Vehicle Testing Laboratory-Linpin Instruments

Product Parameter

Model	Studio Size（DWH）mm	Dimension（DWH）mm
LRHS-170M3-LJS	10000×4880×3500	10400×5730×4230

Temperature range	-40℃～+45℃
Temperature fluctuation	≤±1°C
Temperature uniformity	≤±2°C
Heating rate	-40℃～+25℃，average rate 0.27℃/min
Cooling rate	+25℃～-40℃，average rate 0.27℃/min
Humidity range	40%~85%RH
Outer box material	High-quality cold-rolled steel plate, surface plastic spraying treatment
Inside box material	Stainless steel plate SUS304
Insulation material	Rigid polyurethane foam + glass fiber
Controller	Adopting Japan “UMC” brand temperature meter
Cooling method	Twin-combined refrigeration
Temperature and Humidity Sensor	High Accuracy Pt100 Platinum Resistance Temperature Sensors
Internal fan	35mph±10％Speed of wind through the interior of the test chamber
Safety protection	Compressor low pressure/overload/high pressure alarm, fan motor overload, overall equipment timing, short circuit, phase loss, over temperature, leakage and other protection
Supply Voltage	AC380V±10% 50Hz
Cooling method	Water Cold

Industry News

Failure Mechanisms of Cooling Loss in Thermal Shock Test Chambers ——A Systematic Analysis Based on the Reverse Carnot Cycle

Thermal shock test chambers are indispensable in reliability qualification for electronics, aerospace, and automotive industries. Once the “no-cooling” fault occurs, the test sequence is immediately interrupted and secondary damage to the specimen may follow.

Tips: Emergency Response Plan for Temperature Overshoot in Constant Temperature and Humidity Test Chambers

If the temperature exceeds the set value during testing in a constant temperature and humidity test chamber, how should we resolve it? Are there any emergency response measures?

How to Fix a Faulty Expansion Valve in a Constant Temperature and Humidity Test Chamber

A constant temperature and humidity test chamber consists of multiple components, and any malfunction can disrupt testing. Previously, we discussed troubleshooting methods for other issues. Today, we focus on expansion valve failures.