This buffer tank is used when the flow rate and pressure of sample water are unstable due to in-line chemical injection.
You can visually check the state of the liquid (foaming) with transparent PVC.
Tohkemy Corporation
Tohkemy Dulco System Water Quality Controller


Manufacturer: Tohkemy Corporation
Model: Dulco System
Features
Versatile Water Quality Monitoring: Process engineers can configure and monitor up to three parameters simultaneously from a menu of 12 target indicators, including pH, chlorine, peracetic acid, and hydrogen peroxide.
High-Performance Sampling Pump: Delivers a smooth sample flow to guarantee high measurement reproducibility.
Continuous Data Acquisition: The integrated telemetry module continuously captures, logs, and transmits process data directly to the central database.
Simplified Logging: An onboard SD card logger records real-time measurements in standard CSV format, eliminating traditional recorder wiring and cutting panel installation labor.
Plug-and-Play Portability: The unit operates without complex power setups or installation work for immediate on-site deployment.
Laboratory Compatibility: Facilities can also choose the compact Dulco Unit Light for portable laboratory testing.
Use
Chemical factory
Food factory
Beverage factory
Hot bath facility
Wastewater treatment
Concentration and water quality management such as
Specification
Dulco system
Power supply / Power consumption: Free power supply Single-phase 100-230 VAC ± 10% ・ 50 / 60Hz / approx. 60W
Output setting: Measured value output 0/4 to 20mADC analog output x 3
Alarm contact: Upper limit / lower limit a / b contact x 2 / collective alarm contact x 1
Ambient environment: 0-40 ° C
Storage box: Exterior: Aluminum ・ Front: Transparent resin cover (SUS specification, with cooler available)
| Model | Measurement target | Main adaptive applications |
|---|---|---|
| DS-CL-PH | Free chlorine | Monitoring of hypochlorite concentration of weakly acidic / slightly acidic hypochlorite generator |
| DS-PAA-PH | Peracetic acid | For sterilization of food / beverage / slaughterhouses |
| DS-CL-CL | Free + total chlorine | Monitoring of hypochlorite concentration in pools and hot bath facilities |
| DS-H2-T | hydrogen peroxide | Aseptic line monitoring, factory wastewater / pure water circulation, etc. |
Measurement targets other than the above combinations are also available. Please contact us.
Dulco unit light
The compact model which gathered the function of the dull lower back stem in the desk size.
Ideal for small-scale continuous measurements and table tests in research and laboratories.
| Model | Sampling tank | Measurement target |
|---|---|---|
| DUL-A | None | * Chlorine, peracetic acid, hydrogen peroxide, pH, ORP, etc. will be decided by a meeting. * Up to 3 items can be measured at the same time |
| DUL-B | Yes |
Sampling tank












