1. Product model

TOB-MHW-25-S Desktop constant temperature test chamber

2. Product Applications

New energy pouch cell and button cell constant temperature test

3. Sample limit

This test equipment is prohibited to be used:

• Test or storage of flammable, explosive and volatile material samples;
• Testing or storage of corrosive samples;
• Test or storage of strong electromagnetic emission source samples;
• Test or storage of radioactive substance samples;
• Test or storage of highly toxic substance samples;
• Test or storage of samples that may produce the above substances or objects during testing or storage.

4. Volume, size and weight

4.1 Inner volume

25 L

4.2 Inner box size

W280 mm × D250 mm × H360 mm

4.3 Appearance size

W360 mm × D450 mm × H470 mm

4.4 Net weight of equipment

About 40 kg

5. Performance

5.1 Test environmental conditions

Environmental temperature +25℃. Relative humidity ≤ 85%. No sample in the test chamber (no load)

5.2 Temperature range

15～60℃

5.3 Temperature fluctuation

≤1℃ (No load, stable temperature)

5.4 Temperature deviation

±2.0℃ (No load, stable temperature)

5.5 Heating time

25℃→60℃ ≤30 min

5.6 Cooling time

25℃→15℃ ≤60 min

6. Structure

6.1 Insulation structure

Outer wall material: high-quality cold-rolled steel plate, surface sprayed and painted

Inner wall material: stainless steel plate SUS304

Cabinet insulation material: polyurethane foam (insulation thickness 50mm)

6.2 Air conditioning channel

 Axial fan, semiconductor cooling (heating) module

6.3 Standard configuration of test box

Box door: hollow anti-fog tempered glass + stainless steel frame

Lead hole (with soft rubber plug): φ50mm 1 pcs(Located on the left side of the cabinet)

Sample holder: 4 layers of electrically insulating sample holder, load-bearing (uniformly distributed): 2 kg/layer

Lighting: LED lights

6.4 control panel

Touch control buttons

6.5 Air conditioning unit

Semiconductor cooling (heating) module

7. Electrical control system

7.1 Controller

LED Digital display + touch key controller

7.2 Setting method

Touch key

7.3 Control way

Forced circulation ventilation. The control system controls the output of the semiconductor cooling (heating) module according to the set temperature value and automatically calculates the output result through PID, so as to achieve dynamic balance.

7.4 Communication way

Ethernet standard interface

8. Power cord

8.1 Plug wire

1.5 m 10 A three-hole plug cable (with leakage protection)

9、transport The test box is integral, and the whole transportation

Size

Maximum shipping size (without packaging): "Refer to 4.3 Dimensions"

10. Conditions of Use The user guarantees the following conditions (the user is responsible for the installation of equipment power supply lines)

10.1 Installation site

good ventilate

No strong vibration around the device

No strong electromagnetic field around the equipment

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

10.2 Environmental conditions

Temperature: 5～35℃; Relative humidity: ≤85%; Air pressure: 86～106 kPa

10.3 Power supply condition

Voltage AC(220±22) V (50±0.5) Hz

Power Single phase + protection ground wire 0.2 kW

Maximum current 1 A

10.4 Other

Opening the door of the test box during the test will cause temperature fluctuations in the box

11. Battery specifications and placement

11.1 specifications

Coin cell or pouch cell

11.2 Placement

Four-layer placement (each layer can hold up to 8 coin cell)