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Model CI-XT60N-MOProposal 202609P01Quotation 260901Q02
Chang Ai Technology · Mora Pharmaceuticals & Consulting, Buenos Aires

Online Medical Gas Analysis System

Floor-standing 19-inch analysis cabinet for continuous quality monitoring of medicinal oxygen to Ph. Eur. and USP limits. Four rack analyzers measure O₂, CO, CO₂ and H₂O; the panel below handles pressure reduction, flow control and calibration.

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Measurement requirements

ParameterAnalyzerPh. Eur.USPMeasuring range
Oxygen O₂CI-PC312≥ 99.5 % v/v≥ 99.0 % v/v0~99.99 %
Carbon Monoxide COCI-PC21-C< 5 ppm v/v< 10 ppm v/v0~20 ppm
Carbon Dioxide CO₂CI-PC21-B< 300 ppm v/v< 300 ppm v/v0~1000 ppm
Moisture H₂OCI-PC31< 67 ppm v/vNot specified−100~+20 °C Td

Analyzer performance

AnalyzerPrincipleAccuracyRepeatabilityResolutionLODResponseSample flow
CI-PC312 O₂Paramagnetic±0.1 % (linearity)—0.01 %0.05 %T10~90 < 2.5 s500~1000 mL/min
CI-PC21-C CONDIR±2 % F.S.±1 % F.S.0.01 ppm0.1 ppmT90 < 15 s500~1000 mL/min
CI-PC21-B CO₂NDIR±2 % F.S.±1 % F.S.0.1 ppm0.5 ppmT90 < 15 s500~1000 mL/min
CI-PC31 H₂OAluminium oxide capacitive±2–3 °C±0.5 °C0.1 °C−100 °C5~45 s2~3 L/min

Sample pressure at each analyzer: atmospheric ±10 %. Expected sensor life > 2 years, analyzer life > 5 years under normal use.

Cabinet

Model
CI-XT60N-MO
Dimensions
600 W × 1800 H × 800 D mm, on 100 mm base
Enclosure
19-inch standard analysis cabinet, powder-coated steel, RAL 7035
Doors
Front door with round-cornered window and thick black rubber lining; solid rear door. Both right-hinged (seen from the front) with lockable handles aligned
Rack layout
CI-PC312 3U; CI-PC21-C, CI-PC21-B, CI-PC31 4U each; 1U label strip under each analyzer
Connections
Sample inlet and cables at bottom, exhaust outlet at top, calibration gas inlets on front panel
Lifting
4 × eye bolts on roof

Signals and data

Communication
RS485 Modbus (standard), RS232 (optional)
Analog output
4~20 mA, selectable 0~20 mA / 0~1 V / 0~5 V / 0~10 V / 1~5 V
Relays
High/low concentration alarm and fault
Data storage
SD card (standard), USB (optional)
Display
CI-PC312 5-inch colour touchscreen; CI-PC21 / CI-PC31 backlit LCD with 4-key panel

Sampling and calibration panel

  1. Sample inlet ON/OFF valve, pressure regulator and gauge: 0.6–20 MPa reduced to atmospheric
  2. Dust filter and gas cooling, mounted behind the panel
  3. Flowmeters with needle valves: bypass, O₂, CO, CO₂, H₂O
  4. Calibration lines for CI-PC312, CI-PC21-C and CI-PC21-B, each with ON/OFF valve, regulator and gauge
  5. 3-way selector valves (sample / calibration) with front-panel calibration inlets
  6. CI-PC31 sample ON/OFF valve
  7. Exhaust header to the top outlet; SS316 tubing and fittings routed behind the panel

Calibration and maintenance

Cycle
1 year recommended, all analyzers
Zero gas
5N nitrogen, 99.9995 % N₂
Span gas
O₂ 80.0 % · CO 16 ppm · CO₂ 800 ppm · H₂O not applicable
Gas supply
Calibration gases sourced locally in Argentina by the buyer
Certificates
Factory calibration certificate with each analyzer
Routine
Filter element replacement, leak check of gas-path fittings

Concept model for proposal illustration, based on the CI-XT60N1292 cabinet and panel arrangement. Final internal layout follows the factory general arrangement drawing.