• Moist Cabinets

Moist Cabinets

for Curing Mortar and Concrete


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MA-236R Moist Cabinet for curing mortar and concrete test specimens has 11ft³ capacity and heated, triple-pane glass door to minimize condensation for observation of specimens

Remote alarms and RS-232 interface for temperature and humidity allow continuous monitoring and data acquisition with user’s PC. An optional factory-installed 7-day chart recorder is available. Temperature range is from 32°—140°F (0°—60°C), settable in 0.2°F (0.1°C) increments. Humidity controls are settable in 1.0% increments and maintain up to 95% humidity.

Positive horizontal airflow ensures temperature uniformity to ±0.6°F at 77°—98.6°F (±0.3°C at 25°—37°C). Uniformity at 0—25°C and 37—60°C is ±0.5°C. Chamber temperature and humidity are shown on LED displays. Audible and visible alarms indicate temperature and humidity variations beyond setpoints. Three stainless steel shelves with 50lb (23kg) stationary capacity, adjustable on 2in (50mm) centers are included. Up to eleven shelves are accommodated in the 31x27x24in (78.7x68.6x60.9cm) 20-gauge stainless steel chamber. Please inquire for extra standard shelves or perforated stainless steel shelves.

Exterior case is 18-gauge powder-coated steel. Heat is provided by two 600 Watt wire-wound elements. Cooling is via a 1/4hp, non-CFC compressor. A steam generator provides chamber humidity. User-supplied water source must be rated between 50K-ohm and 1meg-ohm resistance.


  • Heated triple-pane glass door minimizes condensation
  • 18-gauge powder-coated steel exterior case
  • Remote alarms and RS-232 interface allow for continuous monitoring
  • Data-acquisition from user’s PC
  • Settable humidity controls
  • LED displays
  • Accommodates up to 11 shelves

Included Items

  • MA-236R Moist Cabinet (220V/60Hz, 14 amp Single Phase), or
  • MA-236RF Moist Cabinet (240V/50Hz, 13amp Single Phase)
  • Three 50lb (23kg) adjustable stainless steel shelves


  • MAA-23 Moist Cabinet Chart Recorder, Factory-Installed, tracks temperature and humidity data

Capacity 11ft³ (311.5L)
Humidity Range Maintain up to 95%, settable in 1.0% increments, Above ambient to 95% at 37°C (98.6°F)
Uniformity ±0.6°F at 77°—98.6°F (±0.3°C at 25°—37°C), and ±0.5°C at 0—25°C and 37—60°C
Temperature Range 0° to 60°C
Temperature Accuracy ±0.1 at 25° to 37°C
Relative Humidity Accuracy Relative humidity control via steam generator from above ambient to 95% at 37°C
Humidity Accuracy ±5.0%
Humidity Resolution 0.01
Water Consumption 0.25gal/hr Input Water Volume
Display Digital dual LED
Power Requirements Heat is provided by two 600 Watt elements, cooling is via a 1/4hp, non-CFC compressor
Power Supply NEMA 14-20P Plug
Electrical Single Phase
Inside Dimensions 31 x 27 x 24in (78.7 x 68.6 x 60.9cm) WxDxH
Product Dimensions 38 x 32 x 51.5in (96.5 x 81.3 x 130.8cm) WxDxH
Net Weight 575lb (261kg)
Estimated Shipping Weight 715.0lbs (324.32kg)