METER   SELECTION

                    SIZING  A  DRESSER ROOTS  METER

DETERMINE YOUR MAXIMUM HOURLY FLOW RATE IN CUBIC FEET          GAS METERS ARE AVAILABLE IN "COUNTER VERSION".
PER HOUR (1000 BTU'S/HR. OF NATURAL GAS EQUALS 1 CFH), AND         DUAL COUNTER, UNCORRECTED & CORRECTED, TEMPERATURE .     THE PRESSURE AT THIS FLOW RATE. THE BTU INPUT RATING CAN          INTEGRAL BATTERY POWERED   PRESSURE &
NORMALLY BE FOUND ON THE NAMEPLATE.  FIND THE VALUE                 TEMPERATURE CORRECTION.
LARGER THAN YOUR MAXIMUM FLOW RATE IN THE ROW                                                                   OR             
REPRESENTATIVE OF YOUR OPERATING PRESSURE. THE PROPER           SLOW PULSE OUTPUTS, FOR REMOTE TOTALIZING.
METER MODEL HEADS THE COLUMN. (i.e., MAXIMUM LOAD OF                   FAST PULSE OUTPUTS FOR REMOTE RATE & TOTALIZATION.
100,000 CFH AT 100 PSIG REQUIRES A 16M175)
* ROOTS "B3"                      

MODEL
BASE
RATING
8C175
800
11C175
1100
15C175
1500
2M175
2000
3M175
3000
5M175
5000
7M175
7000
11M175
11000
16M175
16000
23M125
23000
38M125
38000
56M175
56000
102M125
102000
P S I G         CORRECTED  CAPACITY  AT  METERING  PRESSURE - IN   MSCFH ,  "THOUSANDS OF CUBIC FEET / HOUR"   
            1 0.84 1.15 1.6 2.09 3.1 5.2 7.3 11.5 16.7 24.0 39.7 58.5 106.6
          10 1.33 1.82 2.5 3.31 5.0 8.3 11.6 18.2 26.5 38.1 62.9 92.7 168.9
          50 3.50 4.81 6.6 8.74 13.1 21.9 30.6 48.1 70.0 100.6 166.1 244.8 445.9
          70 4.58 6.30 8.6 11.50 17.2 28.7 40.1 63.0 91.7 131.8 217.7 320.9 584.5
        100 6.21 8.54 11.7 15.50 23.3 38.8 54.4 85.4 124.3 178.6 295.1 434.9 792.1
        125 7.57 10.40 14.2 18.9 28.4 47.3 66.2 104.1 151.4 217.7 359.6 530.0 965.3
        175 10.3 14.10 19.0 25.70 39.0 64.0 90.0 141.0 206.0 N/A N/A N/A N/A

ROOTS ALSO OFFERS A WIDE SELECTION OF METERS FOR HIGH
PRESSURES, 300 PSIG TO  1440 PSIG!

DO I NEED PRESSURE AND OR TEMPERATURE COMPENSATION?            CALL TODAY:  800-922-8897   

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