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testo 650, modular humidity measuring system/ordering suggestion, testo 650

Important measurement parameters in humiditymeasurement automatically calculated in testo 650

Absolute h humidty, g g/m
3 The absolute humidity indicateshow many grams of water arecontained in a cubic metre of air or gas. Water v vapour p partial p pressure,pas Relative h humidity, % %RH Proportion of the total pressure in a space which is determined by the water-vapour. Unit: [mbar, hPa] The relative humidity is percentage which indicates howmany percent of the maximumpossible quantity of water vapour is present in the air at the moment. The maximum possible content is extremely dependent on temperature. Enthalpy, h heat c content, i i Heat content is the heat energy stored by the humid air. The energy is 0 at 0 °C. Enthalpy is important for the calculation of cooling and heating performance. Particularly of interest here aredifferential measurements, e.g.before and behind heat exchangers manufacturer. Psychrometer w wet b bulbtemperature,
Pressure-tight precision probe for measuring theremaining moisture in compressed air systems, plastics driers...Advantage: display in g/kg, g/m³, pressure dew point Measuring instrument withplug-on printer ComSoft 3 - Professionalwith data managementincl. database, analysisand graphics function, dataanalysis, trend curve ° °C Evaporation causes cooling. In athermometer which is wrapped in a damp cloth, the temperature sinks as a result of evaporation. The evaporation is dependent on the ambient relative humidity andair flow. The temperaturedifference can be determined with a second, dry thermometer. Unit: [°C, °F] Degree o of h humidity X X The degree of humidity X is defined as the mass ratio of water mass to air mass (dry glass). Unit: [g/kg] testo 650
testo 650, reference humidity meas.instr., readings memory included (up to 500,000 readings), battery, Li cell and calibration protocol Part no.0563 6501 Dewpoint, t td The dewpoint is a temperaturevalue in °C. As the temperaturefalls, the ability of the air or of gases to hold water is reduced.The dewpoint is the temperature at which the water condenses. Ordering suggestion:The reference set for measuring trace moisture Ordering suggestion:The precision set for air humidity measurement
testo 650, reference humidity meas. instr., readings memory included (up to500,000 readings), battery, Li cell and calibration protocol0563 6501 testo 650, reference humidity meas. instr., readings memory included (up to500,000 readings), battery, Li cell and calibration protocol0563 6501 Precision pressure dew point probe for measurements in compressed air systemsincl. cert. with test point -40°C tpd0636 9841Attachable printer (securely attached) including 1 roll of thermal paper andbatteries0554 0570SoftCase (protects instrument from impact) with carrier strap, magnetic holderand probe holder0516 0401 Highly accurate reference humidity/temp. probe incl. cal. cert.0636 9741Attachable printer (securely attached) including 1 roll of thermal paper andbatteries0554 0570SoftCase (protects instrument from impact) with carrier strap, magnetic holderand probe holder0516 0401 SoftCase for attachable printer (protects printer from dirt/impact) 0516 0411 SoftCase for attachable printer (protects printer from dirt/impact) 0516 0411 Cable, 1.5 m long, connects probe with plug-in head to meas. instrument0430 0143 Cable, 1.5 m long, connects probe with plug-in head to meas. instrument0430 0143 System case (plastic) for measuring instrument, probes and accessories0516 0400 System case (plastic) for measuring instrument, probes and accessories0516 0400 We recommend: Part no. We recommend: Part no. DKD calibration certificate/humidity– cal. points freelyselectable from 5 to 95%RH at +25°C or -20°C to +85°C 0520 0216On request DKD calibration certificate/humidity– cal. points freelyselectable from 5 to 95%RH at +25°C or -20°C to +85°C 0520 0216On request Humidity