STH Series Chambers
(Temperature & Humidity Testing Chambers)*
Specifications:
Temperature range: -70 ~ +150 °C
Humidity range: 20 ~ 98 %RH (+15 ~ +85 °C)
Temperature fluctuation: ≤ ± 0.5 °C
Temperature uniformity: ≤ 2.0 °C
Temperature deviation: ≤ ± 2.0 °C
Humidity deviation: +2, -3 %RH (≤ ± 2.0 °C)
Heating time (no load): -70 à +150 °C within 70 minutes
Cooling time (no load): +20 à -70 °C within 75 minutes
Control method: balanced temperature control (BTC system)
Operation and Control:
Galvanized steel place coating on cover
Stainless steel plate with polishing processing on internal surface
Hard foaming polyurethane + superfine glass wool
Cascade refrigeration with mechanical compressing method (air cooled)
Hermetic reciprocating type of compressors
Environmental protection type of refrigerant
Nickel-chromium metal wire heater
Stainless armored humidifier
Centrifugal fan
Conducting film heating observation window
Built-in platinum resistance (PT100) temperature sensor
Built-in wet and dry bulb humidity sensor
Humidification water supplied by an electromagnetic pump
Humidification water tank capacity 20L
7-inch color touch screen controller with TCP/IP, USB and RS232 interfaces.
Accessories:
1 observation window
1 cable hole (50mm, on the left side)
Isolated plate
2 sets of isolated bar
Individual over temperature protector
Chamber illumination
Swivel castors
*Systems tested & assembled in the USA coming soon. Check here for availability.
Model Number | Units | ST-010U | STH-020U | STH-040U | STH-050U | STH-100U |
---|---|---|---|---|---|---|
Internal volume (L) | L | 120 | 210 | 392 | 504 | 1000 |
Internal dimensions - DxWxH | mm | 500x400x600 | 600x500x700 | 700x700x800 | 800x700x900 | 1000x1000x1000 |
Outline dimensions - DxWxH | mm | 980x900x1650 | 1080x1000x1860 | 1180x1200x1910 | 1285x1200x2070 | 1500x1500x2170 |
Weight | Kg | 380 | 420 | 450 | 540 | 650 |
Power Supply | AC 110/220V, 60/50Hz | AC 208/480V, 60Hz 3-phase or 380V, 50Hz 3-phase | ||||
Maximum current | A | 22 | 14 | 17 | 21 | 28 |
Maximum power consumption | kW | 5 | 6.3 | 7.5 | 10.5 | 15 |
Required ambient temperature/humidity | +5 ~ +35 °C / ≤ 85 %RH |
* All the data is measured under +23°C room temperature without payload.
** Outline dimensions include circulating fan cover and swivel castors.