STH Series Chambers

(Temperature & Humidity Testing Chambers)*

Temperature & Humidity Testing

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.

  • See Chamber Controller Software

  • 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.