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Methanol Concentration Meter

This meter has been developed for measurement in small sample size of concentration of methanol used in portable fuel cells (DMFC) used for laptop computers and the like.

The main unit and sensor unit are detachable.
Since methanol concentration is converted from density of the liquid, precise measurement can be made without the interference from by-products.

MCM-600

• The MCM-600 offers quick and precise measurement of methanol concentration in small sample size, of which reading is essential for practical evaluation of fuel cells.                                  • The density value measured by the built-in small sensor is converted to methanol concentration by itself.
• An improvement for the operator's stress-relief is made by large reduction of measuring time (only a few seconds) over the conventional methods.
Specification
Model name MCM-600
Device name Methanol Concentration Meter
Measuring range 0 to 100% (w/w) or 0 to 25 mol/L
Measurement resolution 0.01% (w/w) or 0.003 mol/L
Measuring method Characteristic oscillation period measuring method
Measurement precision Accuracy          (Vicinity of control point) ±0.1% (w/w)                                                                               For two-point calibration performed in the near sample concentration [Within ±10%w/w]                                            For 25℃ of sample and ambient temperatures
Repeatability ±0.05% (w/w) 
Display Indicator LCD backlit with two lines by sixteen characters
Displayed parameter Concentration of methanol: % (w/w) or mol/L                        Temperature: xx.xx℃
Minimum sample amount required 300μL (2mL; when the inside of the cell is wet)
Sample conditions Temperature 5 to 60℃
Pressure Below 400 kPa
Other conditions Contain neither solids nor SS / Wetted portion: Silicon and Stainless Steel #316
External I/O RS-232C 1-channnel, D-sub 9-pin male, connectable with either a PC or a printer for data output
Analog output Dc 0-1V (Depends on setup for output)                                Minimum setup range: 0-0.5% or 0-0.1 mol/L                 Maximum setup range: 0-100% or 0-25 mol/L   
Ambient conditions Ambient temperature 5 to 35℃
Ambient humidity Below 85%RH with no condensation
Power supply 100 to 120 / 200 to 240 VAC±10%; 50/60 Hz
Power consumption Approx. 20W
Outside dimension 187W x 367D x 237H [mm]
Mass Approx. 5 kg
Options Printer Dot impact printer
Sampling pump Peristaltic pump

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