Sigfox-Ready Thermal mass Gas Flowmeter WSSFC-TMF128 SKU: WSSFC-TMF128 Doc No: WSSFC-TMF128-DS-EN-10 Introduction WSSFC-TMF128 is a Sigfox-Ready Thermal mass gas flow meter designed especially for Oxygen, Nitrogen, or Compressed Air flow measurement. It delivers accuracy better than 3% of reading plus 0.5% of span. It can be configured via Sigfox downlink or RS485 Modbus RTU. It supports the following regions RC1, RC2, & RC4. Available as DN8, DN15, DN20, and DN25 (G female thread) Accuracy better than 3% of reading plus 0.5% of span Connect to Sigfox network RC1, RC2 and RC4 Applications Flow measurement for Compressed Air; Flow measurement for Oxygen; Flow measurement for Nitrogen; Other gases... Specification FLOW SENSOR SPECIFICATION Process connection DN8, DN15, DN20, DN25 G-female threads (ISO 228-1), with removable flanges for convenient installation/maintenance Turndown ratio 50:1 Flow range at the actual condition Standard Flow Range (max velocity 100m/s)DN8: max 15 m3/hDN15: max 60 m3/hrDN20: max 120 m3/hrDN25: max 210 m3/hrLow Flow RangeDN8: max 3 m3/hDN15: max 12 m3/hrDN20: max 24 m3/hrDN25: max 42 m3/hr Accuracy +/- 3.0% of reading plus 0.5% of Span Medium Pressure range 0 .. 10 barg, max allowable pressure 16 barg Medium Temperature range -20 .. 85 oC, 0 .. 90% RH (non-condensation) Ambient Temperature range -40 .. + 85 oC Material 304SS, Polycarbonate Communication port RS485, Modbus RTU for configuration or connect to Master device SIGFOX SPECIFICATION Sigfox zones select RC1-RC2-RC4 Antenna Internal Antenna 2 dbi Configuration via Downlink or RS485 Modbus RTU Power supply 7..48VDC Connector M12-Male, 4-pin Coding A RF Module complies to CE, FCC, ARIB IP Rating IP67 Ordering Code Item code Descriptions WSSFC-TFM128-H-A-DN8 SIGFOX-READY THERMAL MASS FLOW METER FOR AIR, HIGH FLOW VERSION, INTERNAL ANTENNA, 7-48VDC, IP67, RC1-RC2-RC3-RC4 ZONES, SIZE DN8 WSSFC-TFM128-L-A-DN8 SIGFOX-READY THERMAL MASS FLOW METER FOR AIR, LOW FLOW VERSION, INTERNAL ANTENNA, 7-48VDC, IP67, RC1-RC2-RC3-RC4 ZONES, SIZE DN8 REPLACE "A" BY OTHER LETTER FOR DIFFERENT GAS B CO2 C O2 D N2 E Ar REPLACE "DN8" BY OTHER SIZE DN15 SIZE DN15 DN20 SIZE DN20 DN25 SIZE DN25 Link for full datasheet: https://filerun.daviteq.com/wl/?id=YucNDwcPRc6ePmehIeDSAXqh8duIgKcG Link for manual: Daviteq Technologies Inc  www.daviteq.com   |     info@daviteq.com