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Battery Replacement - GPI TM Serie Manual Del Usuario

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MAINTENANCE
Proper handling and care will extend the life
and service of the meter.
Turbine Rotor
The meter is virtually maintenance-free. How-
ever, it is important the rotor moves freely.
Keep the meter clean and free of contaminants.
If the rotor does not turn freely, apply a pen-
etrating lubricant on the rotor, shaft, and bear-
ings. Remove any debris or deposits from the
rotor using a soft brush or small probe. Be care-
ful not to damage the turbine rotor or supports.
CAUTION
Blowing compressed air through the tur-
bine assembly could damage the rotor.

Battery Replacement

The computer display is powered by two 3-volt
lithium batteries which may be replaced while
the meter is installed. When batteries are re-
moved or lose power, the batch and cumulative
totals reset to zero but the field and factory
calibrations are retained.
If the display becomes dim or blank, replace the
batteries as follows:
1. Remove the four Phillips-head screws from
the face of the meter and lift the faceplate
from the turbine.
2. Remove the old batteries and clean any
corrosion from the terminals.
3. Install new batteries. Make sure the posi-
tive post is in the correct position.
4. When the batteries are replaced, the face-
plate will power ON. Check the display to
ensure normal functions have resumed
before assembling again.
5. Reseat batteries, if necessary, and posi-
tion the faceplate on the turbine housing.
To avoid moisture damage, make sure the
O-ring is fully seated. Tighten the four
screws on the faceplate.
6
SPECIFICATIONS
Inlet and Outlet:
Soc Models:
TM050/TM050-P – 1/2" Schd. 40, Soc
TM075/TM075-P – 3/4" Schd.40, Soc
TM100/TM100-P – 1" Schd.40, Soc
TM150/TM150-P – 1-1/2" Schd.40, Soc
TM200/TM200-P – 2" Schd.40, Soc
NPT Models:
TM050-N/TM050-N-P – 1/2" NPT
TM075-N/TM075-N-P – 3/4" NPT
TM100-N/TM100-N-P – 1" NPT
TM150-N/TM150-N-P – 1-1/2" NPT
TM200-N/TM200-N-P – 2" NPT
Design Type: Turbine
Wetted Components:
Housing: PVC
Journal Bearings: Ceramic
Shaft: Tungsten Carbide
Rotor and Supports: PVDF
Retaining Washer: Stainless Steel
Fitting Types: Slip - Schd. 40 Soc or
NPT (female)
Max. Working Pressure: 150 PSIG @ 73°F
U.S. Measurement
Unit of Measure: Gallon
Flow Range:
1/2 inch
1 - 10 GPM
3/4 inch
2 - 20 GPM
1 inch
5 - 50 GPM
1-1/2 inch
10 - 100 GPM
2 inch
20 - 200 GPM
Accuracy with Computer: ± 3.0% (Accuracy
can be improved with field calibration)
Operating Temperature:
Storage Temperature: –40° to +158° F
**
Product Weight:
1/2 inch
.31 lbs.
3/4 inch
.38 lbs.
1 inch
.51 lbs.
1-1/2 inch
.81 lbs.
2 inch
1.14 lbs.
Dimensions - Inches (W x H x L):
1/2 inch
2 x 2.5 x 4.3
3/4 inch
2 x 2.7 x 5.3
1 inch
2 x 3 x 6
1-1/2 inch
2.3 x 3.6 x 7
2 inch
2.8 x 4.1 x 7.5
*
+32° to +140° F
***

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