Part No.: 03K5000A

Pre-Cooling Unit VC-2-SL with SR25.1 and Fan

Product features

  • Pre-cooling unit with 2 Jet-Stream heat exchangers made of Duran® glass
  • For cooling highly water vapor saturated gases to ambient temperature
  • With 2 integrated peristaltic pumps for automatic condensate removal
  • With fan for forced ventilation of the cooling fin block
  • Including cover for optimum air flow
  • Gas flow rate recommended: 2 x 250 Nl/h
  • Compact design
  • Light weight
  • 2 gas connections per heat exchanger: GL 18-6 mm
  • 1 condensate connection per peristaltic pump: DN 4/6
  • Power: 115 V
  • Material of sample-contacting parts: Duran® glass, PTFE, PVDF, Novoprene
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Pre-Cooling Unit VC-2-SL with SR25.1 and Fan

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Pre-Cooling Unit VC-2-SL with SR25.1 and Fan

Product information & downloads

Manual 1 MB
Data sheet 328 KB
CE Certificate 247 KB
Unit calculator

Barometric adjustment of the operating altitude of O₂ analyzers without pressure compensation

Enter the planned operating altitude in the field. Set the analyzer to the calculated O2 vol% value at 1013 mbar (altitude = 0 m) in air to measure at the planned operating altitude without barometric error.

Result: 22,9378 [vol%] need to be set to measure at the planned altitude without barometric error.*

*Air with standard pressure 1013 mbar = 20.93 vol% O₂

Pressure drop and delay time

Enter your values in fields 1 to 3.

1

2

3

Result: 3,39 Delay time approx. in [s]*

* Single change of gas, for 90 % response time approx. 3 changes of sample volume are required.

Calculation of the pressureless 100 % H₂O saturation

Enter the required H₂O dew point (°C).
The calculation only provides sufficiently accurate values in the temperature range between -20 °C and +90 °C.

Pressure units

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Temperature units

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Length units

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Area units

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Volume units

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Weight units

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Energy units

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Flow rate

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Flow velocity

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Performance units

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With two jet-stream heat exchangers for 250 Nl/h gas each, a ventilator and two peristaltic pumps on a mounting plate, power: 230 V/50 Hz or 115 V/60 Hz

The M&C pre-cooling units VC-… are used in gas analysis technology for condensate pre-separation in the case of gases highly saturated with water vapour, e.g. to relieve the downstream main cooling system if water or water vapour penetrations are to be expected on the process side, when non-heated sample lines are laid without a sufficient gradient, for measuring systems with chemical sensors.
Pre‑cooling unit type VC‑2‑SL, consisting of an aluminium cooling block, equipped with 2 jet‑stream heat exchangers type EC‑G and 1 fan under the heat exchanger, mounted on a plate, 2 peristaltic pumps SR25 in a housing for condensate removal, power: 115 V/60 Hz
Explosion-proof No
Cooling Passive
Temperature Ambient temperature
Gas paths 2
Flow rate/gas path > 150 Nl/h
Material Glass
Power supply 110‒120 V

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