GPI GM Data sheet
GM Series Oval Gear Meters are designed
for low flow and high accuracy. GM Series
Meters are great for viscous fluids. Units
are available with pulse output from either
a Reed Switch or Hall Effect Sensor.
Electronics choices for the GM Series
Meters are covered in Section 6.
GM Series
Oval Gear
Meters
GM Series
Oval Gear
Meters
section 3: gm series - oval gear meters
ML-1800-5 Rev. B 03/07
29
Build-Your-Own GM Oval Gear Meter
1) Select Your GM Meter
GM Meters come in a variety of sizes and materials.
Pulse Meter Mechanical Meter
2) Select Your Sensor
GA500
4-20 mA Output
Without Display (Remote)
Reed Switch
(Standard)
Requires Dedicated Power Source
Hall Effect
3) Select Your Electronics Choice
For further details and selections see Electronics Section on page 58.
GG510
Local Display
With Pulse Output
GX500
Display 4-20 mA Output
(Remote)
Pulse Output
30
4) Need a Strainer?
Oval Gear Meters work best with clean fluid, free of debris.
GPI carries Y Strainers to fit all models of Oval Gear Meters. These strainers range from 1/4 in. to 2 in. models.
All sizes come complete with blow-off and plug. See page 73 for strainer specifications.
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03/07 ML-1800-5 Rev. B
GM Series Meter Number Reference
Product Identifier
GM001 = Pulse Meter - 1/8 inch
GM002 = Pulse Meter - 1/4 inch
GM003 = Pulse Meter - 1/4 inch
GM005 = Pulse Meter - 1/2 inch
GM505 = Mechanical Meter - 1/2 inch
GM006 = Pulse Meter - 3/4 inch
GM007 = Pulse Meter - 1 inch
GM010 = Pulse Meter - 1 inch
GM510 = Mechanical Meter - 1 inch
GM015 = Pulse Meter - 1-1/2 inch
GM515 = Mechanical Meter - 1-1/2 inch
GM020 = Pulse Meter - 2 inch
GM520 = Mechanical Meter - 2 inch
Body Material
A = Aluminum (All models except GM007)
B = Bronze (Models GM010, GM015 & GM510)
C = PPS w/Hastalloy C Shafts (Model GM007 only)
H = High Pressure Stainless Steel (Models GM002 & GM003)
I = Intermediate Pressure Stainless Steel (Models GM001, GM002 & GM003)
R = PPS (Models GM002, GM003 & GM007)
S = Stainless Steel (All models except GM006 & GM007)
GM Series dimensions
listed on page 70.
Fitting Type
1 = BSP (Female) Litre
2 = NPT (Female) Gallon
3 = NPT (Female) Litre (Models GM505, GM510, GM515 & GM520)
4 = 150# ANSI Flange Gallon (Models GM010, GM015, GM020, GM510, GM515, GM520 Aluminum & S.S. only)
5 = 150# ANSI Flange Litre (Models GM510, GM515, GM520 Aluminum & S.S. only)
6 = Tri-Clover® Fitting Gallon (Models GM010, GM015 S.S. only)
Sensor
H = Hall Effect (Models GM001, GM002, GM003, GM005, GM006, GM007, GM010, GM015 & GM020)
M = Mechanical Display (Models GM505, GM510, GM515 & GM520 only)
R = Reed Switch (Models GM001, GM002, GM003, GM005, GM006, GM007, GM010, GM015 & GM020)
Rotor Materials
2 = PPS (Models GM002*, GM003*, GM005, GM006, GM007*, GM010, GM015, GM020, GM505, GM510,
GM515 & GM520)
3 = High Viscosity PPS (Models GM005, GM010, GM015, GM020, GM505, GM510, GM515 & GM520)
4 = Stainless Steel (Models GM001, GM002, GM003, GM005, GM010, GM015, GM020, GM510, GM515
& GM520)
5 = High Viscosity S.S. (Models GM003, GM005, GM010, GM015, GM020, GM510, GM515 & GM520)
O-Ring
1 = Fluorocarbon
2 = PTFE
Electronics Choice
1 = Pulse Out - Aluminum (Models GM001, GM002, GM003, GM005, GM010,
GM015 & GM020)
2 = Pulse Out - S.S. (Models GM001, GM002, GM003, GM005, GM010, GM015
& GM020)
3 = Pulse Out - Bronze (Models GM010 & GM015)
4 = Pulse Out - PPS (Models GM002, GM003 & GM007)
5 = GG500 - Standard Display (Models GM001, GM002, GM003, GM005,
GM006, GM007, GM010, GM015 & GM020)
6 = GX500 - 4-20 mA Transmitter with Display (Models GM001, GM002,
GM003, GM005, GM006, GM007, GM010, GM015 & GM020)
7 = GA500 - 4-20 mA Transmitter (Models GM001, GM002, GM003, GM005,
GM006, GM007, GM010, GM015 & GM020)
9 = Mechanical (Models GM505, GM510, GM515 & GM520)
section 3: gm series - oval gear meters
➤
GM001 A 2 R 4 1 1
ML-1800-5 Rev. B 03/07
➤
+ + + + + +
➤
➤
➤
➤
➤
➤
(Sample Model Number)
buy smart.buy value.buy
* Requires PPS body material.
31
GM001 - 1/8” Oval Gear Pulse Meter
Shown here with
Local Display
The GM001 is one of three compact meters
in the Oval Gear Meter line. This meter is
small and accurate. Choose from either
Aluminum or 316 Stainless Steel body
materials, both with stainless steel rotors.
The GM001 can handle a wide range of
fluid viscosities.
A c c u rA c y : ± 1 . 0 % of r e A di n g
Select Your Body Material:
Aluminum
Stainless Steel
Intermediate Pressure Stainless Steel
Features and Benefits:
Up to 1,000 cps viscosity.
¸
Compact, durable and serviceable on-site.
¸
Extremely accurate even with viscous fluids.
GM001 - SPECIFICATIONS
Fitting Type: BSP or NPT (Female)
Sensor Options:
Rotor Material:
O-Ring:
(Optional)
Output Options:
Display Options:
Local Display with 4-20 mA Output
Flow Range:
Flow Range @ < 5 cps:
Accuracy:
Repeatability:
Maximum Viscosity:
Pressure Rating:
Aluminum:
Stainless Steel:
Intermed. Pressure SS:
Maximum Temperature:
Aluminum:
Stainless Steel:
Intermed. Pressure SS:
Typical K-Factor:
Wetted Mat’l. - Housing:
Aluminum:
Stainless Steel:
Intermed. Pressure SS:
Wetted Mat’l. - Bearings:
Wetted Mat’l. - Shaft:
Frequency Range:
Recommended Strainer Size:
Shipping Weight (approx.):
Aluminum:
Stainless Steel:
Intermed. Pressure SS:
Remote Display:
Remote Transmitter:
Reed Switch or Hall Effect Sensor*
316 Stainless Steel
Fluorocarbon (Std.), Perfluoroelastomer
Pulse Out or Local 4-20 mA Transmitter
Local Display
0.13 - 13.2 GPH (0.5 - 50 LPH)
0.528 - 13.2 GPH (2 - 50 LPH)
± 1.0% of reading
± 0.03%
1,000 cps
75 PSI / 5 BAR
150 PSI / 10 BAR
800 PSI / 55 BAR
176°F / 80°C
248°F / 120°C
248°F / 120°C
5855.4 PPG / 1547 PPL
Aluminum with PPS Cap
316 Stainless Steel
316 Stainless Steel
Sapphire
316 Stainless Steel
0.2 - 21.5 Hz @ 0.13 - 13.2 GPH
200 mesh
1.0 lbs. (0.45 kg)
2.0 lbs. (0.91 kg)
2.0 lbs. (0.91 kg)
Option Available: Model GG500
Options Available: Models GA500 & GX500
Meter design minimizes the number of wear-
¸
able parts – extending product life.
Handles particles sizes to 0.005”/0.127 mm.
¸
Comes with Reed Switch as standard, Hall
¸
Effect Sensor* optional.
Choose from a variety of Output and Display
¸
Options.
Certificate of Accuracy supplied with meter.
¸
32
* Hall Effect Sensor requires dedicated power source.
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03/07 ML-1800-5 Rev. B
GM002 - 1/4” Oval Gear Pulse Meter
The GM002 is one of the small capacity
meters in the GM Series line and is
differentiated by its flowrate capabilities.
It has the ability to handle a wide range of
fluid viscosities with exceptional levels of
repeatability and durability.
A c c u rA c y : ± 1 . 0 % of r e A di n g
Select Your Body Material:
Aluminum
PPS
Stainless Steel
High Pressure Stainless Steel
Intermediate Pressure Stainless Steel
Features and Benefits:
Up to 1,000 cps viscosity.
¸
Compact size and extremely accurate even
¸
with viscous fluids.
Meter design minimizes the number of wear-
¸
able parts – extending product life.
Handles particles sizes to 0.005”/0.127 mm.
¸
Comes with Reed Switch as standard, Hall
¸
Effect Sensor* optional.
Durable and serviceable on-site.
¸
Certificate of Accuracy supplied with meter.
¸
GM002 - SPECIFICATIONS
Fitting Type: BSP or NPT (Female)
Sensor Options:
Rotor Material:
O-Ring:
(Optional)
Output Options:
Aluminum: Pulse Out or Local 4-20 mA Transmitter
PPS:
Stainless Steel: Pulse Out or Local 4-20 mA Transmitter
High Pressure SS: Pulse Out
Intermed. Pressure SS: Pulse Out or Local 4-20 mA Transmitter
Display Options:
Local Display with 4-20 mA Output
Flow Range:
Flow Range @ < 5 cps:
Accuracy:
Repeatability:
Maximum Viscosity:
Pressure Rating:
Aluminum:
PPS:
Stainless Steel:
High Pressure SS:
Intermed. Pressure SS:
Maximum Temperature:
Aluminum:
PPS:
Stainless Steel:
High Pressure SS:
Intermed. Pressure SS:
Typical K-Factor:
Wetted Mat’l. - Housing:
Aluminum:
PPS:
Stainless Steel:
High Pressure SS:
Intermed. Pressure SS:
Wetted Mat’l. - Bearings:
Aluminum:
PPS Rotor:
Stainless Steel:
High Pressure SS:
Intermed. Pressure SS:
Wetted Mat’l. - Shaft:
Aluminum:
PPS:
Stainless Steel:
High Pressure SS:
Intermed. Pressure SS:
Frequency Range:
Recommended Strainer Size:
Shipping Weight (approx.): Aluminum/PPS = 1 lb. (0.45 kg),
High Pressure Stainless Steel = 8 lbs. (3.63 kg),
SS/Intermediate Pressure SS = 2 lbs. (0.91 kg)
Remote Display:
Remote Transmitter:
* Hall Effect Sensor requires dedicated power source.
Reed Switch or Hall Effect Sensor*
PPS or 316 Stainless Steel
Fluorocarbon (Std.), Perfluoroelastomer
Pulse Out or Local 4-20 mA Transmitter
Local Display
0.53 - 26.4 GPH (2 - 100 LPH)
1.32 - 26.4 GPH (5 - 100 LPH)
± 1.0% of reading
± 0.03%
1,000 cps
75 PSI / 5 BAR
75 PSI / 5 BAR
150 PSI / 10 BAR
8.000 PSI / 544 BAR
800 PSI / 55 BAR
176°F / 80°C
176°F / 80°C
248°F / 120°C
248°F / 120°C
248°F / 120°C
3785.4 PPG / 1000 PPL
Aluminum with PPS Cap
PPS
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Bronze
N/A
Ceramic
Ceramic
Ceramic
316 Stainless Steel
Hastalloy C / Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
0.6 - 27.8 Hz @ 0.53 - 26.4 GPH
200 mesh
Option Available: Model GG500
Options Available: Models GA500 & GX500
buy smart.buy value.buy
section 3: gm series - oval gear meters
ML-1800-5 Rev. B 03/07
33
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