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13 

 

VIII. MAINTENANCE 

The MiniBump instrument is designed to operate at 0.5 liters per minute 
flow rate. For most accurate calibration when using a MiniCal source, the 
flow should be checked and adjusted if necessary. Check the flow using 
a volumetric flow meter connected directly to the output of the 
instrument. 
 
 If the flow needs to be changed simply adjust the flow control 
potentiometer until the correct reading is obtained. To access the 
potentiometer simply remove the top cover of the instrument by pulling 
up on the sides and the two halves will come apart exposing the internal 
workings of the product. Replace the top cover and you are ready to 
calibrate.   
 
Changes in altitude and temperature can cause changes in air density, 
thus affecting the output of the MiniCal source. The output was calibrated 
to STP (standard temperature and pressure) of sea level and 20 °C.  To 
compensate for differences in altitude or temperature from STP, the 
following tables should be utilized: 
 
Note:  Altitude and Temperature are cumulative, i.e., you must correct for 
both factors to obtain the most accurate calibration. 
  
 Altitude Correction Table       

Temperature Correction Table    

Altitude      corrected output    Temperature corrected output 
(in feet)       (multiply by)  

( ° C )    

(multiply by) 

 

   
0          

1.000      

-30               

0.829      

1000    

1.038      

-20               

0.863     

2000    

1.076      

-10               

0.898      

3000    

1.116      

   0               

0.932     

4000    

1.158      

 10               

0.966      

5000    

1.202       

 20               

1.000      

6000    

1.248       

 30               

1.034        

 40               

1.068       

 50               

1.102 

 

(5 PPM @ 3000 feet and 0 C = 5 x 1.116 x .932 = 5.2 PPM actual output) 

        

 

ON/OFF Switch 

The ON/OFF Switch is activated through the front membrane panel.  It is a 

Содержание MiniBump

Страница 1: ...lephone 520 290 2855 Fax 520 290 2860 TollFree 800 737 0223 Email acd goACD com Web www goACD com P N 910 0550 00 Rel IV AdvancedCalibrationDesigns Inc InstructionManual CalibrationGasBumpTester Advan...

Страница 2: ...nstrument correctly can lead to improper testing of your detection system This instrument conforms to the protection requirements of the EC DIRECTIVE 2014 30 EU on Electromagnetic Compatibility EMC in...

Страница 3: ...2...

Страница 4: ...5 Electrochemical Generating Source 5 Alkaline A Batteries 5 Microprocessor Based Circuitry 6 II START UP MINIBUMP SOURCE 7 III NORMAL OPERATION MINIBUMP SOURCE 8 IV START UP MINICAL SOURCE 9 V NORMAL...

Страница 5: ...4...

Страница 6: ...lectrochemically generated gas The Release IV MiniBump instruments are designed to operate at 5 LPM liters per minute Electrochemical Generating Source The electrochemical generating source contains a...

Страница 7: ...wered up the microprocessor checks for what type of generating source is inserted the gas type and concentration as well as if the source is a bump type source and the remaining source life It also mo...

Страница 8: ...ll begin running With a bump source installed the unit will run for an additional 20 seconds providing a bump of output gas to drive the connected sensor into alarm after which both red and green ligh...

Страница 9: ...rce is consumed If either condition occurs a RED LED will light indicating a non normal condition refer to the Non Normal Operation section that follows The calibration gas is delivered through a smal...

Страница 10: ...ting the unit is ready to calibrate With a MiniCal source installed the unit will continue to run in this state generating the concentration and type of gas specified by the generating source installe...

Страница 11: ...as is delivered through a small flexible hose attached to the source manifold cap The hoseis placed over around or in front of the gas sensor Alternatively the detector can be placed directly in front...

Страница 12: ...oved the RED LED will light continuously If the depleted source condition occurs during power up the RED LED will remain on for approximately 30 seconds and then the instrument will power down If the...

Страница 13: ...t numbers please refer to the parts list to follow To replace the generating source in the instrument first remove the instrument cap located on the top of the instrument The generating source pulls d...

Страница 14: ...altitude and temperature can cause changes in air density thus affecting the output of the MiniCal source The output was calibrated to STP standard temperature and pressure of sea level and 20 C To co...

Страница 15: ...he MiniBump instrument contain corrosive chemicals While it is not expected that the chemicals in the source or alkaline batteries will leak during normal operation it is recommended that both the sou...

Страница 16: ...e 510 0550 02 Hydrogen Sulfide MiniBump source 510 0570 02 Hydrogen Cyanide MiniBump source 510 0590 02 Hydrogen MiniBump source 510 0401 0x Chlorine MiniCal source specify PPM 1 25 510 0405 0x Hydrog...

Страница 17: ...d Calibration Designs Inc s obligation under this warranty shall be limited to repairing or replacing and returning any product which shall be returned toAdvanced Calibration Designs Inc at its manufa...

Страница 18: ...le electrochemical MiniCal sources and their standard warranty when installed in equipment manufactured and supplied by Advanced Calibration Designs Inc Chlorine Hydrogen Hydrogen Sulfide Hydrogen Cya...

Страница 19: ...anufactured by Advanced Calibration Designs Inc 2024 W McMillan Street Tucson Arizona 85705 USA Phone 520 290 2855 Fax 520 290 2860 Int l Phone 001 520 290 2855 Fax 001 520 290 2860 Website www GoACD...

Страница 20: ...lephone 520 290 2855 Fax 520 290 2860 TollFree 800 737 0223 Email acd goACD com Web www goACD com P N 910 0550 00 Rel IV AdvancedCalibrationDesigns Inc InstructionManual CalibrationGasBumpTester Advan...

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