1-7
1.3 SPECIFICATIONS
Relative Humidity Range: ---------------------------------------------------- 10 to 95 %RH
Relative Humidity Uncertainty: @ Pc Tc * ------------------------------------- 0.5 %RH
Chamber Temperature Range: ----------------------------------------------- 0 °C to 70 °C
Chamber Temperature Range: (Optional) -------------------------------- -10 °C to 70 °C
Chamber Temperature Uniformity: ** ----------------------------------------------- 0.1 °C
Chamber Temperature Uncertainty: * ---------------------------------------------- 0.06 °C
Chamber Pressure Range: ---------------------------------------------------------- Ambient
Chamber Pressure Uncertainty: * ------------------------------------------------- 0.15% FS
Display Resolution: ------------------------------------------------------------------------ 0.01
Gas Flow Rate Range: *** --------------------------------------------------- 5 to 20 L/min
Gas Flow Rate Resolution: ----------------------------------------------------- 0.02 L/min
Gas Flow Rate Uncertainty: * -------------------------------------------------------- 2% FS
Gas Type: --------------------------------------------------------------------- Air or Nitrogen
Gas Pressure Rating: (MAWP) ----------------------------------------------------175 PSIG
Heating: ------------------------------------------------- Stainless Steel Immersion Heater
Heating/Cooling Rate: -------------------------------------- 2.5 Minutes Per °C Average
Cooling: --------------------------------------------- 1/3 hp R-134A Refrigeration System
Chamber Window: ------------------------------------------ 6" x 6" (152 mm x 152 mm)
Access Port: ----------------------------------------------- 1.9" (48 mm) port in right side
Physical Dimensions:
2500 --------------------- 20.25" (514 mm) H x 33" (838 mm) W x 20" (508 mm) D
2500ST ------------------- 23.25" (591 mm) H x 36" (914 mm) W x 23" (584 mm) D
Physical Dimensions with cart:
2500 ---------------------------- 53.5" (1.36 m) H x 40" (1.02 m) W x 23" (584 mm) D
2500ST ------------------------- 56.5" (1.44 m) H x 43" (1.09 m) W x 26" (660 mm) D
Chamber Dimensions:
2500 -------------------------- 12" (305 mm) H x 12" (305 mm) W x 10" (254 mm) D
2500ST ----------------------- 15" (381 mm) H x 15" (381 mm) W x 12" (305 mm) D
* Represents an expanded uncertainty using a coverage factor, k=2, at an approximate
level of confidence of 95%. Uncertainty for relative humidity is not specified
below 0 °C.
** When operating at a test temperature that is within ±10 °C of the ambient room
temperature.
*** Optional 10 to 40 L/min flow rate available.
1.3.1 Facility Requirements
Standard Electrical Power: -------- 100VAC @ 50Hz or 120VAC @ 60Hz, 15 amps
HV Electrical Power (Optional): --- 220VAC @ 50Hz or 240VAC @ 60Hz, 8 amps
Air Supply: ------ Clean, oil free instrument air @ 175 PSIG and 0.7 cfm (20 L/min)
1.3.2 Environmental
Operating Temperature: ----------------------------------------------------- 15 °C to 30 °C
Storage Temperature: --------------------------------------------------------- 0 °C to 50 °C
Relative Humidity: ------------------------------------------ 5% to 95 % non-condensing
