APTAC 264 - Automatic Pressure Tracking Adiabatic Calorimeter

General

Technique

Accessories

 

APTAC 264 - Technical Specifications (subject to change)

 

• Single-headed vessel rated at 140 bar (2,000 psia)

• Test cell (standard): 130ml capacity, 2.5”
  internal dia., 0.5” stem

• Sample size: 5 -75 ml

• Thermal inertia (Φ) factor: variable—typically ~ 1.10

• Operational temperature range: RT to 500°C

• Temperature measurement:
  type N thermocouples with 16-bit sampling giving 0.025°C resolution

• Exotherm detection sensitivity:
  0.04 K/min; 0.01 K/min with RTD’s

• Tracking rate at adiabatic operation up to 400 K/min

• Operation pressure range: vacuum to 140 bar (2,000 psia)

• Pressure measurement: ±0.1% full scale

• Pressure tracking: typically up to 680 bar/min (10,000 psia/min)

• Pressure control: PI control of pneumatic flow valves

• Stirring, injection, and vent capability standard

• ASTM standard: E1981