Tohkemy Corporation
Tohkemy NN-1000 Water Quality Controller
Manufacturer: Tohkemy Corporation
Model: NN-1000
Features
The multi-parameter transmitter analyzes either pH or Oxidation-Reduction Potential (ORP).
The integrated terminal design allows technicians to connect.
Chemipack-style analytical probes directly to the unit, eliminating the need for intermediate pre-amplifiers.
With pH temperature compensation function (Pt100)
Easy operation with 2 buttons and 4 volume dials.
Equipped with upper and lower limit contacts (High / Low contacts).
With DC4-20mA transmission output.
Specification
| Model | NN-1000 | |
|---|---|---|
| Measurement input | pH：Glass electrode | ORP：Gold or platinum electrode |
| Input resistance | over 1012Ω | |
| Measurement instruction range | 0.00～14.00pH | -1000～1000mV |
| Minimum instruction unit | 0.01pH | 1mV |
| Instruction accuracy | ±0.02pH ±1digit | ±4mV ±1digit |
| Compatible temperature compensation electrode | Pt100 | – |
| Output contacts | Upper and lower limit ON-OFF output 2 points: 1c each AC250V 5A (resistive load) | |
| Transmission output | DC4-20mA insulation type, load resistance 0-500Ω | |
| Power supply | AC100/110V or AC200/220V ±10% 50/60Hz | |
| power consumption | 5VA Less than | |
| body size | Vertical 96 x horizontal 48 x depth 154 (panel cut 92 x 45) | |
| Ambient temperature / humidity | 0-45 ° C 80% or less | |
| mass | about 0.5kg | |
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