UN38.3 Programmable Temperature And Humidity Test Chamber 1000L

Technical Indicators:

1.7-inch true color touch screen.

2.Two control modes: Program mode / Fixed value mode.

3.Sensor type: Two PT100 input channels (optional electronic sensor input).

4.Output method: Voltage pulse (SSR) / Control outputs: 2 channels (temperature / humidity) / 2 channels 4-20mA analog output / 16 channels relay output (passive).

5.Control signals: 8 IS control signals / 8 T control signals / 4 AL control signals.

6.Alarm signals: 16 DI external fault alarms.

7.Temperature measurement range: -90.00℃ to 200.00℃ (optional -90.00℃ to 300.00℃), error ±0.2℃.

8.Humidity measurement range: 1.0% to 100% RH, error ±1% RH.

9.Communication interface: (RS232/RS485, maximum communication distance 1.2km [fiber optics up to 30km]).

10.Interface language options: Chinese / English.

11.Features Chinese character input.

12.Printer support (USB function optional).

13.Multiple signal combination relay outputs, signals can be logically operated (NOT, AND, OR, NOR, XOR), also known as PLC programming capability.

14.Diverse relay control modes: Parameter -> Relay mode, Relay -> Parameter mode, Logical combination mode, Composite signal mode.

15.Program editing: Can program up to 120 sets of programs, each program can have a maximum of 100 segments.

Accuracy:Temperature: ±0.1℃ + 1 digit, Humidity: ±1% RH + 1 digit

Resolution:Temperature: ±0.01℃, Humidity: ±0.1% RH

Temperature Slope: Adjustable between 0.1 to 9.9.

Features: Upper and lower limit standby and alarm functions.

Temperature and humidity input signals: Wet and dry bulb PT100 x2.

9 sets of P.I.D control parameters can be set, with automatic P.I.D calculation.

Automatic calibration of wet and dry bulb.

Anti-integral saturation PID.

BTC (Balanced Temperature Control) + DCC (Intelligent Cooling Capacity Control) + DEC (Intelligent Electrical Control) for temperature testing equipment.

BTHC (Balanced Temperature and Humidity Control) + DCC (Intelligent Cooling Capacity Control) + DEC (Intelligent Electrical Control) for temperature and humidity testing equipment.

Usable program groups: Maximum of 120 patterns.

Usable memory capacity: A total of 12,000 segments.

Repeatable command executions: Each command can be executed up to 3,200 times.

Program creation follows a conversational interface, with editing, clearing, and inserting functions.

Segment time setting: 0 to 99 hours 59 minutes.

Can program sequential control module devices (up to 2 groups).

Power failure program memory: Resumes execution automatically after power is restored.

RS-485 or RS-232 communication interface.

Real-time graphical display of program execution.

Automatic adjustment of cooling capacity feature.

Scheduled start and shutdown functions.

Date and time adjustment function.

Button and screen lock (LOCK) function.