Relative Humidity, Temperature, Dew Point and Wet Bulb
Extended probe for easy target access
Large digital dual display with backlight
Measure both relative humidity and temperature together
Temperature in °C or °F, front panel selectable
0.1 degree resolution for temperature
Minimum and Maximum measurements stored
Data Hold to freeze last measurement reading
Tripod mountable
Includes deluxe hard carrying case, batteries and users manual
Description
The THWD-5 psychrometer is a microprocessor-based tester
designed for HVAC and Plant Maintenance engineers and
technicians. Easy and quick access to Wet bulb and Dew point
values as well as Relative Humidity and Temperature. The
THWD-5 is equipped with an extended probe for easy target
access, a large dual LCD display, and is tripod mountable.
RH: 0 to 100% Temperature: -10 to 60°C (14 to 140°F) DP: -73.4 to 59.9°C (-100 to 139.8°F) WB: -13.4 to 59.9°C (7.88 to 139.8°F)
Accuracy
RH: ±3% from 10 to 90% at 25°C and ±5% for others Temperature: ±0.6°C (±1°F)
Response Time
60 seconds
Resolution
0.1°C / 0.1°F
General Specifications
Battery Life
100 hours w/o backlight; 50 hours with backlight
Power Supply
4 X 1.5V AAA Size (NEDA 24G or IEC R03) battery
Low Battery Indication
The “” is displayed when the battery voltage drops below the operating level
Dimension
175 x 69.85 x 33 mm (6.89 x 2.75 x 1.30 in.)
Weight
0.869 Kg (1.92 Lb)
Environmental
Operating Humidity
100% RH
Operating Temperature
0 to 50°C / 32 to122°F
Storage Temperature
-20 to 50°C (-4 to 122°F)
Altitude
2000m, indoor operation
EN61326-1 This product complies with requirements of the following European Community Directives:
89/336/EEC (Electromagnetic Compatibility) and 73/23/EEC (Low Voltage) as amended by 93/68/EEC
(CE Marking). However, electrical noise or intense electromagnetic fields in the vicinity of the equipment
may disturb the measurement circuit. Measuring instruments will also respond to unwanted signals
that may be present within the measurement circuit. Users should exercise care and take appropriate
precautions to avoid misleading results when making measurements in the presence of electronic
interference.
;)
” is displayed when the battery voltage drops below the operating level
