Floatless Level Switch (Basic Type)
last update: September 24, 2012
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 |
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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 |
Items | High-sensitivity
Controllers 61F-[]H *1 |
Low-sensitivity
Controller 61F-[]D *1 |
Two-wire Controller
61F-[]R *1 |
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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 |
With advanced operation, the internal relay operates as soon as control power is supplied to the G1F and is reset when current flows between the poles. Wiring is the same as for models with sequential operation.
last update: September 24, 2012