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Amprobe TH-3 Relative Humidity Temperature Meter
(click photo for larger Image)

 
Amprobe TH-3
Relative Humidity Temperature Meter

AM-TH-3
$99.95

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Amprobe TH-3 Relative Humidity Temperature Meter

The TH-3 uses a precision capacitance sensor to deliver accurate performance with long term stability.

This high accuracy instrument measures the full range of relative humidity from 0% to 100% and features an exceptionally wide ambient temperature measurement range from -20 °C (-4 °F) to 60 °C (140 °F).

The sensor is mounted on a long shaft extending from the top surface of the unit, making probing into ductwork and hard to reach areas more easy.

The large LCD displays two measurements simultaneously with a full range of display options including Hold, Min, Max, and Relative.

The TH-3 is a complete package and comes with soft carrying case, sensor cover, battery and manual.

  • Dual display
  • Relative function monitors humidity and temperature changes
  • Extended probe stem to easily access air ducts
  • Min/Max readings
  • Data Hold
  • Capacitive sensor with protective cover
  • Auto Power off
  • Soft Carrying Case
     
Altitude:   Up to 2000 meters
Sample Rate:   2.5 times per second
Battery Life:   85-hours continuous (with alkaline battery)
Size:   240 x 54 x 34 mm (9.5 x 2.1 x 1.3 in.)
Weight:   Approximately 180 g (6.4 oz.)
Warranty:   One year
 
Specifications:
 

Function

Range

Accuracy

Measurement Ranges
Humidity 0 % RH to 100 % RH
5 % RH to 95 % RH:
<5%RH, >95% RH

±3 % RH @ 23 °C 
±5 % RH @ 23 °C
Temperature Coefficient:

0.1 x specified accuracy/ °C <23 °C, >23 °C

Resolution  0.1 %RH  
Temperature
(Dry Bulb)
-20 °C to 60 °C:
 -4 °F to -140 °F
±0.8 °C
±1.6 °F
Resolution 0.1 °C/0.1 °F  
Response time (in slowly moving air)
Humidity 180 sec  
Temperature 10 sec  

* * * * * * * *

Relative Humidity Temperature Meter
Comparison Chart

SPECIFICATIONS
TH-3 & THWD-3
%RH Accuracy @ 23 °C
<10, >90 %RH ± 5.0 %RH
10 to 90 %RH ± 3.0 %RH
Temperature coefficient:
0.1x(specified accuracy)/ °C (<23 °C or >23 °C)
Temperature Accuracy -20 to 60 °C ± 0.8 °C
-4 to 140 °F ± 1.6 °F
THWD-3 (only)
Wet Bulb & Dew Point
Temperature Accuracy
-20 to 60 °C ± 0.8 °C
-4 to 140 °F ± 1.6 °F

* * * * * * * *

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