A61 - Thermometer Uni-T - Free user manual and instructions

Product Type	Digital Thermometer
Brand	Uni-T
Model	A61
Measurement Range	-50 to 300 °C (-58 to 572 °F)
Accuracy	±1% of reading ±1 °C (±2 °F)
Resolution	0.1 °C / 0.1 °F
Power Source	1 x 3V CR2032 battery
Dimensions	148 x 29 x 16 mm
Weight	45 g (with battery)
Display	LCD, 3.5 digits
Functions	Temperature measurement, °C/°F switch, data hold, auto power off
Probe Type	Stainless steel, 3 cm length
Cleaning	Wipe with a soft, dry cloth. Do not use solvents.
Storage Temperature	-20 to 60 °C
Warranty	1 year

Frequently Asked Questions - A61 Uni-T

How do I change the battery in my Uni-T A61 thermometer?

Open the battery compartment on the back using a small screwdriver. Remove the old CR2032 battery and insert a new one with the positive side facing up. Close the cover securely.

How do I switch between Celsius and Fahrenheit?

Press and hold the °C/°F button for approximately 2 seconds until the display changes to the desired unit.

What is the measurement range of the A61?

The thermometer measures temperatures from -50 °C to 300 °C (-58 °F to 572 °F). Do not exceed this range.

How accurate is the Uni-T A61?

Accuracy is ±1% of reading ±1 °C (±2 °F). For best results, allow the probe to stabilize for a few seconds.

Can I use this thermometer to measure liquids?

Yes, the stainless steel probe is suitable for liquids. However, do not immerse the handle or the entire device in liquid. Wipe the probe clean after each use.

How do I clean the thermometer?

Wipe the probe and body with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth. Do not use abrasive cleaners or submerge in water.

What should I do if the display shows 'Err' or 'Lo'?

'Err' may indicate a probe fault or out-of-range temperature. 'Lo' typically means low battery. Replace the battery if needed. If the problem persists, contact support.

Does the thermometer have auto power off?

Yes, the A61 automatically powers off after approximately 10 minutes of inactivity to conserve battery.

Can I measure the temperature of a hot surface?

Yes, but ensure the surface temperature is within the range (-50 to 300 °C). Use the probe tip to contact the surface and wait for a stable reading.

What accessories are included with the A61?

The package includes the thermometer, one CR2032 battery (installed), and a user manual. No additional accessories are provided.

USER MANUAL A61 Uni-T

English Manual of A61 Digital Thermometer

1. Introduction

A61 is an IP65 rated thermometer with FDA certified stainless steel probe. It is equipped with a protective shell to prevent accidental skin puncture and burning. With its portable pen-like design, clear backlight display, and auto power off functions, A61 is a great temperature measurement tool for cooking, refrigeration, heating, food processing and other applications.

2. Safety Instructions

Electrical Hazards Alert

- Never measure near live electrical components!

Announcements

• Please use this unit according to proper technical requirements and applications.
• When battery is low, the backlight will turn down or off for energy saving, please replace battery in time to ensure the accuracy.
• Please dispose used batteries into designated spots.
• Avoid exposing to flammable, explosive liquid, gas or dust environment that fire or explosion can catch.
• Do not place together with poisonous and harmful solvent (such as acetone).
• Cover the protective shell on the probe after use.
• Keep probe out of the reach of children.
• Avoid touching the probe tip to prevent injury.
• This unit is not designed for medical diagnosis, do not put the probe into any organs such as mouth, ear or nostril.

3. Description

1) Structural Description

Diagram of a medical device with numbered parts for identification and assembly reference.

1	Probe shell	6	HOLD button
2	LED alarm light	7	Temperature probe
3	LCD screen	8	Back clip
4	°C/°F_MAX/MIN button	9	Cell cover
5	Power_backlight button

2) Display Description

1 2 3 4 5 MAX MIN 6 HI -18.0 7 8 9 °C 10 °F 11

1	Auto power-off icon	7	Low temperature alarm
2	Temperature hold icon	8	Temperature data
3	Temperature alarm icon	9	Low battery icon
4	Maximum temperature	10	Centigrade unit °C
5	Minimum temperature	11	Fahrenheit unit °F
6	High temperature alarm

4. Product Features

• Backlit LCD screen offers an easy viewing experience in dark conditions
  • Maximum/minimum/real-time data measurement
• Data hold function allows to lock the temp reading Portable pen-like design with easy operation
  • LED alarm function for quick notice
  • Equipped with food grade SUS304 stainless steel probe which has FDA and GRAS certifications

• IP65 rated water and dust proof allows direct water cleaning available
  • Durable with 1m drop proof

• Specifications

Functions	Specifications
Measurement range	-40°C~250°C(-40°F~482°F)
Accuracy	±2°C(-40°C≤T<-20°C)
	±1°C(-20°C≤T≤100°C)
	±2°C(100°C< T≤250°C)
	±4°F(-40°F≤T<-4°F)
	±2°F(-4°F≤T≤212°F)
	±4°F(212°F
Minimum measuring depth	12mm
Sensor	NTC
Stabilization time	20S
Display resolution	0.1°C(0.1°F)
Battery type	1*3V button cell (CR1632)
Battery duration	12 hours
Product size	190*29.5*15.5mm
Net weight	50.8g
Operating temperature	0°C~40°C(32°F~104°F)
Storage temperature	-20°C~60°C(-4°F~140°F)
Operating humidity	< Rh80% (No condensable)
Protective level	Ip65 rated according to IEC60529
Drop test	1m
Certification	CE
Reference standard	JJG226-2001

6. Operation Guide

1) Battery Installation

As suggested direction, unscrew the cell cover by coin or other tools, put the cell inside the cover, place the cover back as arrow shows, then clockwise re-tighten it.

Diagram showing three stages of battery charging mechanism: initial, intermediate, and final state.

How to take the cell cover out

Diagram showing a battery terminal with circuit breakers and labeled components, illustrating the process from initial state to final state.

How to place the cell cover back

2) Measurement Procedures

① Press Power_backlight button to turn the unit on
② Insert probe into test object while inserting depth should be over 12mm
③ Take readings after it is stabilized

Insert probe into test object to measure internal temperature while inserting depth should be over 12mm

3) Buttons Operations Guide

Power\_backlight button

Short press to turn on/off the backlight, long press to turn on/off unit;

°C/°F_MAX MIN button

Short press to switch MAX/MIN/normal measuring data, long press to switch ^ C/F units;

HOLD button

Short press to hold or release data, long press to adjust high/low temperature alarm settings;

4) Auto Power-off (APO) Setup Guide

The auto power off is default on. If this function is on, the instrument will power off automatically if there's no action within 10 minutes, otherwise, it will keep working till the battery ran out.

Setup Guide:

With the units off, hold the °C/°F_MAX MIN button, then long press Power_backlight button till full screen display is shown, release buttons to access auto power off function setup (will display —°C), short press °C/°F_MAX MIN button can turn this function on/off, APO icon will be displayed if it is on. Short press power_backlight button to return to normal test mode and the unit will save the selected setting.

5) High/low temperature Alarm Setup Guide

The high/low temperature alarm is default on.

Setup guide:

Long press HOLD button to switch between high/low temperature alarm limit setup and normal measurement. The high temperature alarm limit is 100°C by default (maximum 250°C) while the low temperature alarm limit is 0°C by default (minimum -40°C).

In temperature alarm limit setup interfaces:

① short press °C/°F_MAX MIN button to plus 1; short press power_backlight button to minus 1;
② long press°C/°F_MAX MIN button to rapid increase; long press power_backlight button to rapid reduce;
③ short press HOLD button to turn/off the alarm function, bell icon showing means the alarm function is on.

7. Maintenance

1) Cleaning

Use soft cloth to clean the surface of thermometer with soapy water. IP65 waterproof rated meaning it can be washed under running water, but do not submerse the unit in water.

2) Sterilization

Sterilizing the unit by wiping it with damp cloth of medical alcohol immersion, and the probe can be submersed into medical alcohol directly.

UNI-T.

UNI-TREND TECHNOLOGY (CHINA) CO., LTD.

No. 6, Gong Ye Bei 1st Road,
Songshan Lake National High-Tech Industrial
Development Zone, Dongguan City,
Guangdong Province, China
Tel: [phone]
www.uni-trend.com