Free Available Chlorine Analyzer (Non-reagent Type) FC400G
The FC400G non-reagent free available chlorine analyzer adopts the polarographic method, using a rotating electrode to continuously measure online the concentration of free available chlorine.
The FC400G is a microprocessor-based, intelligent free chlorine analyzer whose development was based on Yokogawa's long experience with residual chlorine analysis.
The FC400G is intended for measurements in the water distribution network, at pumping stations, water delivery points, schools, and public facilities.
Description：
Features
One-touch simple calibration.
Output range can be arbitrarily set in the range of from 0-1 mg/l to 0-3 mg/l in the field.
Line segment output is available for output signals.
Easy confirmation of inter-electrode applied voltage/current characteristic (plateau characteristic). This allows understanding of the detailed sensor characteristics in the application.
Rotating electrode/ceramic bead cleaning has been improved to realize further effective and continuous automatic cleaning.
Easy-to-maintain (-clean) cell construction.
Specifications
| Measured Object | Free chlorine in tap water |
| Measuring System | Polarographic method using rotating electrode |
| 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) |
| Output Signal | 4 to 20mA DC (load resistance: 550 Ω or less) or 1 to 5V DC (output resistance : 300 Ω or less) |
| Sample Conditions | Temperature: 0 to 50℃ pH: 6.5 to 7.5 Flow Rate: 0.1 to 2.5 l/min Pressure: 1 to 150 kPa 100 to 740 kPa (when a dedicated sampling unit is provided) Conductivity: 100 to 300 μS/cm SS (Suspended Solid): 10 mg/l or less |
| Electrode | Indicating electrode: Rotating gold electrode Reference electrode: Silver electrode (with Pt1000 RTD installed) |
| Electrode Cleaning | Ceramic bead cleaning |
| Ambient Temperature | -30 to 70℃ |
| Installation | Indoor (Outdoor use requires protection against rain.) (Direct sunlight must be avoided.) |
| Power Supply | 100/110/200/220 V AC ±10 %, 50/60 Hz |
| Weight | Approx. 6 kg |
Performance
% display shows value relative to the upper limit of a range.
| Linearity | ±5 % of full scale |
| Repeatability | 2 % of full scale |
| Stability | Zero drift; ±1 % of full scale/month or less Span drift; -10 % of full scale/month or less |
| Response time | Approx. 2 min (90 % response time) |
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