Extech Catalog PDF

Dew Point/Wet Bulb/PsychrometersDigital PsychrometersNew humidity and temperature meters withbuilt-in or remote probes include wet bulb anddew point measurements for quick assessmentof air moisture content.RH300RH305RH350RH355Featuring Model HD500Built-in InfraRed Thermometer30:1 IR Thermometer for fast, easy andaccurate non-contact surface temperaturemeasurementsUSB Interface and PC SoftwareEasy data transfer to a PCHighest AccuracyPrecision 2% RH accuracyWet Bulb and Dew pointDigital Psychrometer displays air moisturecontent without slingingAccessoriesOrder Meterwith NIST Certificate*Only Extech offersDew Point Meters withDifferential and IR ThermometerRH300-CAL....33% and 75%RH Calibration Kit for RH300, HD500RH350-CAL....33% and 75%RH Calibration Kit for RH350RH401-CAL....33% and 75%RH Calibration Kit for RH401TP890...............Thermistor Temperature Probe for RH300TP873...............Type K Temperature Probe for RH350TP200...............Type K Clamp Probe for RH350, HD500407752 .............PC Software and Cable for RH401 and RH405589250 .............RS-232 PC cable for RH350 and RH355USB100............RS-232 to USB AdaptorSpecificationsRH305Value KitHygro-ThermometerPsychrometerExternal Probe Temperaturemeasurements for differential• Simultaneous display of %RH,Temperature and Dew Point orWet Bulb or Probe Temperature• Calculates T1-T2 differential(Air Temperature minus ExternalProbe Temperature) using optionalprobe (TP890) and T2-Dew Point• Data Hold and Auto power off• MAX/MIN readings• Optional TP890 probe forDifferential Temperature• RH300 includes 2 AAA batteries• RH305 kit (see photo on p. 83)includes RH300, TP890 externaltemperature probe, RH300-CALcalibration bottles and carrying caseRH355Value KitDual Input Hygro-ThermometerPsychrometerTwo Type K External Probe inputsfor Superheat plus memory• Dual Type K probe inputs (T1,T2)• Superheat differential measurements:T1-T2, Air-T1, and T1-Dew Point• Backlit LCD displays 3 parameters:%RH and Temperature with eitherDew Point, Wet Bulb or Type K• Built-in RS-232 interface — usesoptional Windows ® 95/98/2000/ME/NT/XP compatible software• Memory stores up to 99 data points• MAX/MIN with time stamp + AVG• Data Hold, Auto power off• RH350 includes 2 Type K bead wiretemperature probes (-58 to 482°F/-50 to 250°C), 4 AAA batteries• RH355 kit (see photo on p. 83)includes RH350, RH350-CALcalibration bottles, 589250software cable, and caseAll Extech meters come factorycalibrated. For an additionalcharge, Extech will supply yourmeter complete with a Certificateof Calibration Traceable to N.I.S.T.with Data at multiple points. Toorder meter with NIST:RH300-NISTRH305-NISTRH350-NISTRH355-NISTRH390-NISTHD500-NISTHD500-NISTL***Only products listed are available withNIST Certificate. Meter must be orderedwith NIST Certificate at time of purchase.**Limited NIST: Product certified to allfunctions except IR Thermometer.Model RH300 RH305 (kit) RH350 RH355 (kit)Sensor Type Capacitance CapacitanceDew Point -90.4 to 122°F (-68.0 to 49.9°C) -90.4 to 122°F (-68.0 to 49.9°C)Wet Bulb -6.9 to 122°F (-21.6 to 49.9°C) -6.9 to 122°F (-21.6 to 49.9°C)Humidity (Basic Accuracy) 0 to 100%RH (±3%RH) 0 to 100%RH (±3%RH)Temperature (internal) -4 to 122°F (-20 to 50°C) -4 to 122°F (-20 to 50°C)Basic Accuracy ±1.8°F or ±1°C ±1.8°F or ±1°CTemperature (external) -4 to 158°F (-20 to 70°C) -328 to 2498°F (-200 to 1370°C)Basic Accuracy ±1.8°F or ±1°C ±0.3% or 1.8°F or ±1°CTemperature (IR) — —Basic Accuracy — —Emissivity — —Field of View — —PC Interface — Optional RS-232Memory/Datalogging — 99 readingsCE/Warranty CE/ 1 year CE/ 1 yearDimensions/Weight 7x1.9x1" (178.5x48.4x24.7mm)/ 3.3oz (95g) 9x2.2x1.7" (230x57x44)/ 5.3oz (153g)82Extech Instruments: The brand of choice…