61F-GP-N8 Level Control Compact plug-in (8-pin) level controller The 61F-GP-N8 can be used for single- or two-point level control of conductive materials, both liquids and solids. These products are equipped with a red LED operation indicator. • Low-voltage (AC) electrodes (8 VAC or 24 VAC) • Operation range: 4 to 15 k, 70 to 300 k • Detection method: Conductive • Probes need to be ordered separately • Conforms to EMC and LVD directives, UL/CSA approved Ordering information Application Type Order code Ordinary purified water or sewage water General purpose type 61F-GP-N8 24AC 61F-GP-N8 110AC 61F-GP-N8 230AC Ordinary purified water, where the distance between sewage pumps and water tanks or between receiver tanks and supply tanks is long or where remote control is required Long-distance type 2 km 61F-GP-N8L 24AC 2KM 61F-GP-N8L 110AC 2KM 61F-GP-N8L 230AC 2KM 4 km 61F-GP-N8L 24AC 4KM 61F-GP-N8L 110AC 4KM 61F-GP-N8L 230AC 4KM Liquids with high specific resistance such as distilled water High sensitivity type 61F-GP-N8H 24AC 61F-GP-N8H 110AC 61F-GP-N8H 230AC Liquids with low specific resistance such as salt water, sewage water, acid chemicals, alkali chemicals Ordinary purified or sewage water, with two-wired-type electrode holder (incorporating a resistor of 6.8 k) Low sensitivity type 61F-GP-N8D 24AC 61F-GP-N8D 110AC 61F-GP-N8D 230AC Two-wired type 61F-GP-N8R 24AC 61F-GP-N8R 110AC 61F-GP-N8R 230AC DIN-rail mounting socket PF083A-E Back-connecting socket PL08 Accessories Electrode holders Applications Mounting style Insulator material Max. temperature Number of electrodes Order code For city water and other general use. Easy-to-replace separate versions for maintenance. Flange Phenol resin 70°C 3 PS-3S When mounting space is limited. Special 3pole holder of small size and light weight. Screw Phenol resin 3, 300 mm 3, 1,000 mm PS-31-300MM PS-31-1000MM Use for sewage, sea water, etc., having a low specific resistance. For resistance to high pressure. Use in tanks with high temperature or pressure. Flange PPS 150°C (without water drips or vapour on the 1 BF-1 electrode holder surface) Screw PFA 250°C (without water drips or vapour on the 1 BS-1 surface of the electrode holder) Electrode separators Number of electrodes Order code Electrodes, connecting, and lock nuts 1 F03-14 1P 3 F03-14 3P Applicable liquids Material Component Indication mark Inscription Order code Purified city water, industrial water, sewage Equivalent to SUS 304 (AISI-304) Electrode (1 m long) 1 line – F03-01 SUS201 Connecting nut – – F03-02 SUS201 Lock nut – – F03-03 SUS201 Purified city water, industrial water, sewage, dilute alkaline solution SUS316 (AISI-316) Electrode (1 m long) 2 lines – F03-01 SUS316 Connecting nut – 6 F03-02 SUS316 Lock nut – 316 F03-03 SUS316 654 61F-GP-N8 Level Control Specifications Item 61F-GP-N8 61F-GP-N8L 61F-GP-N8H 61F-GP-N8D 61F-GP-N8R Supply voltage 24, 100, 110, 120, 200, 220, 230 or 240 VAC 50/60 Hz Operating voltage range 85 to 110% of rated voltage Interelectrode voltage 8 VAC 24 VAC 8 VAC Interelectrode current Approx. 1 mA AC max. Approx. 0.4 mA AC max. Approx. 1 mA AC max. Power consumption Approx. 3.5 VA max. Response time Operate: 80 ms max., release: 160 ms max. Cable length 1 km max. 2 km max. 4 km max. 50 m max. 1 km max. 800 m max. Control output 1 A, 250 VAC (inductive load: Cos = 0.4), 3 A, 250 VAC (resistive load) Ambient temperature Operating: -10 to 55°C Life expectancy Electrical: 100,000 operations min., mechanical: 5,000,000 operations min Size in mm (HxWxD) 49.9x38x70 655
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