This device is a specialized experimental instrument used to accurately determine the temperature at which the actual phase change (water crystallization) begins to occur in frozen soil.

Frozen Soil Freezing Temperature Tester

Model:TGSYC-1

I. Product Introduction

1.The TGSYB-series frozen soil freezing temperature tester is developed and manufactured by Hebei Tianqixingzi Inspection Equipment Co.,Ltd., based on the People's Republic of China's Transportation Industry Standard JTG3430—2020, specifically T0184-2007 "Freezing Temperature Test" and T0186-2007 "Unfrozen Moisture Content Test". This product is suitable for freezing temperature testing of undisturbed and disturbed clayey and sandy soils.                                                             This product is also suitable for:

GB/T50123 "Standard for Geotechnical Testing Methods";

SL237-036-1999 "Geotechnical Testing Procedures"—Freezing Temperature Test;

TB10102-2010 "Railway Geotechnical Testing Procedures";

2. Product Structure and Model

The instrument and equipment include a zero-temperature flask, a low-temperature flask, temperature measuring equipment, and sample cups, as shown in the figure.

II. Technical Parameters

Rated Voltage: 220V±10%

Rated Power: <0.1W

Touchscreen Size: 7.0"

Resolution: 800*480

LCD Screen: TFT LCD display, LED backlight

Display Colors: 16.77 million colors

Brightness: Adjustable

Touch Panel: Four-wire resistive touchscreen

LCD Lifespan: Over 50,000 hours, 24-hour operation at 25℃

Memory: 128MB

Zero Temperature Bottle: 3.57L volume, containing an ice-water mixture (temperature should be 0 ± 0.1℃).

Low-temperature bottle: 3.57L volume, containing a mixture of low-melting-point ice crystals, preferably at -7.6℃.

Temperature measuring equipment: Consists of a thermocouple and a digital voltmeter. Thermocouples should preferably be made of 0.2mm copper and constantan wire.

Digital voltmeter: Range 2mV, scale division 1μV.

Sample cup: Made of brass, 3.5cm in diameter, 5cm high, with a lid.