Amprobe THWD-3 Relative Humidity Temperature Meter

Name: Buy Amprobe THWD-3 Relative Humidity Temperature Meter
Brand: Amprobe
SKU: 94794

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SKU: 94794 Category: Thermohygrometer

Brand:Amprobe

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Description
specifications

Description

Amprobe THWD 3

The Amprobe THWD-3 employs a precision capacitance sensor, ensuring reliable accuracy and long-term stability. This highly precise device measures relative humidity across the full range, from 0% to 100%, and offers a wide ambient temperature range, from -4°F to 140°F. Its sensor is positioned on an extended shaft at the top of the unit, making it easier to probe into ductwork and hard-to-reach areas. The large LCD screen simultaneously displays two measurements and provides a variety of options, including hold, min, max, dew point (DP), and wet bulb (WB) readings.

One of the standout features of the THWD-3 is its ability to measure the full range of relative humidity from 0% to 100%, alongside an impressive ambient temperature range of -4°F to 140°F (-20°C to 60°C). This wide measurement capability makes it suitable for a variety of applications, from environmental testing to indoor air quality assessments.

Amprobe THWD-3 Key Features

Dual display
Extended probe stem to easily access air ducts
Dew Point
Wet Bulb
Min/Max readings
Data Hold
Capacitive sensor with protective cover
Auto power off

specifications

Parameter	Specifications
Humidity Range	0% RH to 100% RH
Range Accuracy	5% RH to 95% RH: ±3% RH @ 23°C
Range Accuracy	<5% RH, >95% RH: ±5% RH @ 23°C
Temperature Coefficient	0.1 x specified accuracy/°C <23°C, >23°C
Humidity Resolution	0.1% RH
Temperature (Dry Bulb)	-20°C to 60°C: ±0.8°C
Temperature (Dry Bulb)	-4°F to -140°F: ±1.6°F
Dew Point (DP)	-20°C to 60°C: ±0.8°C
Dew Point (DP)	-4°F to -140°F: ±1.6°F
Wet Bulb (WB)	-20°C to 60°C: ±0.8°C
Wet Bulb (WB)	-4°F to -140°F: ±1.6°F
Temperature Resolution	0.1°C / 0.1°F
Response Time (Humidity)	180 seconds (in slowly moving air)
Response Time (Temperature)	10 seconds (in slowly moving air)
Display	Dual display
Operating Conditions	0°C to 40°C
Storage Conditions	-10°C to 60°C; <70% RH
Altitude	Up to 2000 meters
Sample Rate	2.5 times per second
Battery	9V Battery, NEDA 1604 or JIS 006P or IEC6F22
Battery Life	85 hours continuous (with alkaline battery)
Dimensions	240 x 54 x 34 mm (9.5 x 2.1 x 1.3 in.)
Weight	Approximately 180 g (6.4 oz.)