Low temperature environment test chamber

Nominal content volume

225L

inner boxsize

600mm×750mm×500mm（W×H×D）

Overall dimensions

850mm×1870mm×1255mm（W×H×D）

skill

technique

ginseng

number

temperature range

－70℃～+150℃

Temperature and Humidity Range Table

control accuracy

Temperature resolution:0.01℃Humidity resolution:0.1%R.H

Temperature deviation: ±0.5℃Humidity deviation:±2%R.H

Temperature uniformity:≦2℃Humidity uniformity:±3%R.H

Temperature fluctuation:±0.5℃Humidity fluctuation:± 2%R.H

Heating and cooling rate

Heating time:-70℃ +150℃Overall average 3℃/min

cool downtime：150℃ -70℃Overall average 1℃/min

manufacture

cold

be

unify

compressor

Nippon Electric CorporationFully enclosed compressor

refrigerant

Environmentally friendly refrigerantR404A/R23

Cooling method

Mechanical binary refrigeration method

blower

Centrifugal fan with forced circulation

evaporator

Finned tube heat exchanger

condensationmethod

air cooling

condenser

Air-cooled typewingPlate condenser, cooling fan for heat dissipation

drier filter

Absorb residual moisture and acidic substances in the refrigerant of the refrigeration system, and filter out solid impurities particles, copper shavings, etc. in the system to protect the normal operation of the expansion valve and capillary tube from occurringIce blockage and dirty blockage

Humidification system

Stainless steel humidifier

heating system

Nickel chromium alloy stainless steel heater

water supply system

Front mounted water supply tank, fully automatic water supply system

control

manufacture

be

unify

controller

Lu Gongcontroller

screen display

function

1.Temperature and humidity setting(SV)actual(PV)Value displayed directly

2.Can display the execution program number,segment,Remaining time and number of cycles,Running time display

3.Program editing and graphical curve display

4.Having a separate program editing screen,Each page can be inputted4Temperature and humidity of each segment,time

5.Fixed point or program action status display

6.Language conversion can switch to Chinese/English

7.7Inch true color display screen

Program capacity

And control functions

1.Available program quantity:maximum120group, oneA program can be created by1~Composed of 99 segments in combination，capacity: 1200 segments

2.Repeatable command execution:Each command can reach999secondTemperature and humidityThe slope setting can be set by the timeline;3.Programs can be linked for use；The production of the program adopts a conversational style with simple operation；Having an editor,Clear,Insertion and other functions；Group time signal output control(Controllable control of the test substanceON/OFFaction)

4.have9groupPIDParameter Settings

5.There is a skip in program execution,Maintain functionality

6.Having power-off program memory,Automatically start and continue executing program functions after power restoration

7.Data acquisition,remit,View graphic functionality

8.PIDAutomatic calculation andFUZZYcontrol function

9.The screen can be adjusted for backlight,Backlight time can be set

10.The screen display protection function can be set to be timed or manually turned off

11.Program replication,COPY,Connection function,Edit experiment titles and other program editing functions

12.Equipped with scheduled startup and shutdown functions

13.Having a date,Time adjustment function

14.Button and screen lock(LOCK)function

15.Standby image viewing function and abnormal handling image explanation function

Setting method

middle/English interface, touch input

Operation mode

Program mode/Fixed value method

set the scope

Maximum temperature range upper and lower limits5℃

apparentshowresolution

temperature0.01℃； Time:0.1min;

Power off memory function

The power-off recovery mode can be set to: hot start/Cold up/停止

input

rtd

Storage function

Standard Configuration Record experimental data curves, upload and download data, expandable storage capacity

Software usage environment

IBM PCCompatible machine,PII or aboveCPU，128MThe above memory is in Simplified ChineseWindows2000Or Simplified ChineseWindowsXPoperating system

Security protection measures

Overall equipment overheating, fan overheating protection, overall equipment under phase/Reverse phase, refrigeration system overload, refrigeration unit overpressure, overall equipment timing, leakage, operation indication, automatic shutdown after fault alarm and other protections

structure

Chassis shell

premiumCold rolled steel plate electrostatic spraying

Inner wall of chassis

SUS304 # stainless steel plate

adiabaticmaterial

100Mm polyurethane rigid foam（Optional:Above 150 ℃High density glass fiber cotton）

Standard Configuration

φ50Test holes, lighting fixtures, double-layer vacuumreinforcementGlass observation window

weight

about305kg

current

22A

rated power

8.7kw

power supply

threeXiang,380V