Thread: How accurate are servo pumps?

I can find out the real truth if you like... my company has a calibration division that works on the meters used in fuel bowsers (sp?) as well as those measuring the volume from bulk tanks to the truck tanks to the store tanks... anyway, I'm pretty sure they are +/- better than 0.5% and not much better, but I'll find out

Ron

It used to be that "Weights and Standards" a NSW Government agency would go around and randomly check servos using a calibrated vessel of I think 10 litres. Weights and Standards is now under the domain of the Office of Fair Trading and the Standards Laboratory at Lindfield the accredited body.

In this day and age the checking has probably been deregulated.

Are there any servo people out there who may know more.

Diana

I complained to NSW Fair Trading about a certain servo north of Sydney for the same reason ie more than the tank held, and they went out and checked a few days later.
They rang me back saying they found the pumps accurate, but I still wonder if the servo had a "100Kmh" switch like the truckies have.
The servo was 5cents cheaper than anyone else.
Regards Philip A

I also complained (to the servo) about another Woolies Caltex servo. I had been running a particular LPG tank for a couple of years and I alway ran it "dry". I consistently got 54 litres in to it (+/- 0.5 litre). Yet at this Woollies servo on Epping Rd, I got significantly more (about 6 litres). They denied their pump could be faulty.

Originally Posted by Lotz-A-Landies

Ron

It used to be that "Weights and Standards" a NSW Government agency would go around and randomly check servos using a calibrated vessel of I think 10 litres. Weights and Standards is now under the domain of the Office of Fair Trading and the Standards Laboratory at Lindfield the accredited body.

In this day and age the checking has probably been deregulated.

Are there any servo people out there who may know more.

Diana

Yes, one used to see them around a fair bit. I haven't seen them in years.

Are you considering the ammount of fuel in the filler neck, that can hold a bit and (I think) is not included in the tank volume.

Originally Posted by p38arover

I also complained (to the servo) about another Woolies Caltex servo. I had been running a particular LPG tank for a couple of years and I alway ran it "dry". I consistently got 54 litres in to it (+/- 0.5 litre). Yet at this Woollies servo on Epping Rd, I got significantly more (about 6 litres). They denied their pump could be faulty.

Had a similar experience driving from Adelaide to Darwin and back, last year.

Had a few stops where the tank miraculously took about 10 litres more than it was capable of.

Originally Posted by Phoenix

Are you considering the amount of fuel in the filler neck, that can hold a bit and (I think) is not included in the tank volume.

Yep, I considered that (see first post). It doesn't apply to LPG as there is a float operated shut-off valve on the filler port in the tank.