PureAire Air Check Lite Скачать руководство пользователя страница 10 | Manualshive

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PureAire Air Check Lite Скачать руководство пользователя страница 10

PureAire Monitoring Systems, Inc.

5/25/07

7

2.5 Physical Characteristics

Dimensions:

4.9 (W) x 3 (H) x 3 (D) inches;
125 x 75 x 75 mm

Weight:

1.1 pounds (0.5 kg)

Enclosure Type:

General purpose; not intended for explosive atmospheres.

Installation Options:

Bulkhead fittings for remote sensor installation.

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Содержание Air Check Lite

Страница 1: ...eck Lite Toxic Gas Monitor Instruction Manual PureAire Monitoring Systems Inc 1140 Ensell Road Lake Zurich Illinois 60047 Phone 847 726 6000 Fax 847 726 6051 Toll Free 888 788 8050 www pureairemonitoring com ...

Страница 2: ...roducts and commitment to service will satisfy your specific monitoring needs now and in the future Our growth is a result of our total commitment to supporting our customers We re available 24 hours a day 7 days a week to help you when you need us Our 24 hour Emergency phone number is 1 847 420 3814 We can provide field service preventative maintenance programs and training to your technicians in...

Страница 3: ...ents 7 2 5 Physical Characteristics 8 3 Installation 9 3 1 Site Requirements 9 3 2 Mounting 9 3 3 Sensor Installation 10 3 4 Wiring 11 3 5 Initial Startup 11 4 Normal Operation 12 4 1 Signal Outputs 12 4 2 Instrument Faults 12 4 3 Routine Maintenance Schedule 12 4 4 Loss of Power Indicator 13 5 Maintenance Calibration 14 5 1 Sensor Cell Removal and Installation 14 5 2 Electrolyte Replacement 15 5 ...

Страница 4: ...0 to 100 ppm Chlorine Cl2 0 to 3 ppm Diborane B2H6 0 to 1 ppm Fluorine F2 0 to 1 ppm Hydrogen H2 0 to 4 vol Hydrogen Bromide HBr 0 to 9 ppm Hydrogen Chloride HCl 0 to 15 ppm Hydrogen Fluoride HF 0 to 9 ppm Hydrogen Sulfide H2S 0 to 30 ppm Nitric Oxide NO 0 to 100 ppm Nitrogen Dioxide NO2 0 to 9 ppm Oxygen Deficiency O2 0 to 25 Phosphine PH3 0 to 1 ppm Silane SiH4 0 to 15 ppm 1 1 Key Features The A...

Страница 5: ... gas sensor It threads onto the upper portion of the sensor 4 Gas Sensor An amperometric electrochemical sensor which detects and measures the target gas Different gas sensors are required to detect different gases When exposed to the target gas the sensor outputs an electrical signal proportional to the gas concentration 5 Cable Port This is the opening in the transmitter housing for connecting t...

Страница 6: ...tentiometer This potentiometer is used to adjust the sensitivity of the sensor cell It should only be adjusted when calibrating the instrument 2 Zero Potentiometer This potentiometer is used to adjust the instrument s 4 mA analog output signal to ensure that it is transmitting a 4 mA signal when the instrument is reading a zero concentration 3 Shorting Plug The sensor is shipped with a jumper shor...

Страница 7: ...itoring Systems Inc 5 25 07 4 4 Sensor Connector Female connector plugs into receptacle on sensor cable 5 Threads for Sensor Cover Secure sensor cover onto sensor body 4 Sensor Connector 5 Threads for Sensor Cover ...

Страница 8: ... Cable and Connector Allows remote mounting of sensor Sensor plugs into receptacle on end of sensor cable 7 Sensor Cover This cover protects the gas sensor It threads onto the upper portion of the sensor body 6 Sensor Cable and Connector 7 Sensor Cover ...

Страница 9: ...mA 0 mA on request Sensor removed analog signal drops to 2 mA 0 mA on request Operating Temperature 14 to 113 F 10 to 45 C consult PureAire for lower operating temperatures Humidity Sensor dependent typically 20 to 95 RH consult PureAire for sensors which can operate in 100 condensing RH environments 2 2 Gas Detection System Type Renewable GS DQS electrochemical gas sensor Sensor Life 4 to 5 years...

Страница 10: ... 5 Physical Characteristics Dimensions 4 9 W x 3 H x 3 D inches 125 x 75 x 75 mm Weight 1 1 pounds 0 5 kg Enclosure Type General purpose not intended for explosive atmospheres Installation Options Bulkhead fittings for remote sensor installation ...

Страница 11: ...calibration of the instrument Allow sufficient space around the transmitter to permit access for maintenance and calibration 3 2 2 Sensor IMPORTANT The Air Check Lite must be mounted with the sensor pointed directly down Do not install with the sensor at greater than a 30 angle from vertical The sensor should be installed in a location where gas leaks are likely to occur or where released gases ma...

Страница 12: ... housing Connect the 5 conductor sensor cable to the 5 pin Phoenix connector on the transmitter PCB per the following table NOTE The terminal block may be removed from the printed circuit board to make these connections Be sure to replace the terminal block securely once all connections have been made Sensor Cable Type Wire Color Location 5 Wire Sensor Cable Black White Red Green Yellow or Brown T...

Страница 13: ... Signal Out 4 20mA Output 3 Common Signal Ground 0V IMPORTANT If connecting directly to a 24VDC power source you must use a 100 ohm resistor between pins 2 and 3 to simulate a load Without this resistor the Air Check Lite will not operate properly 3 5 Initial Startup Once installation of the gas detector has been completed it is ready for startup The following procedures should be performed before...

Страница 14: ...cell removed Analog output drops to 2 mA 0 mA on request Electrolyte in sensor low Analog output drops to 2 mA 0 mA on request Power to transmitter lost Analog output drops to 0 mA Transmitter cable cut Analog output drops to 0 mA 4 3 Routine Maintenance Schedule Continuous gas detection systems depended upon to measure and detect hazardous gas leaks in the workplace require periodic maintenance t...

Страница 15: ... Corrective actions If analog signal or digital display is higher than 4 mA in a zero gas condition adjust as required to the environment 4 3 2 Recommended Routine Maintenance Schedule Routine Visual Checks Monthly Electrolyte Replacement Every 6 months Sensor O ring and Membrane Replacement Every 6 months Sensor Calibration Every 6 months Hydrogen cell can operate 1 2 years between recharges 4 4 ...

Страница 16: ...ANT Do not touch the membrane at the bottom of the sensor Oil from your hands or fingers will adversely affect performance 5 1 2 Sensor Installation IMPORTANT Be sure to remove the jumper shorting wire from the sensor prior to installation It is located to the left of the zero and span potentiometers IMPORTANT Be careful not to turn the sensor or touch the membrane on the bottom of the sensor duri...

Страница 17: ...e O ring Sensing Electrode Silicon Sheet 3 Place the sensor over the beaker as shown and pour the old electrolyte into the beaker Some will remain in the sensor until the pressure compensation plug is removed Remove the milli seal covering the plug and then the plug to release the electrolyte into the beaker Pressure Compensation Screw Beaker for Old Electrolyte 4 Hold the sensor in your hand with...

Страница 18: ...ng Systems Inc 5 25 07 15 Sensing Electrode Nozzled Electrolyte Bottle Pressure Compensation Port Electrolyte 5 Wipe the sensing electrode and the surrounding area with a dry paper tissue Sensing Electrode Paper Tissue ...

Страница 19: ... the bead of electrolyte between the electrode and the membrane Enlarged View Mmebrane Electrolyte Bead Sensing Electrode Mmebrane NOTE Do not touch membrane with bare fingers Oil from your fingers may adversely affect performance 9 Place the retainer ring over the membrane and then place the box nut over the retainer ring Turn box nut clockwise until hand tight continue tightening until the box n...

Страница 20: ...ensor in your hand with the electrode down Pour fresh electrolyte in until it reaches the MAX mark max Enlarged View Pressure Compensation Port Nozzled Bottle Electrode Level Mark NOTE MAX level differs from sensor to sensor Membrane Retainer Ring Electrolyte Level Mark Pressure Compensation Port ...

Страница 21: ...nd cover with a new milli seal Pressure Compensation Screw Milli Seal 13 Reinstall the sensor as outlined in section 5 1 2 NOTE When storing the sensor cell never store the sensor cell horizontal with the Pressure Compensation Screw positioned down or store the sensor cell upside down This can cause the electrolyte to leak from the sensor cell pressure compensation screw Pressure Compensation Port...

Страница 22: ...ilable by separate order Calibration Kit Model K I PH3 K II Cl2 K III HCN K IV SO3 K V H2S K VI NH3 K VII HCl K VIII HF Gas generation tubes 1 box 1 box 1 box 1 box Gas generation solution 10 ml 2 bottles 2 bottles 2 bottles 2 bottles Soft paper towels 1 pack 1 pack 1 pack 1 pack 1 pack Gas detection tube 1 box 1 box 1 box 1 box 1 box 1 box 1 box 1 box Gas sampling bags 2 liter 2 2 2 2 2 2 2 2 Gas...

Страница 23: ...rms 2 Remove the sensor as outlined in section 5 1 1 5 3 4 Zero Calibration IMPORTANT This procedure should be performed under normal monitoring conditions without any of the target gas present NOTE PureAire s Meter Adapter p n 690600 is required for non display transmitters This allows you to use a VOM digital multimeter to read the gas concentration display 1 Check the instrument s gas concentra...

Страница 24: ...entration of the calibration gas is the same after calibration as it was before 7 Disconnect the flowmeter and connect the Tedlar calibration gas bag to the inlet side of the sensor adapter 8 Open the valve on the calibration gas bag 9 Insert the sensor into the sensor adapter by pushing the sensor cell into the adapter NOTE Do not twist or screw the sensor into the sensor adapter 1 2 3 VR1 VR4 VR...

Страница 25: ...gas bag and disconnect from the sampling pump 17 Turn the sampling pump off 18 Remove calibration cap from the sensor cell by gently rocking the cap as you pull downward IMPORTANT Do not twist the calibration cap 19 Replace the transmitter housing cover 20 If the transmitter is connected to a controller return the controller to the monitoring mode WARNING Be sure to dispose of the remaining calibr...

Страница 26: ...PureAire Monitoring Systems Inc 5 25 07 23 6 Drawings ...

Страница 27: ...PureAire Monitoring Systems Inc 5 25 07 24 Remote DQS cell holder and mounting bracket P N 650100 Mounting Bracket ...

Страница 28: ...PureAire Monitoring Systems Inc 5 25 07 25 DQS cell Mounted to AirCheck Lite ...

Страница 29: ...PureAire Monitoring Systems Inc 5 25 07 26 Membrane ...

Страница 30: ...PureAire Monitoring Systems Inc 5 25 07 27 24VDC 3 wire is remote up to 1000 meters ...

Страница 31: ...PureAire Monitoring Systems Inc 5 25 07 28 Scrubber Process Flow Cap Assembly 24VDC 3 wire max distance 1 000 meters ...

Страница 32: ...a vertical duct positioned at a 45 o angle from vertical 1 Cut a 2 hole in the duct wall C 2 Mount Bulkhead mounting flange B to the duct wall with self tapping screws 3 Insert cell into the flange B and fasten by turning the cell clockwise Please note the sensor cell is labeled with the proper direction when fastened into the flange Air Flow PureAire Monitoring Systems Inc 557 Capital Drive Lake ...

Страница 33: ...m Chlorine Cl2 0 to 3 ppm Diborane B2H6 0 to 1 ppm Fluorine F2 0 to 1 ppm Hydrogen H2 0 to 4 vol Hydrogen Bromide HBr 0 to 9 ppm Hydrogen Chloride HCl 0 to 15 ppm Hydrogen Fluoride HF 0 to 9 ppm Hydrogen Sulfide H2S 0 to 30 ppm Nitric Oxide NO 0 to 100 ppm Nitrogen Dioxide NO2 0 to 9 ppm Oxygen Deficiency O2 0 to 25 Phosphine PH3 0 to 1 ppm Silane SiH4 0 to 15 ppm ...

Страница 34: ...able to the connector on the sensor cell Note The connector is keyed and only inserts in one direction Insure proper alignment before seating the connector 3 Twist the connector locking ring onto the sensor cell Note When the cell is properly connected the Air Check Lite digital display will and the internal green LED on the transmitter board will illuminate Span Pot Zero Pot Shorting Pin ...

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