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. |
||
Weight | GN models: 315 g; G1N, G2N, IN models: 410 g; G3N models: 625g; G4N models: 870 g | ||
Internal Circuit Diagrams | Example: 61F-GN | Example: 61F-GNL | Example: 61F-GNH |