YOKOGAWA FC400G

< 2. Specications >
2-1
IM 12F5A1-01E
2. SPECIFICATIONS
2.1 StandardSpecications
2.1.1 FC400GFreeAvailableChlorineAnalyzer(Non-ReagentType)
MeasuredObject: Freechlorineintapwater
Measuring System: Polarographic method using rotating electrode
Display Method: Digital (3 1/2 digit LCD) display
Measuring Range: 0 to 3 mg / l
Output Range: Can switch between arbitrary ranges(each between 0 to 1 mg/l and 0 to
3 mg/l). Default ranges at shipping time are:
Range 1: 0 to 2 mg/l, Range 2: 0 to 3 mg/l
OutputSignal:  4to20mADC(loadresistance:550Ωorless)or1to5VDC(output 
   resistance:300Ωorless),isolated
Contact Output: 2 points, Dry contact
EventofError; Excessivedi󰀨usioncurrentvalue,measuredtemperatureerror,applied
voltage error, converter error, and temperature compensation range over
Maintenance; Any modes other than measurement (MEAS) mode
Contactcapacity; 250VACmax.,1Amax.,125VAmax.(resistanceload)  
220VDCmax.,1Amax.,60Wmax.(resistanceload)
Mainunitpower
OFF
MainunitpowerON
–
Duringnon-operation In operation
Event of Error Open Closed Open
Maintenance Closed Open Closed
Contact Input: Remote range switching:
Switching between 2 preset ranges (range 1 and range 2)
0 V DC or contact open: Range 1
5 V DC (input impedance 250 kΩ):Range2
Sample Conditions:
Temperature; 0 to 50 °C (Temperature compensation range; 0 to 40 °C)
pH; 6.5to7.5(seeFigure2.1)
Flow Rate; 0.1 to 2.5 l/min
Pressure; 1 to 150 kPa
100 to 750 kPa
(for the case where dedicated sampling system ST401G is provided)
Conductivity; 100to300μS/cm(seeFigure2.2)
SS (Suspended Solid); 10 mg/l or less