![Floatless Level Switch (Basic Type) 61F-G[]](https://enviromiddleeast.com/wp-content/uploads/2022/12/l_244-13-118523-198x198-1.jpg)
Easy maintenance with building-block Relay Units.
• Easy identification of operating status with LED operation indicator.
• Lineup includes models for tropical regions and for high temperatures. Achieve stable detection even in hightemperature environments.
| Items | General-purpose Controller 61F-[] (TDL) *1, *2 |
High-temperature Controller 61F-[]T *1 |
Long-distance Controllers 61F-[]L 2KM (for 2 km) 61F-[]L 4KM (for 4 km) *1 |
|---|---|---|---|
| Controlling materials and operating conditions |
For control of ordinary purified water or sewage water |
For control of ordinary purified water or sewage water in cases where the ambient temperature is high. |
For control of ordinary purified water in cases where the distance between sewage pumps and water tanks or between receiver tanks and supply tanks is long or where remote control is required. |
| Supply voltage | 100, 110, 120, 200, 220 or 240 VAC; 50/60 Hz | ||
| Operating voltage range | 85% to 110% of rated voltage | ||
| InterElectrode voltage | 8 VAC | ||
| InterElectrode current | Approx. 1 mA AC max. | ||
| Power consumption | 61F-G[]: 3.5 VA max.; G1F-G1[], G1F-G2[], or G1F-I[]: 5.5 VA max.; G1F-G3[]: 7.5 VA max.; G1F-G4[]: 14.5 VA max. |
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| InterElectrode operate resistance |
0 to approx. 4 kΩ | 0 to approx. 5 kΩ | 0 to approx. 1.8 kΩ (for 2 km) 0 to approx. 0.7 kΩ (for 4 km) |
| InterElectrode release resistance |
Approx. 15 k to ∞ Ω | Approx. 15 k to ∞ Ω | 4 k to ∞ Ω (for 2 km) 2.5 k to ∞ Ω (for 4 km) |
| Cable length *3 | 1 km max. | 600 m max. | 2 km max. 4 km max. |
| Control output | 2 A, 220 VAC (Inductive load: cosφΦ = 0.4) 5 A, 220 VAC (Resistive load) |
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| Ambient temperature | Operating: -10 to 55°C (-10 to 70°C for 61F-[]T) | ||
| Ambient humidity | Operating: 45% to 85% RH | ||
| Insulation resistance *4 | 100 MΩ min. (at 500 VDC) | ||
| Dielectric strength *4 | 2000 VAC, 50/60 Hz for 1 min. | ||
| Life expectancy | Electrical: 500,000 operations min. Mechanical: 5,000,000 operations min. |
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| Weight | 61F-G[]: Approx. 380 g, G1F-G1[], G1F-G2[], or G1F-I[]: Approx. 750 g; G1F-G3[]: Approx. 930 g; G1F-G4[]: Approx. 1,710 g |
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| Items | High-sensitivity Controllers 61F-[]H *1 |
Low-sensitivity Controller 61F-[]D *1 |
Two-wire Controller 61F-[]R *1 |
|---|---|---|---|
| Controlling materials and operating conditions |
For control of liquids with high specific resistance such as distilled water |
For control of liquids with low specific resistance such as salt water, sewage water, acid chemicals, alkali chemicals |
For control of ordinary purified water or sewage water used in combination with Two-wire Electrode Holder (incorporating a resistor of 6.8 kΩ) It is possible to wire with less than one wiring against general 61F’s wiring. |
| Supply voltage | 100, 110, 120, 200, 220 or 240 VAC; 50/60 Hz | ||
| Operating voltage range | 85% to 110% of rated voltage | ||
| InterElectrode voltage | 24 VAC | 8 VAC | |
| InterElectrode current | Approx. 1 mA AC max. | ||
| Power consumption | 61F-G[]: 3.5 VA max.; G1F-G1[], G1F-G2[], or G1F-I[]: 5.5 VA max.; G1F-G3[]: 7.5 VA max.; G1F-G4[]: 14.5 VA max. |
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| InterElectrode operate resistance |
Approx. 15 kΩ to 70 kΩ *5 |
0 to approx. 1.8 kΩ | 0 to approx. 1.1 kΩ |
| InterElectrode release resistance |
Approx. 300 k to ∞ Ω | Approx. 5 k to ∞ Ω | Approx. 15 k to ∞ Ω |
| Cable length *3 | 50 m max. | 1 km max. | 800 m max. |
| Control output | 2 A, 220 VAC (Inductive load: cosφΦ = 0.4) 5 A, 220 VAC (Resistive load) |
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| Ambient temperature | Operating: -10 to 55°C (-10 to 70°C for 61F-[]T) | ||
| Ambient humidity | Operating: 45% to 85% RH | ||
| Insulation resistance *4 | 100 MΩ min. (at 500 VDC) | ||
| Dielectric strength *4 | 2000 VAC, 50/60 Hz for 1 min. | ||
| Life expectancy | Electrical: 500,000 operations min. Mechanical: 5,000,000 operations min. |
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| Weight | 61F-G[]: Approx. 380 g, G1F-G1[], G1F-G2[], or G1F-I[]: Approx. 750 g; G1F-G3[]: Approx. 930 g; G1F-G4[]: Approx. 1,710 g |
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