ENMET Corporation PO Box 979 Ann Arbor, MI 48106-0979 QUADRANT OPERATION and MAINTENANCE MANUAL 80006-013 October, 1996 Revised January 1997 MCN# 165, 04/14/97 MCN# 171, 05/20/97 MCN# 195, 06/29/98 MCN# 204, 10/20/98 MCN# 210, 03/10/99 MCN# 312, 12/02/03
Table of Contents FIGURE 1 QUADRANT FEATURES ........................................................................................................1 FIGURE 2 QUADRANT OPERATION MENU FLOW CHART............................................................2 FIGURE 3 QUADRANT MAINTENANCE MENU FLOW CHART .....................................................3 1.0 DESCRIPTION .......................................................................................................................................4 1.
Introduction This manual has been written to facilitate the rapid and effective use of the QUADRANT gas detector. The operation section describes in a short and concise manner the operating procedures of the QUADRANT. The maintenance section describes the necessary maintenance and calibration procedures of the QUADRANT. Do Not Neglect To Read The Complete Manual Before Engaging In Field Use Of This Instrument.
ENMET Corporation QUADRANT Oxygen LED Combustible LED Toxic 2 LED LCD Display Toxic 1 LED General Visual Alarm LED (Flashes Either Side of Display) On/Off Combustible Sensor Enter/ Backlight Oxygen Sensor + Advance Toxic 1 Sensor -– Reverse Toxic 2 Sensor (Maintenance Only) Audio Alarm Gas Alarm Pulsates Fault Alarm Steady Tone ATEX / Ex Label Ex The label ATEX/Ex indicates the instrument contains a Nickel Metal Hydride Battery This label will be on both the instrument and the charge b
ENMET Corporation QUADRANT Scrolling display of the gas measurements Combustible (CH4) O2 CO H2S + Date & Time + Battery + Min Cycles through all Min/Max of each + channel Max + STEL CO + STEL H2S + TWA CO + TWA H2S + Cod 0000 E (Bad Code) or wait about 25 seconds (password) To enter password see Maintenance flow chart figure 3 page 3 E = Enter Button + = + Button – = – Button Figure 2 QUADRANT operation menu flow chart 2
ENMET Corporation QUADRANT Scrolling display of the gas measurements Combustible (CH4) Cod 0000 (password) O2 From figure 2 page 2 Auto-Zero (Auto-Set) + E Program E chan XXX + yes no E + + to change channel E E GAS (CH4) E Ran XXX E AL XX E Yes/No E = Yes – = No H2S To input preset password + to increment digit – to move to next digit E ON/OFF CO done Calibrate(calib) + E chan + to change XXX channel E + to put channel in on or off mode LEL E combustible only + to change combustible
ENMET Corporation QUADRANT 1.0 Description The QUADRANT is a portable multi-gas detector. It can simultaneously detect the presence of up to four gases by means of special sensors for each type of gas to be detected. Included are explosive gases such as methane, propane, butane, etc., two toxic gases, carbon monoxide and hydrogen sulfide, and the oxygen content of the air. 1.1 Upon Receipt 1.1.1 Unpack Unpack instrument and examine it for shipping damage.
ENMET Corporation QUADRANT Display An LCD upon which either the gas concentrations or prompts for the operational and maintenance menus are given.
ENMET Corporation QUADRANT Program the program section is for placing channels in the on or off mode and for setting alarm points. The gas displayed on the combustible channel can be changed from this menu also Calibration the calibration section is for calibrating the gas channels of the QUADRANT Change cell the change cell section is for disabling a channel and changing the associated sensor. As part of the procedure, the instrument must be recalibrated after a cell change 2.
ENMET Corporation QUADRANT 3.2.1 Acknowledging Alarms Alarms are acknowledged by pressing the Enter/Backlight button. Activating this button silences the audio alarm and allows viewing of the current gas concentrations, while the visual alarm continues. Exceptions are a fault alarm, low battery alarm and overrange. 3.2.2 Summary of Alarms 3.2.2.1 Gas alarms, instrument in pulsating visual and audible alarm XXX is the numerical gas concentration.
ENMET Corporation QUADRANT HGAM alternated with overrange of combustible gas >100 GAS The sensor is defective or absent GAS faul Calibration is unsuccessful Measurement is too negative GAS used Sensor is worn out GAS CAL Auto -zero is unsuccessful FAULT Lithium battery is worn out Memory loss 8 • recharge the battery -Unacknowledgeable visual and audible alarms in combustible gases -Acknowledgeable visual and audible alarms in oxygen and toxic gases •leave dangerous area and turn off instrument
ENMET Corporation QUADRANT 3.3 Low battery alarm When the battery approaches depletion and approximately 30 minutes use time remain, a pulsating alarm sounds, the battery status display reads “DISCH”, and the audible and visual alarms are acknowledgeable. When the battery energy level is critically low, and battery failure is imminent, the battery status display reads “DISCH”, and the instrument is in continuous visual and audible alarm. The audible alarm is acknowledgeable but the visual is not.
ENMET Corporation QUADRANT 4.0 Field Test the QUADRANT To field test the QUADRANT, enter the operation menu, which is the scrolling display of the gas measurements. Assure the correct field test gas is available, connect the calibration adapter to the cylinder of gas and the QUADRANT calibration cover. Attach calibration cover to instrument (aligning notch in cover with horn opening) and open valve so gas flows gently over sensors.
ENMET Corporation QUADRANT 5.2 Program To program the QUADRANT, enter the program menu (see maintenance menu flow chart on page 3). Select the channel to be programmed. Place the channel on or off mode. The gas displayed on the combustible channel can be selected in this section (see also combustible display). At this point the alarm point can also be set, or use the default alarm point programmed in the instrument. 5.3 Calibration 5.3.
ENMET Corporation QUADRANT 5.4 Sensor replacement To change sensors and oxygen cell, turn instrument off and remove the enclosure cover (6, 2MM hex screws) unplug the sensor or cell and replace with new sensor or cell. Replace enclosure cover. Turn instrument on. Enter the cell change menu (see operation flow chart on page 3). Select the channel with the sensor or cell that has been changed. Allow to stabilize in clean air for 30 minutes. “0 setting” is displayed.
ENMET Corporation QUADRANT 6.0 ENMET part numbers for replacement parts and accessories.
ENMET Corporation QUADRANT 7.0 Warranty ENMET warrants new instruments to be free from defects in workmanship and material under normal use for a period of one year from date of shipment from ENMET. The warranty covers both parts and labor excluding instrument calibration and expendable parts such as calibration gas, filters, batteries, etc... Equipment believed to be defective should be returned to ENMET within the warranty period (transportation prepaid) for inspection.
ENMET Corporation QUADRANT QUADRANT Harness Optional holster assembly. CHEST MOUNT CONFIGURATION FOR QUADRANT HARNESS HOLSTER ASSEMBLY Yellow Neck Loop (Lengthen neck loop and rotate harness 90° for underarm holster mounting configuration) Yellow Loop for Instrument Restraint Black Velcro for Mounting Motorized Sample Pump Yellow Waist Belt Yellow Loop for Holding Sampler Hose Instructions: The shorter strap (Yellow Neck Loop) at the top of the base pad loops around the neck of the user.
ENMET Corporation QUADRANT Notes: 16
PO Box 979 680 Fairfield Court Ann Arbor, Michigan 48106-0979 734.761.1270 Fax 734.761.3220 Returning an Instrument for Repair ENMET instruments may be returned to the factory or any one of our Field Service Centers for regular repair service or calibration. The ENMET Repair Department and Field Service Centers also perform warranty service work.
Repair Return Form Mailing Address: ENMET Corporation PO Box 979 Ann Arbor, Michigan 48106 Phone Number: FAX Number: Shipping Address: ENMET Corporation Attn: Repair Department 680 Fairfield Court Ann Arbor, Michigan 48108 734.761.1270 734.761.
