| Type | General-purpose Controllers 61F-[]N |
Long-distance Controllers 61F-[]NL 2KM (2 km) 61F-[]NL 4KM (4 km) |
High-sensitivity Controllers 61F-[]NH |
|---|---|---|---|
| Controlling materials and operating conditions |
For control of ordinary purified water and wastewater |
For control of ordinary purified water and wastewater. Particularly in cases where the distance between the pumps and water tanks or between supply and receiver tanks are far apart or where remote control is required. |
For control of liquids with high specific resistance, such as distilled water |
| Rated voltage | 100/200, 110/220 or 120/240 VAC, 50/60 Hz (both supported on same model) | ||
| Allowable voltage fluctuation range |
85% to 110% of rated voltage | ||
| Inter-electrode voltage | 8 VAC | ||
| Inter-electrode current | Approx. 1 mA AC max. | ||
| Power consumption | GN[]: 3 VA max., G1N[], G2N[], IN[]: 4 VA max., G3N[]: 5.5 VA max., G4N[]: 8.5 VA max. | ||
| Inter-electrode operation resistance (recommended values) |
0 to approx. 4 kΩ | 0 to 1.8 kΩ (for 2 km) 0 to 0.7 kΩ (for 4 km) |
Approx. 10 kΩ to 40 kΩ *4 |
| Inter-electrode release resistance (recommended values) |
Approx. 15 k to ∞Ω | 4 k to ∞Ω (for 2 km) 2.5 k to ∞Ω (for 4 km) |
Approx. 100 k to ∞Ω |
| Cable length *2 | 1 km max. | 2 km max. 4 km max. |
50 m max. |
| Output | 3 A, 200 VAC (Resistive load) | ||
| Ambient operating temperature |
– 10 to 55 °C | ||
| Ambient operating humidity | 45% to 85% | ||
| Insulation resistance *3 | 100 MΩ min. (at 500 VDC) | ||
| Dielectric strength *3 | 2,000 VAC, 50/60 Hz for 1 min. | ||
| Life expectancy | Electrical: 250,000 operations min. Mechanical: 10,000,000 operations min. |
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| Weight | GN models: 315 g; G1N, G2N, IN models: 410 g; G3N models: 625g; G4N models: 870 g | ||
| Internal Circuit Diagrams | Example: 61F-GN
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Example: 61F-GNL
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Example: 61F-GNH
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