Tohkemy Corporation
Tohkemy NN-100 / 110 Water Quality Controller
Manufacturer: Tohkemy Corporation
Model: NN-100 / 110
Features
Compact design saves installation space.Featuring a shallow 150 mm profile, the unit integrates seamlessly into off-the-shelf industrial control enclosures without requiring custom panel modifications.
Adopting a high angle meter, it is possible to read accurately over a wide range despite its compact size.
By adopting a relay (AC230V 2.5A) with a large contact capacity, it is possible to operate the pump and solenoid valve directly.
Specification
| Model | NN-100 | NN-110 |
|---|---|---|
| control method | ON-OFF control | |
| Measurement range | 0～14pH | ±700mV |
| Indicator minimum scale | 0.2pH | 20mV |
| accuracy | ±1% F･S | |
| input | Glass electrode | Gold or platinum electrode |
| Input resistance | 5×1011Ω that’s all | |
| Compatible temperature compensation electrode | Pt100 | – |
| Transmission output | Non-insulated DC4-20mA (load resistance 0-500Ω) | |
| Setting method | Upper and lower limit electronic volume setting (set value is indicator monitor method) | |
| Repeat time (T･I) | – | |
| Proportional band (P･B) | – | |
| Output contacts | Upper and lower limits 1c each | |
| Output contact capacity | AC230V 2.5A(Resistive load) | |
| Ambient temperature | 0～50℃ | |
| Power supply | AC100V ±10% 50/60Hz | |
| power consumption | about 5VA | |
| mass | about 1.9kg | |
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