and release the SAVE/ZERO (C) button until the bottom line displays BUMP TEST.

  • Page 23: Smart-Cal

    TESTS AND CALIBRATION SMART-CAL From the working display access the menu by pressing and holding the POWER/MUTE (A) button until the top line of the display reads USER MENU. Press and release the SAVE/ZERO (C) button until the bottom line displays SMART CAL. Place the instrument into the cradle provided on the left side of the Smart- Cal Calibration Station.

  • Page 24: Preparing For Calibration

    CALIBRATION From the menu options, it is possible to calibrate the sensor in the SENSIT® HCN instrument. Calibration is the process of setting the readings of the instrument to certified calibration gases. When calibrating, the numbers shown on the display represent the numbers seen by the microprocessor.

  • Page 25: Hydrogen Cyanide (Hcn) Calibration

    CALIBRATION. Press the MENU (B). The top line will now read CALIBRATION. HYDROGEN CYANIDE (HCN) CALIBRATION (HCN 10PPM) To calibrate HCN, push the MENU (B) when the top line reads CALIBRATION and the bottom line reads HCN 10 PPM. Immediately apply 10 ppm HCN.

  • Page 26: Carbon Monoxide Calibration

    Calibration will be based on the last successful calibration. Recalibration is recommended. The calibration due date will not be updated until successful calibration has occurred. Any instrument that does not calibrate requires service. Contact SENSIT Technologies for details. CAUTION: Using calibration kits other than the recommended kit may cause inaccurate readings.
  • Page 27 NOTES ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 28: Warranty

    WARRANTY Your SENSIT® HCN is warranted to be free from defects in materials and workmanship for a period of two years after purchase (excluding sensors, 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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Hcn co

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