Digi-Sense 20250-31 User Manual

User Manual

THE STANDARD IN PRECISION MEASUREMENT

Thermohygrometer Indicator
with External Probe

with NIST-Traceable Calibration

Model 20250-31

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Introduction

The Digi-Sense Thermohygrometer Indicator
(Model 20250-31) is designed for both indoor and outdoor
applications, and displays temperature, humidity, and time.
Advanced features of this thermohygrometer include °F/°C
unit selection, built-in sensor for indoor temperature,
external probe for outdoor temperature, Max/Min reading
for temperature and humidity, environmental comfort
indicator, and clock with alarm and date. The instrument
is fully tested and calibrated to NIST-traceable standards.
Careful use of this meter will provide years of reliable
service.

Unpacking

Check individual parts against the list of items below. If
anything is missing or damaged, please contact your
instrument supplier immediately.

1. Indicator with external probe

2. One AAA (1.5 V) battery, installed

3. C-clip for mounting

4. User manual

5. NIST-traceable calibration report with data

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Key Features

• User-selectable °C or °F units

• Built-in sensor for indoor temperature

• External probe for remote temperature and humidity
measurement

• Max/Min reading for temperature and humidity

• Environmental symbols displayed: COMFORT
(comfortable), WET (high humidity), DRY (low humidity)

• Clock with alarm and date

Meter Description

1. LCD (four readouts)

2. MODE button

3. ADJ adjustment

button

4. MEMO memory

button

5. External temperature

probe

6. °C/°F button

(on back of unit)

7. RESET button

(on back of unit)

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