Instruction/ maintenance manual of the product Level Swichgage Instrument OPLH Murphy
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OPLH-94122B page 1 of 4 OPLH / OPLHACS Series ■ Combination Level Indicating Gage and Critical Level Limit Switch ■ High and Low Level Limit Contacts Are V isible and Adjustable ■ Designed to St.
OPLH-94122B page 2 of 4 (1) Bourdon tube (OPLHC) models in the 20 ft. (6 m) range have an accuracy of 3% full scale. (2) ES option available for the 20 ft. (6 m) range models and above. NOTES: • Options may not be available in combination. Consult factory.
OPLH-94122B page 3 of 4 8 in. (203 mm) 6-25/64 in. (162 mm) 8 in. (203 mm) Rear mounting holes for surface mounting 3/ 8 -16 UNC-2B 7/ 8 in. (22 mm) deep, 4 places. Removable lid to access adjustable contact knobs. 6-3/4 in. (171 mm) 6-3/4 in. (171 mm) Mounting Hole 7-35/64 in.
OPLH-94122B page 4 of 4 How to Order Base Part Numbers Latching Control Relay Voltage (applies to “BP” models only) Blank = 120 VAC 2 = 12 VDC 4 = 24 VDC Bourdon Tube/Bellows OPLHC Standard=Bronze/Brass OPLHACS Standard=316 Stainless Steel Range/Scale (specify in feet) * Bellows Tube 05 = 0-5 ft.
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