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Transmitters are current-outputting devices and may have two or three wires. Where two wires are used to both receive power and transmit an output signal, significant cost savings can be made where long cables are needed. They are frequently scaled to vary from 4 mA to 20 mA as the pressure varies from mi...
Transmitters are current-outputting devices and may have two or three wires. Where two wires are used to both receive power and transmit an output signal, significant cost savings can be made where long cables are needed. They are frequently scaled to vary from 4 mA to 20 mA as the pressure varies from minimum to maximum. Thus the on-board electronics has to be capable of operating with a maximum current drain of less than 4 mA. Being 'current driven', the in-built circuitry controls the voltage across the transmitters two terminals to ensure that the appropriate pressure-proportional current is maintained irrespective of line resistance up to a specified limit. Thus these devices are very suitable for use with long cables and are much less susceptible to electromagnetic interference than voltage-output transducers. Sometimes called current loop or serial devices, additional displays at different locations can easily be included in the loop without degrading the output signal. Such devices normally suffer no significant degradation of signal output with distance.
Transducers are voltage-outputting devices that can be used with simple signal conditioning but are more sensitive to electromagnetic interference. The electrical resistance of the connecting cable can cause significant errors if the cable is long. They require three or four connecting wires to supply power and deliver the output signal.
Rogowski Coil AC-Current Transducer with 0.333 mV o/p Select desired model in options.
Sensor H0530 is designed for online monitoring of temperature. Three binary inputs to detection of two-states signals are the advantage. Other devices are controlled by two relay outputs.
Plug-and-Play Three-Phase Current Transformer with Patented Technology from Rayleigh Instruments. 333 mV secondary Output. Ranges: 60 to 200A
Plug-and-Play Three-Phase Current Transformer with Patented Technology from Rayleigh Instruments. 333 mV secondary Output. Ranges: 60 to 250A
The Stevens SatComm GOES transmitter offers reliability for your most critical data from remote stations. Stevens SatComm sends data via the GOES Data Collection System (DCS). Fully CS2 / v2.0 certified by NESDIS, SatComm transmits at both 300 and 1200 baud data rates.
► % r.H., g/m³, g/kg, DP °C► -30...+70°C, -20...+80°C, 0...+50°C, 0...+100°C scales► outputs: 0-10 V, 4-20 mA, changer► heating function for condensation protection► hinge lock technology► Outputs to choose from: - Rel. Humidity: 2 x 4-20mA or 2 x 0-10V - Temperature: 2 x 4-20mA or 2 x 0-10V
Panel mounting conductivity transmitter in a 96x96 housing with dual LCD (measurement + temperature), output 4...20mA. The cell constant, the range and the temperature coefficient are completely configurable. 2-wire passive transmitter or 4-wire active transmitter. Power supply in active mode 24 Vac, on request 230 Vac, in passive mode 10...35 Vdc.
4-20mA output, 25ppm relay setpoint, local audible alarm, auxillary contact. "
Humidistat, thermostat with two relay outputs. Outdoor, indoor use. Humidity & temperature sensors on a probe cable. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy. The device is supplied with T+RH probe with 1 meter cable.
Humidistat, thermostat with two relay outputs. For outdoor or indoor use.Temp probe & Relative Humidity of hard anodized aluminum, for compressed air up to 25 bar with 1 m cable.Cables lengths of 2m or 4m available optionally.Humidity, temperature probe on a cable. Measured values also become another interpretation of humidity: dew point temperature,...
Temperature, humidity, CO2 level sensor with two output relays. Included in delivery: H6320 sensor Traceable calibration certificate Quick start manual "