A conductivity transmitter that achieves both high precision and reliability.
The conductivity transmitters DO9766T-R1 (wall-mounted type) and DO9786T-R1 (panel-mounted type) correct the output of the conductivity electrode for temperature and convert it into an insulated 4-20mA analog signal from the input circuit of the electrode, with scaling capabilities. In addition to the analog output, they are equipped with two relay outputs that can be set with a delay of up to 250 seconds. The large LCD on the front displays the process measurement values under normal conditions and the set parameters during configuration. Thanks to high-quality product design and the use of carefully selected components, they enable long-term, high-precision, and reliable measurements. They are used in combination with separately sold conductivity electrodes and temperature probes (Pt100Ω/0℃). ▼ DC4-20mA output conductivity meter ▼ Relay output (delay setting available)
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basic information
[Conductivity Input] ○ Measurement Range: 0.0 to 199.9 mS ○ 2/4 Electrode: Cell constant 0.0 to 199.9 cm⁻¹, scaling available ○ Measurement Voltage/Frequency: Square wave 10 to 1000 mV, 200 to 1600 Hz (depending on conductivity) ○ Input Impedance: >100 MΩ ○ Cable Length: <10 m, unshielded cable <50 m, shielded cable (approximately 2 nF) ○ Accuracy: 0.5% rdg ± 2 digits ± 0.01%/°C (temperature drift) [Temperature Input] ○ 2-wire/4-wire Pt100: -50.0 to +199.9 °C ○ Measurement Current: DC 0.5 mA ○ Cable Length: <10 m, unshielded cable <50 m, shielded cable (approximately 5 nF) ○ Accuracy: 0.2 °C ± 0.1% rdg ± 0.01 °C/°C (temperature drift) [Temperature Compensation] ○ Manual: Linear 0.00 to 4.00%/°C -50 to +200 °C ○ Automatic Compensation: Linear 0.00 to 4.00%/°C -50 to +200 °C ○ Reference Temperature: 20 °C or 50 °C (configurable) [Current Output] ○ 4.00 to 20.00 mA: Proportional to conductivity value, scaling available ○ Accuracy: 0.5% rdg ± 0.02 mA ○ Insulation: AC 2500 V, 1 minute
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Delivery Time
P4
Applications/Examples of results
For water quality management in plants and lines utilizing pure water, as well as for measuring water quality in water supply and drainage systems, groundwater, and rivers.
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Company information
Sakaki Corporation provides products and services from leading European manufacturers such as "Sensirion (formerly Delta Ohm) (formerly Glaesinger)", "Senseair", "Z-LAZER", and "LSI Lastem" as the official importer and distributor in Japan. Additionally, we develop, support, and undertake custom development and mass production of our own brand network IoT products, including routers and gateways that support camera video and solar power cloud services.
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