Dostmann Electronic GD 383 User Manual
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Dostmann Electronic GD 383 User Manual

Combustible gas detector
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CONTENT
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Summary of Contents for Dostmann Electronic GD 383

  • Page 1: Table Of Contents

    CONTENT Page 1. GENERAL INFORMATION ------------------ 2. FEATURES ---------------------------------------- 3. SPECIFICATION --------------------------------- 4. OPERATION GUIDE --------------------------- 5. PART & CONTROL ------------------------------ 6. GETTING STARTED ---------------------------- 6-1 Installing Batteries---------------------------- 7 6-2 Automatic Circuit/Reset Feature--------- 8 6-3 Feature Sensitivity Adjustment---------- 9 7. OPERATING PROCEDURE ----------------- 8.

  • Page 2: General Information

    COMBUSTIBLE GAS DETECTOR 1. GENERAL INFORMATION Thank you for purchasing Combustible Leak Detector. Read though the instruction manual before operation for correct and safe usage. Please store and retain this instruction manual for future reference. 2. FEATURES Combustible Leakage Detector is extremely useful as a general purpose tool in any environment where gasoline, propane, natural gas or fuel oil is used.

  • Page 3: Specification

    COMBUSTIBLE GAS DETECTOR § Search for arson residue (detects accelerants). § Detect fuel in marine bilges. § Check manholes/sewers for safety. § Check for cracked heat exchangers. § Detect solvent residue. 3. SPECIFICATION Detectable Gases: Gasoline, propane, natural gas or fuel oil. Alarm Method: Buzzer, Tricolor LED bar Indicator.

  • Page 4: Operation Guide

    COMBUSTIBLE GAS DETECTOR Storage Temperature & Humidity: -10 ~60 °C, < 70% RH Altitude: < 2000M (6500’) 4. OPERATION GUIDE (1) The combustible leak detector unit is not equipped with anti-explosive designs and measures. Do not use this unit in the environment with the burnable gases. (2) There are some environmental conditions that might cause error reading: §...

  • Page 5: Part & Control

    COMBUSTIBLE GAS DETECTOR 5. PARTS & CONTROL 5-1 Panel Description COMBUSTIBLE GAS DET ECTOR ○,...
  • Page 6 COMBUSTIBLE GAS DETECTOR ○, ○, Sensor Sensor Protector ○, ○, LED Leak Indicators Sensitivity Lo Button ○, ○, Sensitivity Hi Button Low Battery Indicator ○, Power On/Off & Reset Button ○, ○, Battery Cover Battery Cover Screw 5-2 LED Leak Indicator Definition:...

  • Page 7: Getting Started

    COMBUSTIBLE GAS DETECTOR 6. GETTING STARTED 6-1 Installing Batteries § Loose screw remove battery compartment door located on the bottom of the instrument as shown below (Fig.1). § Install 4 “AA” size alkaline batteries. § Reinstall the battery cover by aligning it with the handle.

  • Page 8: Automatic Circuit/Reset Feature

    COMBUSTIBLE GAS DETECTOR 6-2 Automatic Ambient Reset Feature This combustible leak detector features an Automatic Ambient Reset function that sets the unit to ignore ambient concentrations of combustible. § Automatic Ambient Setup - Upon initial power on, the unit automatically sets itself to ignore the level of combustible present at the tip.

  • Page 9: Feature Sensitivity Adjustment

    COMBUSTIBLE GAS DETECTOR 6-3 Feature Sensitivity Adjustment The Instrument provides two levels of sensitivity. When the unit is switched on, it is set to the high sensitivity level by default. § To change the sensitivity, press the key. When the key is pressed, the visual display will momentarily show the two left LED's (green) indicating Low Sensitivity level is selected.
  • Page 10 COMBUSTIBLE GAS DETECTOR l How to Find Leaks? NOTE: A sudden whipping of the leak detector probe or "blowing" into the sensor tip will affect the air flow over the sensor and cause the instrument to alarm. (1) Power-Up & Reset function key: key turns the combustible leak detector instrument ON or OFF and reset function.

  • Page 11: Replacing New Sensor

    COMBUSTIBLE GAS DETECTOR possible leak source. § Slowly move the probe past each possible leakage point. § When the instrument detects a leak source, the audible tone will alarm. Additionally, the visual indicators will light from left to right; Green LED then Orange LED then Red LED (highest concentration) as increasing of level indicate that the location is close to the source.
  • Page 12 COMBUSTIBLE GAS DETECTOR water droplets, vapor, oil, grease, dust and any or all other forms of contaminant. Furthermore, to ensure good working condition of the unit, sensors must be replacement periodically when its operative life is over. WARNING! When replacing new sensor, the worn-out sensor may be HOT!! (1) Remove cone cap cover from the tip of snake tube.

  • Page 13: Cleaning

    COMBUSTIBLE GAS DETECTOR 9. CLEANING: The Instrument plastic housing can be cleaned with standard household detergent or isopropyl alcohol. Care should be taken to prevent the cleaner from entering the instrument. Gasoline and other solvents may damage the plastic and should be avoided. WARNING! The detergent or isopropyl alcohol might damage the sensor, please keep then from the...

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