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25 

Weight: 

Entire System

:  

4 lbs (1.8kg) 

 

 

 
 

Available PPM1  
Options/Accessories:   

Right angle mounting bracket (-MB) 

 

 

 

 

 

Additional sensor cable length (-SCBL) 

 

 

 

 

 

 

Note: Specify length to 500 ft. max. 

 
 
 

Model PPM2: 
 
 

Power Requirements: 

Battery Powered, 2 gel cells (12 VDC) in series 

Battery Charger included  

(115/230Vac to 24Vdc)  

 

 

 

 

 

Nominal Operating Time:  8 to 10 hours 

 
 

Standard Cable: 

 

6 feet (1.8 meter) 

 
 

 
Dimensions:                      

Carry Case (LWD):  19 in (48cm) X 14 in   

 

 

 

 

 

 

 

(36cm) X 7 in 18cm) 

 

 
Weight: 

 

 

Entire System

: 

15 lbs. (6.8kg) 

 

 
Available PPM2 Optional Configurations: 
 

MODEL 

APPLICATION 

DESCRIPTION 

 

PPM2 

– FV 

 

Positive Pressure 

A portable battery 
powered trace moisture 
analyzer with built-in 
Flow Valve 

 

PPM2 - VP 

 

Atmospheric Pressure  

or Vacuum 

A portable battery 
powered trace moisture 
analyzer with built-in 
Vacuum Pump 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
 

Содержание PPM1

Страница 1: ...nalyzer OPERATORS MANUAL 19 Brigham Street Unit 8 Marlborough MA USA 01752 Tel 508 263 5900 800 276 3729 Fax 508 486 9348 E mail h2o edgetechinstruments com www edgetechinstruments com Tel 508 263 590...

Страница 2: ...required 7 Wire and plug in the RS 232 connector if required 8 Replace the outer cover Do not over tighten the screws 9 Connect Sensor to dry gas source Allow system time to dry out 10 Turn on the Po...

Страница 3: ...Wiring 10 4 3 1 Sensor Connections 10 4 3 2 Power Connections 10 4 3 3 Analog Outputs 10 4 3 4 Alarm Relays 10 4 3 5 RS 232 Serial Port 10 5 0 Operation 5 1 Startup 12 5 1 1 Dry Down Phase 1 12 5 1 2...

Страница 4: ...s 23 7 0 Specifications 24 8 0 Appendix 26 8 1 PPM1 Mounting Dimensions 26 8 2 Sensor Dimensions 27 8 3 Warranty 28 8 4 Notes 29 8 5 Basic Humidity Definitions 30 LIST OF ILLUSTRATIONS 3 1 Phosphorous...

Страница 5: ...want you to be entirely satisfied with your instrument The information contained in this manual will get you started It tells you what you need to get your equipment up and running and introduces its...

Страница 6: ...mable Alarm Relays and also provides information to the Digital Display and Analog Outputs A microprocessor controls all data processing and input and output functions of the Instrument ensuring a hig...

Страница 7: ...c cell the rate of gas flow must be carefully Figure 3 1 The Phosphorous Pentoxide controlled by the user for P2O5 Moisture Sensor accurate measurements this cell is independent of gas flow rate Altho...

Страница 8: ...nstrument is programmed for the following standard conditions These may be field modified by the user by using the RS 232 serial port See the Operation section for complete programming information Dig...

Страница 9: ...holes as the cover screws They must have a head diameter that is small enough to fit inside the clearance holes but large enough to press against the collar located at the bottom of the holes No 8 pan...

Страница 10: ...nnected to the terminal marked CH GND 4 3 2 POWER CONNECTIONS Power is supplied by a user furnished unregulated DC power supply Voltage range may be between 18 and 30 VDC at 100 mA maximum Connect the...

Страница 11: ...11 Figure 4 1 PPS1 PPS2 Wiring Connections Digital Display 4 20 mA Output 1 4 20 mA Output 2 Sensor Cable Connections DC Power Connections Alarm Relay K2 Alarm Relay K1 RS 232 Type DB 9 Connector...

Страница 12: ...teps are taken to remove any moisture in advance by following the PHASE 1 dry down procedure much of the moisture desorbed from the surfaces of the sampling system will enter the electrochemical cell...

Страница 13: ...use PVC or other porous tubing Some plastic tubing such as Impolene may be used for gases in the higher ppm ranges For measuring gases in the lower ppm ranges only stainless should be used If readings...

Страница 14: ...You should now see flowing data on your monitor displaying the same information that is shown on the PPM1 or PPM2 Digital Display with a periodic update rate If you do not check your serial port setti...

Страница 15: ...oard Select Value 1 to change ppmv NOTE PRESSING THE SPACE BAR SCROLLS THROUGH ALL THE AVAILABLE SELECTIONS PRESS ENTER TO SELECT THE ONE YOU WANT TO KEEP Press the Space Bar several times to see what...

Страница 16: ...which corresponds to Dew Point in C Again use the Space Bar to scroll through the available options and then use Enter to select the one you want If you wish you can also change the measurement range...

Страница 17: ...for each relay To enter the menu press C for C hange You will then see the window shown below In this example we would like to change Alarm 2 Note that it is now set for Dew Point in C and the relay s...

Страница 18: ...h to We will leave the default F range of 50 0 to 0 0 Next we will program the alarm relay to open when the measurement is above 25 degrees and close when the measurement is below 24 degrees NOTE IT I...

Страница 19: ...19 Next we are asked if we want to Save the Changes and we press Y for Y es Now we can select X for eX it and then A to A ccept the changes...

Страница 20: ...outputs In order to utilize this capability connect the meter in series with one of the analog outputs and the load Observe the correct meter polarity Press the Escape key on your keyboard which will...

Страница 21: ...for E xit and the Hyperterminal window will return to the default mode showing continuous updates 5 4 6 MODIFYING THE RS 232 PORT PARAMETERS Two RS 232 Port parameters may be changed in the field You...

Страница 22: ...seconds which is a convenient rate to watch data updating on the computer monitor See the window on the right Once that is done you only have to press X for eX it and you will be back in the default...

Страница 23: ...ferably should be made of sintered stainless steel A maintenance schedule should be set up to clean or replace the element periodically A clogged filter will retain moisture and slow down the system 6...

Страница 24: ...one minute typical Hysteresis None Temperature Ambient 0 to 50 C Sample Gas 0 to 50 C Electrical Outputs Analog Outputs 2 4 to 20 mA Field Programmable Load 0 to 400 Digital Interface RS 232C bi direc...

Страница 25: ...115 230Vac to 24Vdc Nominal Operating Time 8 to 10 hours Standard Cable 6 feet 1 8 meter Dimensions Carry Case LWD 19 in 48cm X 14 in 36cm X 7 in 18cm Weight Entire System 15 lbs 6 8kg Available PPM2...

Страница 26: ...26 8 0 APPENDIX 8 1 PPM1 MOUNTING DIMENSIONS...

Страница 27: ...27 8 2 SENSOR DIMENSIONS...

Страница 28: ...nual specifications or other literature ii the items have not been misused or abused in any manner or repairs attempted thereon iii written notice of the failure within the warranty period is forwarde...

Страница 29: ...29 Notes...

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