AP200 CO2/H2O Atmospheric Profile System

System Enclosure

• Operating Temperature: -30° to 45°C

• Dimensions:
  52.1 x 44.5 x 29.7 cm
  (20.5 x 17.5 x 11.7 in.)

• Weight
  AP200 base model: 15.9 kg (35 lb)
  LI-840A: 1 kg (2.3 lb)
  CR1000KD: 0.3 kg (0.7 lb)
  CFM100/NL115: 0.2 kg (0.4 lb)

• Power Requirement:
  Voltage: 10 to 16 Vdc
  Average Power (at 25°C)1: 13 W
  Maximum Power (cold startup): 
  3.75 A (45 W)

Pump Module

• Pump type: Dual-head diaphragm pump with a brushless DC motor

• Mounting: Mounted in an insulated, temperature-controlled box inside system enclosure

• Control: Pumping speed is automatically controlled to maintain the pump inlet pressure at the set point

• Maximum pumping speed: 9.0 liters per minute (LPM)

• Pressure sensor range: 15.0 to 115.0 kPa

• Heater: 8.0 W, turns on/off at 2°C

• Warm-up time: ~50 min. from –30° to 2°C

• Fan: 0.7 W (turns on at 50°C and off at 45°C)

Valve Manifold

• Mounting: Mounted inside system enclosure

• Inlets: Eight air sample inlets plus one inlet for zero, one inlet for CO2 span, and one inlet for H2O span

• Connections: 0.25-in Swagelok®

• Mass Flow Sensor: 0 to 1.0 standard liters per minute (SLPM)

• Heater: 8.0 W, turns on/off at 5°C

• Warm-up time: ~20 min. from –30° to 4°C

• Fan: 0.7 W; turns on at 45°C and off at 43°C

Intake Assembly

• Dimensions: 
  31 x 12.5 x 19 cm 
  (12 x 5 x 7.5 in.)

• Weight: 1.4 kg (3.1 lb)

• Filter: 1.0-in diameter, sintered stainless steel disk filter, 10-micron pore size, CSI pn 27809

• Orifice Inside Diameter:
  0.178 mm (0.007 in.)

• Orifice Heater: 
  2 kohms (0.07 W at 12 Vdc)

• Mixing Volume: 750 ml

• Sample Connection: 0.25 in. Swagelok

• Heater Cable Entry Seals
  Number of connections: 3 (1 in, 2 out)
  Cable Diameter: 2.8 to 6.6 mm 
  (0.11 to 0.26 in)

• Heater cable screw terminals
  Wire diameter: 26 to 12 AWG
  Wire stripping length: 5.0 mm (0.2 in)
  Screw tightening torque: 0.4 N•m

1 - Average power varies from 12.5 W above 35°C to 22.5 W at –30°C.