Series 641RM Air Velocity Transmitter with Cable
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Series 641RM Air Velocity Transmitter with Cable Series 641RM Air Velocity Transmitter with Remote Probe For Remotely Mounting Electronic Enclosure The SERIES 641RM features the same highly accurate heated mass flow sensor as the Series 641, with a remote probe construction. The units 6´ cable which connects the sensing probe with the electronic enclosure allows the enclosure to be mounted where it can be more easily accessed. Product Applications Exhaust stack flow monitoring Air control in drying processes HVAC air velocity measurements Fan supply and exhaust tracking Clean room ventilation monitoring ModelDescription 641RM-12Air velocity transmitter, without LED display. 641RM-12-LEDAir velocity transmitter, with LED display. Specifications Service:Clean air and compatible, non-combustible gases. Accuracy:3% FS Process gas: 32 to 122°F (0 to 50°C); 4% FS Process gas: -40 to 32°F & 122 to 212°F (-40 to 0°C & 50 to 100°C). Response Time:Flow: 1.5 s to 95% of final value (output filter set to min.). Temperature Limits:Process: -40 to 212°F (-40 to 100°C). Ambient: 32 to 140°F (0 to 60°C). Pressure Limit:100 psi (6.89 bar) maximum. Humidity Limit:Non-Condensing. Power Requirements:12 to 35 VDC, 10 to 16 VAC. 1.5 A rating required on supply due to initial power surge drawn by transmitter. Output Signal:4 to 20 mA, isolated 24 V source, 3 or 4-wire connection. Output Filter:Selectable 0.5-15 s. Loop Resistance:600 Ω max. Current Consumption:300 mA max. Electrical Connections:Screw terminal. Mounting Orientation:Unit not position sensitive. Probe must be aligned with airflow. Weight:13.2 oz (374.26 g). Cable Length:6' (1.82 m). Probe Length:12" (30.48 cm) standard. Probe Diameter:5/16" (0.79 cm). OPTIONAL DISPLAY VERSION: Display:4-1/2 digit 1/2" red LED. Resolution:1 FPM, 0.01 MPS (10 FPM @ 10,000 and 15,000 FPM ranges). Weight:13.9 oz (394.16 g). Features Ranges from 250 FPM (1.25 MPS) to 15,000 FPM (75 MPS) Optional bright LED display Easy push button set-up Compact housing 4 to 20 mA output Digital filter for signal damping Accessories Model NumberDescription A-156Flange mounting plate with 1/2" female NPT. A-158Split flange. A-159Mounting gland with 1/2" male NPT. 641-LEDField-upgradeable LED. Related Products Model VT120 Integral Vane Thermo-Anemometer Series AVU Air Velocity Transmitter Model VT-200 Vane Thermo-Anemometer Series 641 Air Velocity Transmitter Technical Reference Books Model 8904 Integral Vane Thermo-Anemometer Model 471B Thermo-Anemometer Test Instrument
Wind Velocity Transmitter
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Three conial beaded edged cups 50 mm. In diameter, attached by arms to a central boss drive a vertical spindle at a rotary speed proportional to the wind velocity.Aluminum, Brass and Stainless Steel are used throughout this instrument to ensure freedom from corrosion and long working life. A conical shield protects the spindle and bearing from the rain.An Infra Red Transducer connected to the vertical shaft gives pulses proportional to the number of rotations of the vertical shaft.This signal is carried through interconnecting cable ( standard length 20 mtrs.) to the Transmitter unit.4 - 20 mA OR 0 - 5 Volts Dc output proportional to the wind velocity is provided which can be fed to any Data Logger or PLC.
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Casella Type Air Velocity Meter
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1 Piece (MOQ)
The traditional method for measuring the flow of air blown up through a grain heap. Suited to under-floor systems and blowing fans, the meter is used to confirm that there is adequate flow of air emitting from the surface of the grain. Ventilated grain ensures that the moisture content of the stored grain is kept within a safe limit by the steady flow of air through the grain. The INDUS Crop Airflow Meter for grain is an essential instrument for the successful storage of grain in bulk where under-floor blowing systems are in use.Principle of operationA lightweight float, made from a thin aluminium disc, moves up and down a tapered transparent tube. A wire running through the centre holds the float in place. The float has been designed to spin, removing possible errors by reducing friction. Air passing up the tube supports the float at a height where its weight is balanced by the pressure drop of the air. A scale on front side gives the flow rate in ft/min. On the opposite side of the tube is a white strip to aid reading the flow rate.
Air Velocity Meter
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velocity meter
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Microprocessor Based, Direct Velocity meter which gives the Velocity (in m/ sec) of water of canal/ river with the help of the water current meter. It has large intelligent LCD display 16-character x 1 line. Low Power consumption, Battery Operated. The constant of the individual current meter sensor can be entered/ changed by the keys on the penal of the meter. It has in built memory to store the 50 numbers of velocity data.
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Duct Aire Velocity Transmitter
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58,000 Per Piece
Model 9515 Includes: Instrument, hard carrying case, 4 alkaline batteries, operation and service manual and calibration certificate. Air Velocity Meter, Temp. Model 9535 Includes: Instrument, hard carrying case, 4 alkaline bateries, USB cable and LogDat2 downloading software, operation and service manual and calibration certificate. Air Velocity Meter, Straight Probe, Temp, Basic Data Logging Model 9535-A Includes: Instrument, hard carrying case, 4 alkaline bateries, USB cable and LogDat2 downloading software, operation and service manual and calibration certificate. Air Velocity Meter, Articulated Probe, Temp, Basic Data Logging.
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Air Velocity Meter
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The TMA10A is ideal for HVACR technicians measuring HeatVentila¬tionAir conditioning Refrigeration wind flow and temperature in resi¬dential, commercial and industrial air conditioning systems It offers numerous functions�use it to check air velocity FPM (Feet per minute), air volume (flow) CFM (Cubic feet per minute) plus the remote vane allows greater measurement loca¬tion flexibility Switch between °C and °F Input the area of airflow measurement to gain accurate air velocity results Measure an air flow source for a continuous mov¬ing average for up to two hours Determine minimum, maximum and average readings from a single point air source.
Air Velocity Meter with 40mm Vane with Temperature & Humidity Measurement
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We are air velocity meter with 40mm vane with temperature & humidity measurement including calibration protocol,protective cap, wrist strap, belt holder,batteries, measuring range velocity : 0.4 . 20ms,resolution: 0.1ms,accuracy: +- (0.2 ms + 2% of m.v.) , measuring range temperature : -10 . 50°c,resolution: 0.1°c,accuracy: +- 0.5 °c, measuring range humidity : 0 ... 100% rh,resolution: 0.1%rh,accuracy: +- 2.5 %rh ( 5...95% rh ), accuracy: +- 0.5 °c, part no - 0560 4102
Series 641RM Air Velocity Transmitter with Cable
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The Series 641RM is the ideal instrument for monitoring air flow. This transmitter uses a heated mass flow sensor, which allows for precise velocity measurements at various flow rates and temperatures. The 641’s 16 field selectable ranges from 0-250 to 15,000 FPM (0-1.25 to 75 MPS) provide it the versatility to be selected for a multitude of applications. The units 6' cable which connects the sensing probe with the electronic enclosure allows the enclosure to be mounted where it can be more easily accessed. Longer cable lengths are available fro ducts that are at very high elevations from the plant floor. The optional LED produces a complete, compact solution for local indication of air flow.
Air Velocity Meter
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Air Velocity Transmitter, Actuator For Air Damper
