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Fabric Performance Tester

DHTH series constant temperature and humidity test box

product manual

Product Name, Type, Quantity, Dimension (Deep Width and High Height) Other Constant Temperature and Humidity Test Box DHTH-500-10-P-SD1 Studio: D700*W800*H900mm Profile: D1470*W1090*H1890mm Volume: 500L

  • description

  • compliant

  • Parameters

  • principle

  • Standard

Product Name Model


Dimensions (depth, width and height)

Other

Humidity ChamberDHTH-500-10-P-SD


Studio:D700×W800×H900mm

Appearance:D1470×W1090×H1890mm

volume:500L

Humidity ChamberDHTH-800-10-P-SD


Studio:D800×W1000×H1000mm

Appearance:D1580×W1290×H2030mm

volume:800L

Humidity ChamberDHTH-010-10-P-SD


Studio:D1000×W1000×H1000mm

Appearance:D1780×W1290×H2030mm

volume:1000L



1.Product name

Humidity Chamber

2.Sample restriction

This test equipment is prohibited:

Test or storage of flammable, explosive and volatile substance samples;

Test or storage of corrosive substance samples;

Test or storage of biological samples;

Test or storage of specimens from strong electromagnetic emission sources;

If there is a special test or storage, please communicate with the sales staff to customize.


3.Volume, size and weight

Nominal Content Product

500L  800L   1000L

Outline size(mm)

D1470×W1090×H1890mm D1580×W1290×H2030mm D1780×W1290×H2030mm

weight

350kg

4.performance

Test environment conditions

The ambient temperature is 25 C and the relative humidity is less than 85% without samples in the test box.

temperature range

10~60℃±0.5℃

Humidity range

20~90%RH±2.5%RH (Temperature and Humidity Control Table as follows)

Temperature and Humidity Contrast Diagram

图片2.png

test method

GB/T 5170.5---2008Hygrothermal test equipment

Temperature fluctuation

±0.5℃(no load)

Temperature deviation

±2.0℃(no load)

heating rate

Average2~3℃/min (no load)

cooling rate

Average0.7~ 1℃/min(no load)

Meet the test criteria

GB6529-86          Standard Atmosphere for Moisture Control and Testing of Textiles

ASTM D1776-2004    Standard Rules for Moisture Control and Testing of Textiles

5.structure characteristics

Thermal insulation enclosure structure

Outer wall material: high quality cold rolled steel plate, surface spraying treatment

Inner wall material: stainless steel SUS304

Insulation material for box: environmental protection rock wool

Door insulation material: environmental protection rock wool

Air conditioning

Centrifugal fan, heater, evaporator (with the function of light tube dehumidifier), water supply and drainage outlet, dry ball temperature sensor, humidifier, dry burning preventer, overtemperature preventer, wet ball temperature sensor, wet ball tank

Standard Configuration of Test Box

Lead hole: 50mm 2 (located on both sides of the box)

Lighting lamp: 9W/AC220V 1

Windows: transparent electrothermal film, three layers of hollow tempered glass, one (located on the door)

Visual range: 475 mm wide * 625 mm high, including the lighting shielding range

Sample rack: stainless steel sample rack 2 pieces

Casters: 4 fixed universal casters


door

Double hinged door, door handle lock, observation window, door frame/door frame anti-condensation electric heating device

Control panel

Controller Display Screen and Power Switch

Machine room

Refrigeration units, water pans, water tank drainage holes, humidifier drainage holes, overflow holes, automatic water intake holes, condenser fans, condensers

Distribution Control Cabinet

heater

Distribution board and exhaust fan

Control mode of heater for nickel-chromium alloy wire heater: Contactless equal period pulse width adjustment, SSR (solid state relay)

Humidifier

Water basin heating and humidification method, stainless steel armoured heater

Humidifier control mode: Contactless equal period pulse width modulation, SSR (solid state relay)

Water level control device, heater to prevent dry burning device

waterway

Humidifying water supply system

Power Wire Hole and Drainage Hole

Located on the back of the box

6.refrigeration system

Operation mode

Mechanical Compression Single Stage Refrigeration

Refrigeration compressor

French Taikang fully enclosed compressor

evaporator

Finned tube heat exchanger (also used as dehumidifier)

condenser

Air-cooled finned-tube heat exchanger

Throttle device

capillary

Control Mode of Refrigerator

Automatic regulation of compressor return air cooling circuit according to test conditions

Cryogen

R404a

7.electric control system

Controller

Programmable Controller for Color Touch Screen

Resolving power

Minimum display resolution 0.1 C, 0.1% RH

Operation mode

Value setting and program running

control mode

Continuous PID Control

Program settings

It can set up no less than 30 program curves. Each curve can be set at least 30 steps. It can connect no less than 6 programs at a time. It can make no less than 10 connections. A single program can do no less than 99 repetitive tests.

Program operation

Real-time display program running time, number of segments, remaining time, repetition times: can display test data, including set temperature, measured temperature, total running time, period running time, period remaining time, heating status, calendar time, temperature direct digital display.

trouble display

When a fault occurs, the LCD touch screen of the controller can display the fault number. The user can easily find the cause of the fault according to the fault number.

Step and Connection of Programs

The program can be run step by step and connected.

Interface

USBInterface

Overtemperature protector

In addition to the main controller, an independent overtemperature protector is installed in the system. Even if the main controller fails, the overtemperature protector can reliably disconnect the heating power supply to protect the safety of the equipment and the test products.

sensor

The sensor is grade A Pt100 platinum resistance sensor with high precision and accuracy.

8.Hygrothermal system water supply

Water supply mode

Pump lift

Location of water supply device

Built-in water tank

Storage tank volume

≥20L(4-7 days humidification water consumption)

9.Safety Protection Device

refrigeration system

Compressor Overheating, Compressor Overflow, Compressor Overpressure, Condenser Fan Overheating

Test box

Adjustable overtemperature, test space temperature fuse wire, air conditioning through limit overtemperature, fan motor overheating, leakage protection function, power failure protection function

Humidification system

Dry burning, abnormal water supply and abnormal drainage of humidifying heat pipe

Other

Phase Sequence and Short Phase Protection, Leakage Protection, Overload and Short Circuit Protection of Total Power Supply

10.Other configurations

Power cable

Three-phase four-wire + protective ground wire

Cable 1 (3m)

Waterproof and dustproof plug

Leakage Circuit Breaker for General Power Supply

AC380V, 50HZ three-phase four-wire + protective ground wire

11.transport   

size

Maximum Transportation Size (excluding Packaging): "See 3.3 Profile Size"

Maximum Transportation Weight (excluding Packaging): "See 3.4 Weight"

transport

The test box is integral and transported as a whole.

12.Conditions of use (guaranteed by the user for the following conditions)

Installation site

The ground is smooth and well ventilated.

No strong vibration around the equipment

No strong electromagnetic field around the equipment

No flammable, explosive, corrosive substances and dust around the equipment

There is room for proper use and maintenance around the equipment, as shown in the figure below.

Schematic diagram of equipment installation space

图片3.png 

environment condition

Temperature: Relative humidity from 5 to 35:<85%

Air pressure: 86 kPa-106 kPa

Power Supply Conditions

AC220V Single Phase + Protective Ground Wire

Voltage allowable fluctuation range: AC (220 +22)V

Frequency allowable fluctuation range: (50 + 0.5) HZ

Grounding resistance of protective grounding wire less than 4 ohms

Users are required to configure air or power switches with appropriate capacity for the equipment at the installation site, and the switches must be used independently for the equipment.

Installed power

7KW


List of accessories

Cable line

1 roots 3 meters.


Shanghai Jifa Instrument Equipment Co., Ltd. Official WeChat
Add:

2/F, Building 3, No. 3599, Yuanjiang Road, Minhang District, Shanghai

Factory address:

No. 1, Lane 19, Zhongyi East Road, Yucheng Town, Jinshan District

Fax:

021-33321965

E-mail:

jifayiqi@163.com

Copyright © 2019 Shanghai Jifa Instrument Equipment Co., Ltd. Technical support: Jiedian Technology