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Relative Humidity


Modern - Digital - Ergonomic
Hand held units provide reliable humidity measurements with dew point calculation, thermocouple input and data logging

Relative Humidity Portable RH

Features

  • Accurate measurements of 0 - 100% RH
  • Backlit display easy to read in any lighting conditions
  • Display hold - holds the last reading at the touch of a button
  • Splash proof housing
  • Long battery life ~ 500 hrs
  • Dew Point measurement
  • Large LCD display
  • Rugged molded case
  • 2 year warranty
  • Data logging option

Relative Humidity Measurement
Relative Humidity is the measure of the amount of water vapor in the air at a particular temperature, compared with the total amount of water vapor the air can hold at that temperature.
     We offer two models of the the 2000 series RH instruments. The basic unit the 2020R has the capacitive RH sensor attached to the handset with a built in PT100 resistance thermometer. The model 2080R is a more sophisticated instrument with data logging (below) and an input for a separate K type thermocouple probe as well as the built in PT100 resistance thermometer

Data Collection at the touch of a button

datalogger downloadThe data logging handset of the model 2080R enables temperature and RH readings to be stored, retrieved and downloaded in the shortest possible time. Readings can be time and date stamped and given a 4 digit reference number. The stored data can be viewed in the display or be downloaded to your PC and viewed in our DigiLink Windows software.
With Preset Interval Logging you can set up your instrument to take readings at preset intervals - by the minute or every 24 hours as you require.

Dew Point Calculation
The dew point is defined as the lower temperature to which air must be cooled in order for condensation to occur. The dew point is dependent on the concentration of water vapour present, and therefore on the relative humidity. The model 2080R can calculate the dew point.

Specification of 2000 series RH Monitors

Model Model 2020RP Model 2080RP
Sensors Relative Humidity Capacitive RH sensor Capacitive RH Sensor
Sensors Temperature Pt 100 built in Pt 100 and external K type probe
Range RH 0 - 100% RH
Range temperature -40 to +85 C / -14F to + 185 F
Resolution 0.1% RH 0.1 deg C 0.1 deg C from -199.9 to +199.9 (-199F to +329F)
Accuracy 1.5% RH 0 - 100 % at 23 degs C
Data Logging no up to 250 readings
Max /Min averaging no yes
Dewpoint measurement no yes
Hold last reading yes yes
Splash proof IP65 yes yes
Battery type two AA or equivalent
Battery life 150 hours typical ( alkaline battery )
Low battery check warning on display
Automatic switch off after 12 minutes
Dimensions 155 x 67 x 40 mm
Weight 6.4 ozs /180 gms
Environmental specifications IP65 (IP67 optional)
Ordering Information Price $US 
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Model 2020RP RH meter and probe C/F degs, $465.00  Add item to shopping cart
Model 2080RP RH meter and probe C/F Dewpoint, data logging, range lock $560.00
Digilink Infra red download box and cable $120.00
DigiSoft Windows software. $90.00

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Topac Inc. 231 CJC Highway, Suite 103 Cohasset MA 02025 USA
Tel: 781 740 8778 Fax: 781 740 8779

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