| Small size high and low temperature (hot-humid) testing chamber |
| Model | MT80A-40 | MT80A-65 | MH80A-40 | MH80A-65 |
| Nominal volume (L) | 80 |
| Performance | Temperature range | (-40℃～+150℃) | (-65℃～+150℃) | (-40℃～+150℃) | (-65℃～+150℃) |
| Humidity range | 25～98%RH |
| Temp. Fluctuation | ≤1℃ |
| Temp. Deviation | ≤±2℃(≤+200℃),≤±3℃(+200℃～+300℃) |
| Humidity deviation | ±3%RH(≤75%RH),±5.0%RH(≤75%RH) |
| Temp. Rising time | (-40℃～+150℃) | (-65℃～+150℃) | (-40℃～+150℃) | (-65℃～+150℃) |
| ≤60min |
| Temp. dropping time | (+20℃～-35℃) | (+20℃～-60℃) | (+220℃～-35℃) | (+20℃～-60℃) |
| ≤60min | ≤80min | ≤60min | ≤80min |
| Internal demension mm | W | 400 |
| H | 500 |
| D | 400 |
| Extenal demension mm | W | 600 |
| H | 1323 |
| D | 994 |
| Method of temp. and humid. adjustment | BTC Coordinate temperature control mode | BTHC Coordinate temperature & humidity control mode |
| Operating enviorment | Temp.: 5～35℃, relative humidity: ≤85%RH, Atomoshperic pressure: 86～106KPa |
| Material | External material | Galvanized sheet on both side, plastic-spray surface treatment. |
| Inner chamber material | Stainless steel |
| Isolation material | Hard PU foam+ glass fiber wool |
| Adjustor | Heater | Nickel-chromium alloy wire heater |
| fan motor | axial flow fan motor |
| Cooling method | Mechanical compression binary folding refrigeration (air cooling) |
| Compressor | Full sealing compressor |
| Refrigerant | R404a/R23 |
| Controller | Display | 3.5"LCD touch screen |
| Way of running | Fixed parameter and programable |
| Way of setup | By touchscreen |
| Program volume | 20 group programmable, each group 100 line |
| Setting range | According to the working temp. of the chamber to adjust ( upper limit +5℃, lower limit -5℃) |
| Display resolution | Time: 0.1min; Temp. : 0.1℃; |
| Input | platinum resistor |
| Control method | Anti - integral saturated PID, BTC Coordinate temperature control mode |
| Water supply | way of supply | —— | water pump |
| Built-in water storage capacity. | 15L |
| Water quality | electrical resistivity >500Ω*m |
| Power source | AC220V±10% 50HZ±10% single phase double wire + protection earth wire |
| Max. current of power source (A) | 16 | 16 | 21 | 21 |
| Power (kW) | 3.1 | 3.1 | 4.6 | 4.6 |
| Weight (kg) | 90 | 90 | 95 | 95 |
| Standard configuration | Hour meter 1 pcs, sample frames 2 sets, power cable (5m) 1 pcs |
| Optional accessories | Rubber cover for cable hole, sample frame, wet-ball gauze, water purifier |
| Safty device | Leakage protector, Over heating protector inside the chamber, overload protector for the fan motor, compressor over-pressure protection, over-flow protection, Phase order protection, Dry heating protection, Waterway protection and etc… |
