HYGRO-THERMOMETERS
Improve Indoor Air
Quality with Extech
Accurately diagnosing problems related
to barometric pressure, humidity and
temperature levels is essential to effective
HVAC/mechanical repair. Extech makes it
easy with durable, accurate, and easy-to-use
environmental meters.
445580 Humidity/
Temperature Pen
Compact, Digital HygroThermometer, ideal for
field use
• Simultaneous display of
Temperature (°C/°F) and
Relative Humidity
• MAX/MIN and Data Hold
• Built-in self calibration utility
allows for field calibrations
using optional Relative Humidity
calibration bottles (RH300-C)
• Complete with meter, pocket
clip and 3V lithium battery
RH210 Compact
HygroThermometer
Economic handheld
meter with large dual LCD
displays Temperature and
Humidity or Dew Point
simultaneously
• Compact design features large
dual display of Temperature
and Humidity or Dew Point
• Uses precision
capacitance sensor
• Min/Max function stores
& recalls highest and
lowest readings
• Data Hold function freezes
reading on display
• Auto Power Off with
disable feature
• Low battery indication
• Complete with probe
and 39" (1m) cable, 9V
battery, and soft case
SPECIFICATIONS 445580 ÿ RH210
Sensor Type Capacitance Capacitance
Humidity 10 to 90% 10 to 95%
Dew Point — -13.5 to 120.0°F (-25.3 to 48.9°C)
Temperature (Air) 14 to 122°F (-10 to 50°C) 32 to 122°F (0 to 50°C)
Temperature (IR) — —
Barometric Pressure — —
ACCESSORIES
RH300-CAL 33% & 75% RH
UA100-240 100-240V AC Adap-
86
86
ÿ Indicates products that are available with optional calibration traceable to NIST. See page 160 for a complete listing.
Calibration Kit for
445580
tor with 4 plugs (US,
EU, UK, AU)
Basic Accuracy ±5%, ±1.5° ±3%RH; ±1.5°F/±0.8°C (Air);
Max. Resolution 0.1%, 0.8° 0.1%, 0.1°
PC Interface — —
Datalogging — —
CE approved Yes Yes
Dimensions 5.7x1.2x1" (145x30x25mm)/ 2.3oz (65g) 5.3x2.4x1.3" (135x60x33mm)/ 9.3oz. (264g)
Warranty 1 year 1 year
±2.2°F/±1.2°C (Dew Point)