This is also highly sensitive laser particle counter (turbidimeter) for clean water, most suitable as the counter measurement against the provisional guide line for clean water by Ministry of Health, Labor and Welfare. It is used as an on-line system, and has a strong effect on the maintenance and management for a filter basin.
Turbidimeter used exclusively for low turbidity measurement based on the particle counting method.
Both particle counts and turbidity can be measured simultaneously.
Cryptsporidium and giardia are sorted to be the same particle size, so variation in particle size can be judged easily at a glance.
Deforming bath is equipped with this model for the protection from measuring error caused by air bubble.
A long life semi-conductor laser is used as a light source.
Data analysis and filing software will be available in option.
Contamination detector is equipped with this model.
Dimensions
Main unit : W 230mm x D 330mm x H 290mm
Stand : W 400mm x D 400mm x H 1,205mm
Weight
Approx. 30kg
Power supply
100V AC, 50 / 60Hz
Power consumption
100VA
Light source
Semi-conductor laser
Measuring items
Particle counts , turbidity
Measuring range
• Particle counts : 0 to 106 / 50ml • Turbidity : 0.0000º to 2.0º (NTU unit)
Measuring method
Lateral scattering method
Flow volume for measurement
50 ml / min.
Measuring time
Elapsed time for particle data integration
6 sec. to 9 min. 59 sec. to be arbitarily set
(possible without interval)
Measuring particle size
6 channels for 0.5µm to 1µm, 1µm to 3µm,
3µm to 7µm, 7µm to 12µm, 12µm to 15µm,
15µm or more
Interface
• RS-232C : 1 channel • Centronics : 1 channel • DC 4-20mA : 4 channels
(3 channels for particle data, 1 channel for turbidity data, Resolution is selective)
Alarm
Upper limits of particle counts and turbidity are arbitrarily selective, with a buzzer sound and
3 channels of relay contact output when alarm is made. • Relay contact output : Particle counts, turbidity and equipment error • Relay contact output time: To be retained unit next measurement result • Relay contact capacity : Load resistance at 125V AC, 0.5A or 30V DC, 2A
*Turbidity is to be calibrated using polystylene standard liquid prior to shipment from our factory.
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