Rossmax Digital Medical Thermometer TG380 Introduction

The Digital Medical Thermometer provides quick, highly accurate readings over the human body temperature range. Please read the instructions completely first. The quality of the thermometer has been verified and conforms to the provisions of the EC council directive 93/42/EEC (Medi-cal Device Directive) Annex I essential requirements and applied harmonized standards. EN 12470-3: 2000 /A1: 2009 Clinical thermometers-Part 3: Performance of compact electrical thermometers (non-predictive and predictive) with maximum device. Priced at approximately $19.99, the TG380 is an affordable choice for maintaining health and wellness.

Specifications

MeasurementRange	32.0ºC~42.9ºC (89.6~109.2ºF)
Display	LCD 3 1/2 digits with ºC
Display resolution	0.1ºC or 0.2ºF
Accuracy	±0.1°C 35.5°C~42.0°C(±0.2°F 95.9°F~107.6°F) ±0.2°C under 35.5°C or over 42.0°C (±0.4°F under 95.9°F or over 107.6°F) at standard room temperature 25.0°C (77.0°F)
Memory	For storing the last measured value
Battery	One 1.5 V DC. button size battery (SR41 or LR41)
Battery Life	Approx. 1500 times operation or 1 year with 1-2 measurement perday including standby mode.
Dimension	TG250 : 13.2x2.3x1.3cm TG380: 13.2x2.3x1.3cm
Weight	TG250 : 14.5 grams including battery TG380 : 14.5 gramsincluding battery
Alarm	beep sounds(beep-beep-beep 10 times) when peak temperature is reached
Environmental for using	Temperature: 5~40ºC (41ºF~104ºF) Humidity: ≤95%RH
Waterproof Level	Waterproof
Storage and trans-portation condition	Temperature: -25.0°C~55.0°C (-13.0°F~131.0°F) Humidity: ≤95%RH
Accessories	battery, carrycase, instruction manual
Safety classification Type B Applied Part

Overview

Attention: Consult the accompanying documents. Please read this manual carefully before use. Please be sure to keep this manual.

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Description

The Rossmax Digital Medical Thermometer TG380 is built with durability and ease of use in mind. Its compact size and lightweight design make it easy to carry around, while its large LCD display ensures clear visibility of temperature readings. The device comes with a set of disposable probe covers, which enhance hygiene and reduce the risk of cross-infection.

The thermometer also includes a mute function, allowing for silent operation when needed, and an auto-shutoff feature to conserve battery life. These features combine to make the Rossmax TG380 an indispensable tool for healthcare professionals and home users alike.

How to Use

Push the On/Off button by the display window. The display will read for 2 seconds, and a beep sound will be heard.
Release the On/Off button, and the last measured temperature will be shown for about 2 seconds. Then, the self-test temperature of 37.0°C (98.6°F) will display, followed by "Lo°C" (or "Lo°F").
Wipe or dip the probe with alcohol for disinfection. Position the probe in the oral, rectal, or axillary site.
Once the degree sign °C (°F) on the display has stopped flashing (usually within 10 to 40 seconds), a beep signal will sound approximately 10 times. The measured temperature will then be shown on the LCD window. The temperature reading will not change after the unit is removed from the testing position.
- If the temperature is less than 37.8°C (100.0°F), the buzzer will sound:
  "Bi---Bi---Bi---Bi---"
- If the temperature is greater than or equal to 37.8°C (100.0°F), the buzzer will sound a higher frequency:
  "Bi-Bi-Bi----Bi-Bi-Bi--" (approximately 10 times).
The unit will automatically turn off in 10 minutes for energy-saving purposes. However, to prolong battery life, it is recommended to press the On/Off button to turn off the unit once the measurement is done.
Dispose of any used batteries and the thermometer according to local regulations.

Note: After step 2, if the room temperature is greater than 32.0°C (89.6°F), the room temperature will be displayed.
Note: Using the probe cover may result in a 0.1°C (0.2°F) difference from the actual temperature.
Note: Clean the probe before and after using the thermometer to ensure accurate readings and to avoid cross-contamination.

Oral Use

Place the probe well under the patient’s tongue.
Ensure the patient keeps their mouth closed for about 20 seconds.
Do not drink hot or cold fluids, exercise, smoke, or engage in other activities prior to the reading. These activities may raise or lower temperature readings compared to the patient’s normal, average temperature.

Axillary Use

Tightly place the probe in the patient’s armpit for about 30 seconds.

Please ensure close contact between the probe and the armpit, especially for babies or children.

Rectal Use

Always use a probe cover when taking rectal measurements.

Commonly used for young children when it is difficult to take an oral or axillary temperature.
Lubricate with a water-soluble gel. Do not use petroleum jelly.
Gently insert the probe tip no more than 1.5-2 cm into the rectum for about 10 seconds. Do not force the tip into the rectum if resistance is encountered.
Disinfect the thermometer after use. Refer to the “Cleaning and Disinfection” section.

°C / °F Switchable

Temperature readings are available in either the Fahrenheit or Celsius scale (°C / °F; located to the right of the LCD). With the unit off, press and hold the On/Off button for approximately 4 seconds to change the current setting.

Battery Replacement

When the battery icon appears on the upper right corner of the LCD, the battery is exhausted and needs replacement.
Pull the battery cover off in the direction shown.
Pull out the battery with a sharp object such as a pen. Keep exhausted batteries out of reach of children.
Place a new 1.5V D.C. button-size battery (type SR41 or LR41 or equivalent) in the chamber with the positive side facing up and the negative side facing down.
Install the battery cover back.

Display on the LCD

M: Last measured temperature.
Battery Icon: When the battery icon appears on the upper right corner of the LCD, the battery is exhausted and needs replacement.

Setup Guide

Setting up and operating the Rossmax Digital Medical Thermometer TG380 is straightforward:

Insert the batteries into the battery compartment according to the polarity markings.
Attach a disposable probe cover to the thermistor tip if using orally or rectally.
Select your preferred measurement mode using the mode button.
Place the thermistor tip under your tongue (orally), in the rectum (rectally), or in your armpit (underarm) and hold until you hear a beep indicating that measurement is complete.
Read your temperature on the LCD display.

Cleaning and Disinfection

Clean the unit by wiping it with a dry cloth and sterilize the probe with ethyl alcohol.
Do not let the unit come into contact with any chemical thinner.
Do not soak the display in water.

Caution

Do not bend, drop, or twist the thermometer. It is not shockproof.
Do not boil the probe for disinfection.
Do not store the unit under direct sunlight, at high temperatures, in high humidity, or in dusty environments. Avoid sunlight and extreme temperatures or humidity.
Do not disassemble the unit. See the Battery Replacement section to replace the battery.
Avoid strong electromagnetic interference from devices like microwave ovens and cell phones.
Ensure the probe is dry before placing the thermometer into the carry case.
The thermometer contains small parts (battery, etc.) that can be swallowed by children. Never leave the thermometer unattended with children.
Clean the thermometer after every measurement, whether or not the probe cover was used.
Keep the battery away from children. It can be harmful if swallowed.
Do not charge or expose the battery to extreme heat, as it may explode.
This thermometer is intended for oral, axillary, and rectal use only; do not use it in the ear.
Using the probe cover may result in a 0.1ºC (0.2ºF) discrepancy from the actual temperature.
Remove the battery from the thermometer when not in use for a prolonged period.
If the unit was stored in an extreme environment before use, ensure it has acclimatized to room temperature before taking measurements.
This is a home healthcare product only and is not intended to substitute the advice of a physician or medical professional.
Do not use this device for diagnosis or treatment of any health problem or disease. Measurement results are for reference only. Consult your physician if you suspect any medical problems. Do not change your medications without your physician's advice.
This device may not meet its performance specifications if stored or used outside the specified temperature and humidity ranges.
If this device is used according to the operating instructions, periodic re-calibration is not required. If you have further questions, please send the device to the dealer.
Do not dispose of the product in household waste at the end of its useful life. Disposal can take place at your local retailer or appropriate collection points.
This device is for oral, axillary, and rectal use only.
High, prolonged fever requires medical attention, especially for young children. Please contact your physician.
For safety reasons, during children’s temperature measurement, keep them from crying, walking, talking, or engaging in any related dangerous activities.

Rossmax Digital Medical Thermometer TG380 Troubleshooting

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EMC guidance and manufacturer’s declaration

Guidance and manufacturer’s declaration-electromagnetic immunity

TheTG250/TG380 is intended for use in the electromagnetic environment specified below.

The customer or the userof the TG250/TG380 should assure thatit is used in suchan environment.

Immunity test

IEC 60601test level

Compliance level

Electromagnetic environment-guidance

Electrostaticdischarge(ESD) IEC61000-4-2

+ 6 kV contact

+ 8 kV air

+ 6 kV contact

+ 8 kV air

Floors should be wood, concrete or ceramic tile. If floors are covered with synthetic material, the relative humidityshould be at

least 30%

Electrical fasttransient/burst IEC61000-4-4

+ 2kV for power

supply lines

+ 1kVfor input/ outputlines

Notapplicable

Not applicable

Mains power quality should be that of a typical commercial or hospital environ- ment.

Surge IEC 61000-

4-5

+ 1kV line(s) to line(s)

+ 2kV line(s)to

earth

Notapplicable

Not applicable

Mains power quality should be that of a typical commercial or hospital environ- ment.

Voltage Dips, short interruptions and voltage variations on power supplyinput lines IEC 61000-4-11

<5% UT(>95% dip

in UT)for 0,5 cycle40% UT(60% dip in UT) for 5 cycles 70% UT(30% dip in UT) for 25 cycles

<5% UT(>95% dip

in UT) for 5 s

Not applicable Not applicable Not applicable

Notapplicable

Mains power quality should be that of a typical commercial or hospital environ- ment. If the user of the TG250/TG380 requires continued operation duringpower mains interruptions, it is recommended that the TG250/TG380 be powered from an uninterruptible power supply or a bat-

tery.

Power fre-quency(50/60 Hz) magnetic field IEC

61000-4-8

3 A/m

The TG250/TG380 power frequency magnetic fields should be at levels char- acteristic of a typicallocation in a typical

commercial or hospital environment.

NOTE UT is the a.c. mainsvoltage prior to application of the test level.

At 80 MHz and 800 MHz, the higher frequency range applies. These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people.

Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios,amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the TG250/TG380 is used exceeds the applicable RF compliance level above, the TG250/TG380 should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the TG250/TG380.
Over the frequency range 150 kHz to 80 MHz, field strengths should be les than 3 V/m.

Recommended separation distance between portable and mobile RF communications equipment and the TG250/TG380
The TG250/TG380 is intended for use in an electromagnetic environment in which radiated RF distur- bances arecontrolled. The customer or the userof the TG250/TG380 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the TG250/TG380 as recommended below, according to the maximum output power of the communications equipment.
Rated maximum output power of transmitter W	Separation distance according to frequency of transmitter m
Rated maximum output power of transmitter W	150 kHz to 80 MHz d =1,2√P	80 MHz to 800 MHz d =1,2√P	800 MHz to 2,5 GHz d =2,3√P
0,01	N/A	0,12	0,23
0,1	N/A	0,38	0,73
1	N/A	1,2	2,3
10	N/A	3,8	7,3
100	N/A	12	23
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in meters (m) can be estimated using the equation applicable to the frequency of the trans- mitter, where P
The maximum output power rating of the transmitter in watts (W) according to the transmitter manu- facturer. NOTE1 At 80 MHz and 800 MHz,the separation distance for the higherfrequency range applies. NOTE2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people.

Warranty

This instrument is covered by a 5-year guarantee from the date of purchase, batteries and accessories are not included. The guarantee is valid only on the presentation of the guarantee card completed by the dealer confirming the date of purchase or the receipt. Opening or altering the instrument invalidates the guarantee. The guarantee does not cover damage, accidents or non-compliance with the instruction manual.

Pros & Cons

Pros

High Accuracy: Provides precise temperature readings.
Fast Response: Quick measurement time saves time in busy environments.
Multimode Capability: Can be used orally, rectally, or underarm.
Hygienic Design: Easy to clean with disposable probe covers.
Compact Design: Lightweight and easy to carry around.

Cons

Battery Drain: Frequent use can lead to faster battery drain if not managed properly.
No Wireless Connectivity: Does not support wireless data transfer or app connectivity.
Probe Covers Required: Additional cost for disposable probe covers may be necessary over time.

Customer Reviews

Customers have praised the Rossmax Digital Medical Thermometer TG380 for its accuracy and ease of use. Many reviewers appreciate its fast response time and multimode capabilities. However, some users have noted that it may require more frequent battery replacements compared to other models on the market.

Common complaints include occasional inaccuracies if not used correctly and the additional cost of disposable probe covers over time.

Error message	Problem	Solution
	The system isnot functioning properly	Unload the battery, waitfor 1 mins and repower it. If the message reappears, con- tact the retailer for service.
(bi-bi...bi)x10	Temperature taken is higher than42.9°C (109.2°F)	Take a new temperature measurement after 6 sec.
	Temperature tak- en is lower than 32°C(89.6°F)	Take a new temperature measurement after 6 sec.
	Dead battery: Battery icon is flashing, can’t be measurable.	Suggest to replace the battery.

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