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Hygro-Thermometer - DH500

Measure relative humidity (%RH) from 5.0 to 95% %RH Calculated Dew Point reading Temp measurements from -20°C to 80°C standard Optional Temp probe providing measurement from -95°C to 200°C Protective rubber boot & splash-proof option Long battery life of over 150 hours Analog voltage output and Communication options Low power, high performance, RISC microprocessor Intuitive user interface design

The DH500 Hygro-Thermometer is a high quality instrument providing highly accurate humidity and temperature measurements in a variety
of environments via a user-friendly & intuitive interface.  Applications include manufacturing, laboratory, computer rooms, environmental
control, flow hood monitoring, and many other applications where precise air measurement is required.

Specifications

Ranges:

Relative Humidity (%RH): 5.0 to 95.0% RH
Temperature (using standard combination HTP201 probe): -4° to 176°F (-20.0° to 80.0°C)
Temperature (using optional temperature probe): -139° to 392.0°F (-95.0° to 200.0°C)
Dew Point:  Calculated for full range of HTP201 probe

Accuracy:

Temperature:   ±(0.3°C + 0.2% of reading in °C)
    Temperature accuracy examples:  ±0.3°C at 20°C / ±0.5°F at 68°F
Relative Humidity:  ±2.0 %RH
Dew Point:  ±1.1°C (±2.0°F)

Resolution:

Temperature:  0.1°F or °C (1°F below -99.9°F)
Relative Humidity:  0.1 %RH

Response Time:

Relative Humidity:  Up to 90% of change in measured value in 15 seconds
Temperature:  Approx. 60 sec in still air
                     Approx. 10 sec in moving air streams

Display: 0.5" LCD, 4 digits with LED backlight

Operating Temp: 32° to 125°F / 0° to 50°C (Instrument); -4° to 176°F /-20° to 80°C (Probe)

Power Supply:  3 "AA" alkaline batteries

Battery Life: Approximately 150 hours

Dimensions:

Instrument: 6.5" X 3.25" X 1.5"
HTP201 Probe: 6" x 1" diameter

Instrument Options available:

        Protective Rubber Boot and Splash-Proof Seal
        USB Communications
        RS232 communications
        Analog 0-5 Volt output
        Custom cable lengths
        Immersion RTD temperature probe
        Surface RTD temperature probe
        Air RTD temperature probe

Unit comes complete with:

l pc. HTP201 combination temperature & relative humidity probe
3 pcs. AA 1.5 V alkaline batteries
1 pc. carrying case

Cat. No.	Model/Description	Price
19B27	DH500 Hygro-Thermometer	N/A
20K13-A	Repl HTP201 RH/Temperature Probe	N/A
19B27-A	Analog Output Option	N/A