Product Manual

4
Calibration
The Fill-Rite Series 900 meters can be calibrated for either U.S. gallons or liters. Calibration is
required upon installation, after disassembly, after significant wear or when metering a
different viscosity fluid. Depending on the model, Series 900 meters are factory calibrated in
either U.S. gallons or liters using mineral spirit. Calibration must be done between 6 and 40
GPM (23 and 151 LPM). Meter calibration can be easily changed by following the
calibration procedure. A container of KNOWN volume will be needed for the calibration
procedure. For the 900 Series meter, a five gallon container or larger should be used.
Procedure for Calibration:
1) For the most accurate calibration, install the meter in the application. Fill a container to a
known volume with the liquid to be measured.
2) If meter amount is incorrect, turn calibration screw (item 31) counterclockwise for less
liquid, or clockwise for more liquid.
3) Repeat steps 1 and 2 until calibration is acceptable.
Operating Instructions
For accurate measurement and to prevent meter damage, meter and piping must always be
filled with liquid and free of air. Meter should be calibrated per instructions in this manual
prior to its use.
1) Stop flow of liquid.
2) Reset register to “0”.
3) Meter is ready for use. Start flow of liquid. Do not exceed 50 PSI of line pressure.
Maintenance
Your Fill-Rite 900 series meter should operate virtually maintenance free. Certain
Liquids, however, can dry out while in the meter housing, causing the meter to stop or perform
poorly. If this happens, meter should be thoroughly cleaned.
Cleaning Instructions
Run a flushing fluid through the meter. For a more thorough cleaning, disassemble the meter
per “ASSEMBLY / DISASSEMBLY” section, “Meter Chamber Assembly” subsection. Rinse
all meter components thoroughly. Recalibrate meter following calibration instructions above.
IMPORTANT! If you have purchased this meter as part of
a “Kit”, the meter flange base is drilled with 4 holes. This
allows the meter to be used with 300 and 700 series
pumps. Line the meter bracket up for installation and
insert the bolts in the two holes that align with the
corresponding holes on the pump outlet. Once the meter
bracket is bolted securely in place install the two plugs in
the holes that were not used to prevent moisture from
entering them.
IMPORTANT! When returning a meter for service, it must be triple rinsed and
accompanied by a note stating what chemicals have been pumped through it.
Meters not adhering to these specifications may be refused for service.