Roxspur Measurement and Control: For Good Measure RM&C LtdPlaton, Brearley, CT, Nulectrohms, SensitPhone 0870 22 00 724 or email sales@roxspur.com

Platon GMT metal tube flowmeters are magnetically coupled VA meters for liquids. Requiring no external power they are robustly constructed for heavy duty, with flanged connections on ½" to 4" line sizes, and screwed BSP connections on ½", 1" & 2" units. Within the tapered flow tube, fluid flow lifts the metering element, which contains a magnet. The external pointer follows the magnetic field and indicates flow against a clear 150th scale. Standard units are calibrated for air or water, but scales can be produced to suit other fluids and process conditions.

The GMTA and GMTAA are single and dual channel alarmed versions of the standard GMT, fitted with easily adjusted setpoints and indicators. Alarm transmission is provided by NAMUR type proximity sensors, which are approved for use in hazardous areas. Interface modules are available to provide relay outputs, and galvanic isolation for intrinsically safe applications. For other liquids, and for flow measurement at different temperatures and pressures, call Sales who will arrange a custom scale to your requirements. You will need to quote your fluid type, SG, viscosity, pressure, temperature and the units preferred.

Specification
Flow Rate20-417 L/min
Operating Pressure100 BarG for Stainless Steel, 75 BarG for Brass (or as flange rating)
Operating Temperature200 ºC (or 50 ºC for low pressure drop models)
Accuracy±2% FSD
Wetted MaterialsStainless Steel or Brass
Float MaterialStainless steel, or PVC on Low pressure drop units
GuidesStainless steel
ConnectionsFlanges DIN PN16 or Screwed BSP female
Overall Length250mm for 1/2" to 2" units
Flow Range10:1 typical, see tables
ProtectionIP65
Flow Scale100mm long, 150th typical
Standard Conditions1.013bar & 20ºC (ATP)1
InstallationVertical with flow upward
Sensor TypeDIN 19 234 (NAMUR)
Approval CodeEEx ia IIC T6
Sensor ConnectionIP65 DIN connector/s
Power Supply115/230VAC or 24VDC models
OutputSPCO Relay, 2A @ 250VAC or 40VDC
Approval Code[EEx ia]
Housing35mm DIN rail or screw fixing, IP20
Available Models
MaterialRangeConnectionsAlarmsCode
Brass20-160 L/hr1/2" BSP screwedSingle alarmGMTBA151L
Brass20-250 L/hr1/2" BSP screwedSingle alarmGMTBA152L
Brass40-400 L/hr1/2" BSP screwedSingle alarmGMTBA153L
Brass60-600 L/hr1/2" BSP screwedSingle alarmGMTBA154L
Stainless Steel20-160 L/hr1/2" BSP screwedSingle alarmGMTSA151L
Stainless Steel20-250 L/hr1/2" BSP screwedSingle alarmGMTSA152L
Stainless Steel40-400 L/hr1/2" BSP screwedSingle alarmGMTSA153L
Stainless Steel60-600 L/hr1/2" BSP screwedSingle alarmGMTSA154L
Stainless Steel20-160 L/hrDN15 PN16 flangedSingle alarmGMTA111L
Stainless Steel20-250 L/hrDN15 PN16 flangedSingle alarmGMTA112L
Stainless Steel40-400 L/hrDN15 PN16 flangedSingle alarmGMTA113L
Stainless Steel60-600 L/hrDN15 PN16 flangedSingle alarmGMTA114L
Brass0.1-1.0 m3/hr1" BSP screwedSingle alarmGMTBA251L
Brass0.2-1.6 m3/hr1" BSP screwedSingle alarmGMTBA252L
Brass0.2-2.5 m3/hr1" BSP screwedSingle alarmGMTBA253L
Brass0.4-4.0 m3/hr1" BSP screwedSingle alarmGMTBA254L
Brass0.6-6.0 m3/hr1" BSP screwedSingle alarmGMTBA255L
Stainless Steel0.1-1.0 m3/hr1" BSP screwedSingle alarmGMTSA251L
Stainless Steel0.2-1.6 m3/hr1" BSP screwedSingle alarmGMTSA252L
Stainless Steel0.2-2.5 m3/hr1" BSP screwedSingle alarmGMTSA253L
Stainless Steel0.4-4.0 m3/hr1" BSP screwedSingle alarmGMTSA254L
Stainless Steel0.6-6.0 m3/hr1" BSP screwedSingle alarmGMTSA255L
Stainless Steel0.1-1.0 m3/hrDN25 PN16 flangedSingle alarmGMTA211L
Stainless Steel0.2-1.6 m3/hrDN25 PN16 flangedSingle alarmGMTA212L
Stainless Steel0.2-2.5 m3/hrDN25 PN16 flangedSingle alarmGMTA213L
Stainless Steel0.4-4.0 m3/hrDN25 PN16 flangedSingle alarmGMTA214L
Stainless Steel0.6-6.0 m3/hrDN25 PN16 flangedSingle alarmGMTA215L
Stainless Steel1.0-10.0 m3/hrDN25 PN16 flangedSingle alarmGMTA216L
Brass0.6-6.0 m3/hr2" BSP screwedSingle alarmGMTBA351L
Brass1.0-10.0 m3/hr2" BSP screwedSingle alarmGMTBA352L
Brass2.0-16.0 m3/hr2" BSP screwedSingle alarmGMTBA353L
Brass2.0-25.0 m3/hr2" BSP screwedSingle alarmGMTBA354L
Stainless Steel0.6-6.0 m3/hr2" BSP screwedSingle alarmGMTSA351L
Stainless Steel1.0-10.0 m3/hr2" BSP screwedSingle alarmGMTSA352L
Stainless Steel2.0-16.0 m3/hr2" BSP screwedSingle alarmGMTSA353L
Stainless Steel2.0-25.0 m3/hr2" BSP screwedSingle alarmGMTSA354L
Stainless Steel0.6-6.0 m3/hrDN50 PN16 flangedSingle alarmGMTA311L
Stainless Steel1.0-10.0 m3/hrDN50 PN16 flangedSingle alarmGMTA312L
Stainless Steel2.0-16.0 m3/hrDN50 PN16 flangedSingle alarmGMTA313L
Stainless Steel2.0-25.0 m3/hrDN50 PN16 flangedSingle alarmGMTA314L
Brass20-160 L/hr1/2" BSP screwedDual alarmGMTBAA151L
Brass20-250 L/hr1/2" BSP screwedDual alarmGMTBAA152L
Brass40-400 L/hr1/2" BSP screwedDual alarmGMTBAA153L
Brass60-600 L/hr1/2" BSP screwedDual alarmGMTBAA154L
Stainless Steel20-160 L/hr1/2" BSP screwedDual alarmGMTSAA151L
Stainless Steel20-250 L/hr1/2" BSP screwedDual alarmGMTSAA152L
Stainless Steel40-400 L/hr1/2" BSP screwedDual alarmGMTSAA153L
Stainless Steel60-600 L/hr1/2" BSP screwedDual alarmGMTSAA154L
Stainless Steel20-160 L/hrDN15 PN16 flangedDual alarmGMTAA111L
Stainless Steel20-250 L/hrDN15 PN16 flangedDual alarmGMTAA112L
Stainless Steel40-400 L/hrDN15 PN16 flangedDual alarmGMTAA113L
Stainless Steel60-600 L/hrDN15 PN16 flangedDual alarmGMTAA114L
Brass0.1-1.0 m3/hr1" BSP screwedDual alarmGMTBAA251L
Brass0.2-1.6 m3/hr1" BSP screwedDual alarmGMTBAA252L
Brass0.2-2.5 m3/hr1" BSP screwedDual alarmGMTBAA253L
Brass0.4-4.0 m3/hr1" BSP screwedDual alarmGMTBAA254L
Brass0.6-6.0 m3/hr1" BSP screwedDual alarmGMTBAA255L
Stainless Steel0.1-1.0 m3/hr1" BSP screwedDual alarmGMTSAA251L
Stainless Steel0.2-1.6 m3/hr1" BSP screwedDual alarmGMTSAA252L
Stainless Steel0.2-2.5 m3/hr1" BSP screwedDual alarmGMTSAA253L
Stainless Steel0.4-4.0 m3/hr1" BSP screwedDual alarmGMTSAA254L
Stainless Steel0.6-6.0 m3/hr1" BSP screwedDual alarmGMTSAA255L
Stainless Steel0.1-1.0 m3/hrDN25 PN16 flangedDual alarmGMTAA211L
Stainless Steel0.2-1.6 m3/hrDN25 PN16 flangedDual alarmGMTAA212L
Stainless Steel0.2-2.5 m3/hrDN25 PN16 flangedDual alarmGMTAA213L
Stainless Steel0.4-4.0 m3/hrDN25 PN16 flangedDual alarmGMTAA214L
Stainless Steel0.6-6.0 m3/hrDN25 PN16 flangedDual alarmGMTAA215L
Stainless Steel1.0-10.0 m3/hrDN25 PN16 flangedDual alarmGMTAA216L
Brass0.6-6.0 m3/hr2" BSP screwedDual alarmGMTBAA351L
Brass1.0-10.0 m3/hr2" BSP screwedDual alarmGMTBAA352L
Brass2.0-16.0 m3/hr2" BSP screwedDual alarmGMTBAA353L
Brass2.0-25.0 m3/hr2" BSP screwedDual alarmGMTBAA354L
Stainless Steel0.6-6.0 m3/hr2" BSP screwedDual alarmGMTSAA351L
Stainless Steel1.0-10.0 m3/hr2" BSP screwedDual alarmGMTSAA352L
Stainless Steel2.0-16.0 m3/hr2" BSP screwedDual alarmGMTSAA353L
Stainless Steel2.0-25.0 m3/hr2" BSP screwedDual alarmGMTSAA354L
Stainless Steel0.6-6.0 m3/hrDN50 PN16 flangedDual alarmGMTAA311L
Stainless Steel1.0-10.0 m3/hrDN50 PN16 flangedDual alarmGMTAA312L
Stainless Steel2.0-16.0 m3/hrDN50 PN16 flangedDual alarmGMTAA313L
Stainless Steel2.0-25.0 m3/hrDN50 PN16 flangedDual alarmGMTAA314L