For doing a BTU/temp rise test on my furnace should the meter dials register be used? Or should correction factor be applied to the meter reading?
Clocking a Gas Meter
My furnace spins the 1/2 cuft dial in 49 seconds, how many BTU is it actually burning?
look at the meter and says what the rate is. 10 CFM at one turn? I find to large of number with long run times. I bring my own diaphragm meter with flex hose and then can rate my own use. To make sure the furnace is running right still must use a flue gas meter
less than 100 PPM CO 6 to 9% O2 and temp of flue gas is a must and then the do not need to clock the gas meter
Bob, is there a mechanism that compares the amount of gas that enters that pipeline circuit and compares it with the amount that is metered and billed. Accounting for losses in the delivery infrastructure must be included in the rates, but I am unsure of the method used to do this. If this "Constant" is only a pressure adjustment, where do the line losses fit in the billing equation?? The constant of 1.092 can create some serious coin for a utility that bills out millions of dollars a month, but meters that read 8% high can create an astounding amount of revenue.
I have metered my LPG use for over 4 years, using an Elster BK-G4 diaphragm meter. I collect hourly cfm data and am able to compare metered use to the "time stamped" delivered amount. The "fudge factor" for this brand new meter has averaged 1.08 with a range from 1.04 to 1.10. When I start the discussion with a gas service provider, the room get very cold, very fast. The delivery trucks are certified twice a year and I am confident that they are as accurate as the pumps that measure my unleaded fuel. Fuel measurements are temperature compensated on delivery and at my meter.
As I am currently on the winning side of this "measurement", I have not pursued a more accurate (expensive) measurement system. However, a natural gas pipeline is now accessible and I am trying to evaluate the cost benefits of installation fees and long term savings. The cost per therm is much less, but connecting costs have been estimated at several thousand dollars (200 feet from building access to main connecting point). Would you include meter accuracy in a cost comparison formula??
As Nat gas or Lp meter get used the vain & bearing get tared up and dirty. I have seen older meter drag down 30-40%. When a meter gets changed the usage going up. Look inside a LP or gas pipe after being used 30 yr. The under ground gas line leak with high water table, the water vabors up in flame but rots all the insides.
This bill has 2 "fudge" factors A) BTU factor most will have a base 970 BTU or what ever is used then when they test the gas burn rate. I was with a group that rated gas BTU and the rate changed from 951 to 1023 BTU some times in 24 hours. Now the higher BTU is mined out better and the sulfer is taken out also. B) "Constant" ask about it Looks the loss rate or leak rate. the compresser( to raze presser) run on gas to so some is used there also less than one persent