ブランド名:
Yokogawa
モデル番号:
SC42/SC4A（J）
Conductivity serves as a cost-effective, low-maintenance indicator of water quality. High-quality water with minimal contaminants exhibits low conductivity. Compared to pH measurement, conductivity requires far less maintenance and minimal calibration. Common applications include boiler feedwater, reverse osmosis (RO), and demineralizer systems.
Conductivity measurements can correlate to percentage concentration values for solutions like acids or bases, as conductivity increases with ion concentration. However, this correlation is only valid for single-chemical solutions, not mixtures.
Two primary sensor types measure conductivity:
Several factors can influence conductivity measurement accuracy:
| Model Code | SC42 Large Bore | SC4A(J) | SC42 Small Bore |
|---|---|---|---|
| Cell Constants | 0.01/cm; 0.1/cm; 1.0/cm | 0.02/cm; 0.1/cm | 0.02/cm; 0.1/cm; 1.0/cm |
| Ranges | 0.02-2,000 µS/cm; 0.2-20,000 µS/cm; 2.0-200,000 µS/cm | 0.04-400 µS/cm; 0.2-2,000 µS/cm | 0.04-400 µS/cm; 0.4-2,000 µS/cm; 4.0-5,000 µ/cm |
| Temperature Element | Pt1000 | Pt1000 | Pt1000 |
| Pressure Rating | 10 bar/142 PSIG | 10 bar/142 PSIG | 7 bar/100 PSIG |
| Maximum Temperature | 150°C/302°F | 110°C/230°F | 100°C/212°F |
| Installation Connections | Requires FD40, FS40 or FF40 Holder | 3/4" NPT Fitting; 1", 1.5" or 2" Tri-Clamp; Retractable | 3/4" NPT Fitting; 1", 1.5" or 2" Tri-Clamp |
| Integral Cable | NO | YES | YES |
| Materials Of Construction | 316 Stainless Steel | 316 Stainless Steel or Titanium | 316 Stainless Steel or Titanium |
| Design Style | 2-Electrode | 2-Electrode | 2-Electrode |
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