Sensors And Transducers

Our Complete range of products are Ultra High Purity Flow through Pressure Sensor, Split-Core Current Switch, Sure-Set Split-Core Current Switch, Mini Current Switch and Solid-Core Current Switch.

Ultra High Purity Flow Through Pressure Sensor

Model 224

Setra's Model 224 224 ultra-high purity pressure transducer is designed for the most demanding specialty gas monitoring and control applications, where construction integrity, purity and performance cannot be sacrificed.The 224 has a small, streamlined sensor chamber for easy purgeability. The sensor is designed to provide superior mechanical and thermal stability, especially in transient temperature conditions resulting from flowing gases. Isolation of the sensing element from the pressure fitting virtually eliminates any torque effects.The superior mechanical and thermal stability is achieved through Setra's patented variable capacitance sensor. Its fundamentally simple design features VAR 316L SS wetted parts, passivated to 5 Ra (7 Ra. max.) fi nish for system continuity, and an insulated electrode plate fastened to the center of the sensor diaphragm, which forms a variable capacitor. As pressure increases or decreases, the capacitance changes. This change in capacitance is detected and converted to a linear analog signal by Setras unique electronic circuit.

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Split-Core Current Switch

Model CSC

Setras Model CSC split-core current switches provide a costeffective solution for real-time monitoring of motor status incommon HVAC applications. The CSC is available with fixedor adjustable trip set-point values alerting the user to over orunder current conditions in the application, with trip pointsas low as 0.15 A up to 135 A. Setras design utilizes magneticinduction current sensing technology allowing the CSCswitches to accurately operate over a wide range of environmentalconditions, without the need for an additional powersupply. The current switch is available with a snap-on powerrelay designed to start or stop AC motors during tripped setpointconditions, minimizing service time in the field.

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Sure-Set Split-Core Current Switch

Model SSC

Setras Sure-Set Model SSC current switch is the safest currentswitch for under current sensing on constant speed driveapplications. The split-core current switch provides a uniqueapproach to calibration and installing current sensors, utilizingthe horsepower of the motor. This eliminates exposure to arcflash vs. traditional adjustable set point switches on the market.The multi-range dial maximizes flexibility and reduces overall installationtime, allowing installation to be done on a cold circuitwithout the need for an arc flash suit and protective equipment.The SSCs recessed set point dial reduces the chance of inadvertentadjustments, while the detents provide tactical feedbackthat the desired horsepower rating has been selected.Avoid Arc FlashTraditional adjustable current switches require the installer tomake set point adjustments to the unit on a live circuit duringinstallation increasing the safety risk to the installer. Each SureSetmodel offers 9 pre-configured set points so the installer canpre-configure the switch, based on the rating of the motor, priorto powering the circuit, eliminating the risk of arc-flash hazard.

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Mini Current Switch

Model CCM
Dimensions 1.57 H X 1.66 L X 1.52 W in. (39.9) x 42.2 L x 38.6 W mm)

Setras Model CCM is the industrys smallest split-core currentswitch offering a cost effective solution for monitoring lightto medium current loads in common HVAC applications. It isdesigned to detect increases or decreases in operating currentbased on belt loss, slippage or mechanical failure withina process. The CCM incorporates an integrated DINrail andsurface mounting flange for easy installation in any application, at no additional cost. The Mini Current Switch is easilyclamped onto new or existing power cables or wires, makingit ideal for new construction and retrofit projects.

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Solid-Core Current Switch

Model CSS

Setras Model CSS solid-core current switches provide a costeffective solution for real-time monitoring of motor statusin common HVAC applications. The CSS is available withfixed or adjustable trip set-point values alerting the user toover or under current situations in the application, with trippoints as low as 0.25 A up to 135 A. The Model CSSs designutilizes magnetic induction current sensing technologyallowing the CSS switches to accurately operate over awide range of environmental conditions, without the needfor an additional power supply. The current switch is availablewith a snap-on power relay designed to start or stopAC motors during tripped set-point conditions, minimizingservice time in the field.

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