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Meet Sierra's Heavy Industrial Flow and Level Switch Products!

Sierra's Innova-Switch™ flow and level switches represent the state-of-the-art in gaseous and liquid flow switching or liquid level control. Innova-Switch was designed to meet a broad range of performance and environmental application requirements. The sensor and other wetted materials are 316L stainless steel and feature all welded construction with no moving parts. The Innova-Switch is easy to install and adjust, giving reliable, low maintenance performance in the most demanding applications.

Flow and level detection is accomplished by using a high-resolution thermal differential technique. The sensor consists of a pair of matched Resistance Temperature Detectors (RTD's). One RTD is self-heated using a constant DC current. The other RTD is unheated and provides an accurate process temperature reference. The thermal differential created between the reference and the heated RTD pair is a function of the density and/or velocity of the media with which the sensor is in contact.

Common Innova-Switch Applications:

Pump protection • Safety spray nozzle monitoring • Cooling water/heat exchangers • Oil well system testing • Drain line flow • Relief valve monitoring • Seal detection • Chemical injection • Lubricant monitoring • HVAC monitoring • Reverse vent flow monitoring • Flow direction detection • Reverse pressure detection • Valve switching verification

 

 

 

Flow Switch for Gases & Liquids
Switches on a flow/no flow condition in both gases and liquids. Flow Switch range of 0.01 to 5 sfps (.003 to 1.524 smps) in liquids and 0.1 to 500 sfps (.03 to 152.4 smps) gases. Response Time of 0.5 to 10 seconds (media dependent) Wide operating temperature range of -100F to +390F (-70C to 200C) CE, CENELEC and CSA approvals.

 

 

Level Switch for Liquids
Indicates liquid level in tanks and process vessels. Switches on level change of 0.03 inch (dry to wet and wet to dry) Response Time: 0.1 to 1 second (media dependent). Wide operating temperature range of -100F to +390F (-70C to 200C). CE, CENELEC and CSA approvals.

 

 

High Temperature Flow Switch; Up to 485C (850F)
Designed for medium and high temperature applications. Medium Temperature to 500F (300C) ; High temperature to 485C (850F). Optional remote electronics for use in medium and Hi T environments. Switches on a flow/no flow condition in both gases and liquids.Flow Switch range of 0.01 to 5 sfps (.003 to 1.524 smps) in liquids and 0.1 to 500 sfps (.03 to 152.4 smps) gases. Response Time of 0.5 to 10 seconds (media dependent). CE, CENELEC and CSA approvals.

 
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