Level Sensors

Liquid Level Sensors

Features and Benefits

Steel tube mercury switch is sealed in vinyl ball with polyurethene foam resin. It will take considerable shock without damage. There is no glass to break as found in other switches.

For use in sewage water and many other liquids where level control is required.

Complete switch assembly is non toxic. Our switches can be used for level control in tanks and sumps containing drinking water.

Maximum temperature of liquids is 150 degrees F. It is not recommended for use in strong acids or crude oil.

Control cord is SJOW-A or SO for better flexibility and more resistance to oil.

Standard cord length is 15 ft. Longer cords on application.

Positive leak proof seal on cord and mercury switch.

Model Number	Description	Size	Price
TEII-1	T-1900-NO	1
TEII-2	T-1901-NC	2

Specifications

Mercury Switch- Steel tube houses mercury and contacts. Contact is through mercury to mercury. No mechanical contacts.
Switch Rating- 20 amps @120 volts, 16 amps @240 volts, 10 amps @220 volts DC, and 8 amps @240 volts DC.
Power Cord- Type SJOW-A for 300 volt max. and SO for 600 volt max. Cord supports control at proper height in sump to tank. Standard cord length 15 ft. Longer cord available. 1000 ft. maximum.
Mounting Bracket- Special bracket to support 1-2-3 or 4 controls can be furnished. Made for mounting to pipe or sump wall.
Blue Controls- With normally open contacts for pump down service. Model T-1900-NO
Red Controls- With normally closed contacts for pump up service. Model T-1901-NC
Mercury Tube Switch & Cord- Sealed in vinyl ball with leak proof polyurethance resin. Switch has been tested submerged in salt water for thousands of hours with no sign of leakage.