Расходомер тепловой массовый ФТМ84/85-1

【Features】● Capable of temperature compensation● Linear calibration air velocity by computer, analog output or RS-485(Optional)● High-speed, high-accuracy measurement, quickly respond● Thermal mass flow sensor● LCD, display air velocity and temperature● Switch multifunction physical quantities：[m/s]、[ft/s]、[km/h]、[mph]、[kont]● DIP SWITCH and RS-485 function【Specification】InputSensor type : Thermal mass flow sensorMeasuring range : 1 m/s；2 m/s；5 m/s；10 m/s；20 m/s；40 m/s；60 m/s；90 m/sMin. Measuring range : 0.15 m/sTemp. sensor & measuring range : Pt1000, 0 ... 80°COutputOutput : 0 ... 20 mA / 4 ... 20 mA / 0 ... 1 V / 0 ... 5 V / 0 ... 10 VDefault output : Out1 : Air velocity；Out2 : Temp.(Default value：0 ... 80°C)Signal connection : 3-wireLoad resistance : Current output : ≦500 Ω, Voltage output : ≧10 KΩResponse time : t90≦3 secAccuracy(+25°C)Air velocity : ±1.5%F.S.(Nonlinear error, hysteresis error, repeatability error)Temperature(＞2 m/s) : ±0.3°CThermal sensitivity Temp. error : 0.05% / °CEnvironmentMeasuring medium : AirOperating Temp . : Housing：-20 ... +80℃, Housing with display：-20~+60℃, Probe：-20~+100℃Operating humidity : 95%RH(Non-condensing)Storage Temp. : -20~+60℃Proof pressure : 10 barElectricalPower supply : DC 8 ... 35 V & AC 12 ... 30 VCurrent consumption : DC 8 V：300 mA, 24 V：100 mA, AC 12 V：350 mA, 24 V：180 mAOvervoltage protection : DC：＜45 V；AC：＜40 VElectrical connection : M12 metal connector / TerminalInstallationInstallation : Duct / RemoteFix : 1/2 PT outside threadProtectionIP rating : IP67(Probe)；IP65(Body)Clectric protection : ■ Polarity protection ■ Over-voltage ■ Short circuitCertification : CE