Below is a list of frequently asked questions. If you have any other questions, please contact us at or call 888.722.3569.   


Company Questions
Is GPImeters the manufacturer?
No.   We are an authorized stocking distributor of Great Plains Industries and FLOMEC.
Where is GPImeters located?
In Sparta, NJ 

Stock & Order Questions

What series of flow meters do you stock?
We currently stock the full line of the G2, A1, TM and Economy Series meters, plus parts and accessories.
What is the typical lead time to ship?
We ship all stocked meter orders placed by 4:00pm the same day. Otherwise, if not in stock, we will arrange for the factory to ship your order out within 2-3 business days if factory stocked. Air freight orders can ship from the factory the same day with order placement prior to 12:00pm EST. Other orders typically ship from the factory in 1-4 weeks. Please inquire for exact lead times.

Is Shipping Freight Free?
Yes but only for orders placed online to ship via UPS Ground to any state in the continental United States. This excludes Hawaii, Alaska, Puerto Rico or Canada or any freight mode other than UPS Ground service.

Shipments under 1 Lb may ship via US Postal Service at our discretion.

Is there a minimum order amount? 
Yes - $25 per order/shipment

What is the status of my order?
Please check your email for an acknowledgment that is sent out shortly after ordering. If your order is shipping from the factory, there may be a half day delay until you receive your acknowledgment. Otherwise, please contact us for an update on your order status.

Do you stock and sell parts and accessories?
Yes, please inquire for availability.

Can we purchase just the computer LCD display for the turbine meters?
Yes, but only for the G2, A1 and TM Series.
Please see Modules ● Parts  ● Accessories > Computer Displays. If you would like us to program the computer to match your meter body and achieve its potential highest accuracy, please advise us the K/F: number on the side of the body. Allow one extra day for the computer to ship. There is no extra charge for this.

Do you repair the meters?
No. We will arrange for you to ship them to the factory to be evaluated and repaired. We will contact you with the repair costs before shipping them back. We can give an approximate repair estimate when you inquire but the factory will make the final determination of the repair costs after they evaluate it.

Can we return a used meter that just isn’ t the right meter for us?
Used meters are not returnable.

Can the meters be used for fluids with solids?
Our QSE Magmeter can be used for up to 20% solids.
Our QStar Ultrasonic Meter can be used for up to 15% solids. 

We do not recommend metering solids with our turbine or oval gear meters. The fluid should be filtered.

Can we return an unused meter?
Yes, please contact us for restocking charges. Meters must be unused, in original packaging, and with all original documentation.


What if we have a problem with a meter under warranty?
If you purchased the meter directly from us, please contact us and we will troubleshoot your problem as best as we can or put you in touch with the technical group at the factory. If your problem cannot be resolved the factory will either repair the meter if it is defective or replace it.

Flow Meter Questions

How long should the lithium batteries last in the G2, A1 and TM Meters? 
Approximately 9000 hours.
Why does the LCD display not turn off or go to sleep like it used to?
The new computer LCD displays actually use less power than the previous display allowing it to stay on with an extend battery life.
Are turbine meters suitable for metering oil?
Yes, only if the viscosity is under 100 cp (centipoise), the viscosity does not fluctuate, and the oil is compatible with the internal components of the meter. We recommend you do not use turbine meters for oil when the viscosity can fluctuate or if temperature changes occur causing viscosity fluctuations, as inaccurate readings can result. Also, the meter would have to be field calibrated for each change in viscosity. We recommend our OM Series Oval Gear meters that can accurately meter virtually any viscosity up to 1,000,000 cp.
Can the meters be factory calibrated for my specific media?
No. Meters are factory calibrated for 1.0 specific gravity only using a Stoddard solution. The meters can be easily calibrated in the field for your specific media.
Are aluminum meters suitable for metering water?
We recommend you do not use our aluminum body meters for water as corrosion will cause the accuracy of the meter to decline over time.
Which meters work with Deionized (DI) water?
Please contact us if you are working with DI, DM, RO or Ultra-Pure waters. Only a select group of meters work with these waters.
Can you change the Unit of Measure to something other than GPM or LPM?
Yes.  Please contact us for those options.


How do I change the 01A31GM & 01N31GM meters to read in LPM?
How do I change the 01A31LM & 01N31LM meters to read in GPM? 
How do I change any  Economy Meter  by GPI to read in the Alternate Unit of Measure? 
1) Remove the LCD Computer by unscrewing the 4 screws that hold it in place
2) Remove at least one battery from the back of the computer for about 15 seconds
3) Press and hold the Display button while you are reinserting the battery

The Display will now read LTR if it previously read GAL (The meter reverts back to the way it was manufactured if no button is pressed when powering up) 

Note that the Batch and Cumulative Totals will also be reset to 0.0. 

4) Screw the LCD computer back into place making sure to seat the O-Ring properly, just snugging the screws down firmly but not to over tighten them and cracking the corners.
How do I change the 09 Computer Display on Series G2, A1, TM and 03 Meters between GPM and LPM?
1) Press and hold down the Calibrate button
2) While holding down the Calibrate button, press the display button

The display in the upper left corner will change from GL to LT(GL = Gallons, LT = Liters - The TM Series has an additional unit of measure CF = Cubic Feet)


How do I reset the Cumulative Total (TOTAL 1) for the G2, A1 and TM Meters?
1) Remove the LCD Computer by unscrewing the 4 screws that hold it in place
2) Remove 1 battery from the back of the computer
3) Press and hold the Display button
4) While holding the Display button, re-insert the battery

The Cumulative Totalhould now be reset to 0.00. Screw the LCD computer back into place. If the total does not reset to zero, the meter may have been purchased with the request that the User be restricted from clearing the Cumulative Total. Please call if this is the case. 
How do I reset the Batch Total for the G2, A1, and TM Series Meters?
1) Press the Display button until TOTAL 2 BATCH appears on the display
2) Press and hold the Display button for 4 seconds.

The Batch Total should now be reset back to 0.00.
How do I reset the Batch Total for the 01 Series Meters?
1) Press the Display button until TTL1 (Batch Total) appears on the display
2) Press and hold the Display button for 4 seconds.

The Batch Total should now be reset back to 0.00