Luvinka TR903B digital thermometer and clock

Luvinka TR903B Digital Clock and Thermometer

£64.88 (Inc. VAT)

The Luvinka TR903B is a reliable digital thermometer designed for accurate temperature monitoring in both industrial and everyday environments. With its 5-meter external sensor, large LCD display, and smart alarm features, it provides precise and convenient temperature control even in hard-to-reach areas.

Category: Digital Thermometers

Description
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The Luvinka TR903B is a professional temperature monitoring device capable of precise measurements within a wide range of -40°C to +125°C. Equipped with a 5-meter wired external sensor, it delivers accurate readings even in hard-to-reach areas, making it suitable for both industrial and residential applications.

Features

Wide temperature measurement range: -40°C to +125°C
0.1°C resolution with ±0.3°C accuracy
Selectable Celsius (°C) and Fahrenheit (°F) units
5-meter wired sensor for reliable remote measurements
25 cm large LCD display with 3 cm digits for easy readability
High & low limit alarm notifications
Built-in clock function for operational monitoring
Durable ABS + aluminum housing
Supports both wall mounting and desktop use
Low power consumption with USB-C adapter support

Technical Specifications

Measurement Range	-40…+125°C
Accuracy	±0.3°C
Resolution	0.1°C
Sensor Type	External 5m wired sensor
Display	25 cm LCD – 3 cm digit height
Housing	ABS + aluminum cover
Power Supply	USB-C + 5V 1A adapter (included)
Device Weight	765 g (with accessories)
Dimensions	245 × 136 × 24 mm
Package Contents	Device, adapter, cable, mounting screws

Menu Function Symbols

1Co → Alarm ON/OFF – °C / °F unit selection
2CH → High temperature alarm limit
3CL → Low temperature alarm limit
4EH → Hour setting
SEL → Minute setting
1CE → Calibration setting
2dF → Factory reset
3FE → Firmware / version information

How to Use?

Setup:
Remove the protective film and connect the power adapter. The values will appear on the display.
Clock Setting:
Menu button → 4EH → Adjust using the arrow buttons → Save with Menu
Alarm Limits:
Menu button → 2CH or 3CL → Select the value → Confirm with Menu
°C / °F Selection:
Menu button → 1Co → Press and hold to change the unit
Tip:
Press and hold the arrow button while adjusting values for faster changes.