User Manual

RHT37

Dual Input Hygro-Thermometer

Psychrometer

Introduction

Congratulations on your purchase of the Triplett RHT37 Dual Input Hygro-

Thermometer/Psychrometer. This displays humidity, dew point, wet bulb,

temperature and temperature differential. The triple backlit LCD can be

changed to display humidity, temperature, dew point or humidity,

temperature and wet bulb or humidity, temperature and Type K

thermometer. The RHT37 can also display the temperature difference

between Type K T1 and T2 or air temperature and Type K or Type K and

dew point.

Description

METER DESCRIPTION

1. Humidity Sensor & Air Temperature Sensor

2. Triple LCD Display

3. On/Off; Set Mode

4. Min/Max/Average; Reset Min/Max

5. Air, T1, Air-T1, Dew Point

6. T1 probe input

7. T2 probe input

8. T1-T2, T2, T1-Dew Point, Wet Bulb

9. Store Current Reading; Backlight

10. Hold; Recall Mode

11. RS232 port

Note: Battery compartment is located on the rear of

the instrument.

Display Description

1. Air, T1, Air-T1, Dew Point, Low

Battery

2. Temperature °C/°F

3. T2, T1-T2, T1-Dew Point, Wet Bulb

4. Temperature °C/°F

5. Date (month, day, year), Time (24

hour clock)

6. Memory Store/Recall Location

7. Relative Humidity %

8. Maximum, Minimum

9. Hold, Average