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GTFM IV™ Gas Turbine Flow Monitor
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- Computer Weld Technology's Gas Turbine FlowMonitor (GTFM IV™) precisely measures flow rates of welding gasses. The GTFM IV can be used for Argon, Helium, CO2 or any mixed inert welding gas.
- A flow rate (5 to 255 SCFH) is digitally displayed with a 1 SCFH resolution. The accuracy if the 1% of full scale reading in the GTFM IV is considerably better than conventional ball type flow meters.
- The GTFM IV can be install in-line down stream of the gas regulator for permanent installations. The unit is also available in a battery powered configuration with a rubber cone for testing gas flow at the welding torch nozzle.
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| Measurement Range |
5-255 SCFH (2-120 LPM) |
| Display Resolution |
+/- 1 SCFH |
| Accuracy |
+/- 1% of full scale, +/- 1 digit |
| Operating Pressure |
50 PSIA maximum (344 KPA) |
| Fault Relay Output |
N.O. Dry Contact Closure |
| Relay Ratings |
120 vac @ 0.5 amps non-inductive or 24 vdc @ 1.0 amps non-inductive |
Analog Sensor Output |
0.-2.55 vdc @ 10 ma |
| Analog Scaling |
0.01 vdc = 1 SCFH (0.01 vdc = 1 LPM) |
Power Requirements |
10-28 vdc @ 100 ma |
Operating Temperature |
+20º F to +140º F (-7º C to +60º C) |
Battery Charger |
120 vac 60 hz @ 300 ma or 220 vac 50 hz @ 300 ma |
Battery Life |
Approximately 2 hours with a full charge |
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MECHANICAL
SPECIFICATIONS
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| Dimensions |
3 1/4" wide x 1 3/4" high x 5 3/8" long (85mm wide x 45mm high x 138mm long) |
| Weight |
23 oz. (652 gm) |
| Pipe Fittings |
3/8" NPT with 3/8" hose barb fittings |
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| Description |
Part Number |
Included Parts |
| Portable GTFM IV - 115 vac |
A0A0032 |
Includes hose cone assembly & battery charger. |
| Portable GTFM IV - 220 vac |
A0A0033 |
Includes hose cone assembly & battery charger. |
| In-line GTFM IV - 115 vac |
A0A0036 |
Includes installation hardware & battery charger. |
| In-line GTFM IV - 220 vac |
A0A0037 |
Includes installation hardware & battery charger. |
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| BENEFITS |
- Reduces gas usage by allowing proper setting of the gas flow rates at the nozzle.
- Reduces costly weld repairs by assuring proper gas flow rates.
- Provides documentation of gas flow rates for quality control procedures.
- Reduces cost of having multiple ball-float type flow meters for each welding gas used in the shop.
- Provides gas "Sure-Flow" switch capability for Robotic and Automatic Weld Fixtures.
- The convenience and accuracy of the GTFM IV enables this welding tool to pay for itself many times over
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| FEATURES |
- When
fully charged, the battery operated version operates for
up to two (2) hours.
- Limit
testing capability - operator may set high and low limits
for gas flow rates. If the gas flow rate exceeds the flow
range set, the GTFM IV sets an internal relay which can
be used to trigger an alarm.
- Monitor
and display accumulated gas usage - operator has the ability
to measure and display gas flow usage for a defined period
of time.
- Monitor
and display remaining gas in cylinder at any time.
- Monitor
and display peak gas flow surge during weld cycle.
- Available
in English and Metric Units of measure.
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