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  • III serial Low humidity type temperature&humidity test chamber
  • III serial Low humidity type temperature&humidity test chamber
III serial Low humidity type temperature&humidity test chamber

Invention patent: Water supply structure of wet heat system in high and low temperature alternating wet heat test chamber ZL20191125128.4

Utility model patent: Energy saving temperature control system ZL2019221942311.1 for high and low temperature alternating humidity test chamber

Utility model patent: Energy saving refrigeration system ZL201922189626.2 for high and low temperature alternating wet heat test chamber

Software Copyright: Temperature and Humidity Energy saving Control System - Software Copyright Registration No. 0970592

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Equipment Introduction

1. Device introduction:

The equipment is used to test and verify the conformity of electrical and physical properties of samples under high and low temperature or alternating humidity and heat environments,so it widely used in aviation, aerospace, electronics, electrical appliances, communications, automobiles, new energy, military and other industries; It can perform high temperature storage, low temperature storage, high temperature and humidity, humidity and heat alternating change test.

2. Device features :

2.1. The device can perform tests for "85 ℃&85% RH" high temperature and high humidity, "40 ℃&10% RH" high temperature and low humidity, "25 ℃&5% RH" low temperature and low humidity; And ensure that no condensation or water droplets are generated during the testing process. Simultaneously, it can achieve precise control of both temperature and humidity slopes by synchronously implementing the linear slope rise and fall of humidity under the condition of "temperature linear rise or fall";

2.2 Adopting electronic expansion valve servo control of refrigerant flow throttling technology reduces energy consumption by 30%; Continuous operation without fault at low temperature for ≥ 2400 hours; The device has a lifespan over 100000 hours, and its safety performance has passed the EU CE safety certification.

3.Device specification: 

Model No.

PTH-III-225D

PTH-III-408D

PTH-III-1000D

Internal volume

225L

408L

1000L

Internal size

W60xH75xD50cm

W60xH85xD80cm

W100xH100xD100cm

External size

W88xH175xD135cm

W88xH185xD175cm

W128xH202xD196cm

Rated power

380V/5.6kw/

380V/5.7kw

380Vac/13.0kw

Device weight

380kg

450kg

680kg

Temperature range

-40℃~+150℃

Humidity range

5%~98%R.H

Temperature deviation

≦±1.0℃(-40~+100℃);  ≦±1.5℃(+101~+150℃)

Temperature uniformity

≦±1.0℃(-40~+100℃);   ≦±1.5℃(+101~+150℃)

Humidity deviation

≦±2.0%R.H

Humidity uniformity

≤3.0%R.H

Average heating rate

Average heating rate≥5.0℃/min

Average cooling rate

Average cooling rate≧3.0℃/min

Linear heating rate

0.1~3.0°C/min Can be ramp set

Linear cooling rate

0.1~1.5°C/min Can be ramp set

Refrigeration method

Electronic expansion valve throttling

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