Flow, Level, Interface Switches & Transmitters
- Rugged Thermal Sensors
- Modbus Communication
- Universal Power Input
- Fast Worldwide Delivery
![](https://www.yodify.com/cdn-cgi/image/width=500,quality=75,fit=scale-down,format=auto/https://images.yodify.com/uploads/s/QBPv/images/laptop.png)
Advanced Design & Diagnostics
- Continuous self-test diagnostics on electronics & sensor elements
- Automatically adjusts power consumption to conserve energy & improve response times
![](https://www.yodify.com/cdn-cgi/image/width=500,quality=75,fit=scale-down,format=auto/https://images.yodify.com/uploads/s/QBPv/images/chart.png)
Digital Communication, Discrete & Analog
- Modbus RTU Communication via RS-485
- 4-20 mA output represents percentage of flow/thermal change (non-linear)
- Two independent setpoints via SPDT sealed relay contacts rated @ 4 amps
![](https://www.yodify.com/cdn-cgi/image/width=500,quality=75,fit=scale-down,format=auto/https://images.yodify.com/uploads/s/QBPv/images/gear.png)
Adjustments via Keypad
- Relay Set Points & Heater Sensitivity
- Bypass Timer and Time Delay/Deadbands on relays
- Failsafe Configurable, Trouble Alarm via second relay
![](https://www.yodify.com/cdn-cgi/image/width=500,quality=75,fit=scale-down,format=auto/https://images.yodify.com/uploads/s/QBPv/images/bolt.png)
Universal Power Input
- AC or DC power input capability provides flexibility
![](https://www.yodify.com/cdn-cgi/image/width=500,quality=75,fit=scale-down,format=auto/https://images.yodify.com/uploads/s/QBPv/images/finger.png)
Easy Configuration
- Push button front keypad – no tools or jumpers
![](https://www.yodify.com/cdn-cgi/image/width=500,quality=75,fit=scale-down,format=auto/https://images.yodify.com/uploads/s/QBPv/images/truck.png)
Fast Delivery
- Short lead-times & fast world-wide delivery
![](https://www.yodify.com/cdn-cgi/image/width=500,quality=75,fit=scale-down,format=auto/https://images.yodify.com/uploads/s/QBPv/images/LeakDetectionMobile.png)
Superior Leak Detection
- Pipeline Pump Seal Leak Detection
- Monitor the liquid level in the drain pipe while monitoring the flow rate
- Set both an alarm point and a shut-down point
Featured Products View All Products
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Kayden CLASSIC 810 Thermal Flow, Level, Interface Switch & Transmitter
Kayden Instruments
Configure for Pricing
25+ In Stock
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Kayden CLASSIC 812 Thermal Flow, Level, Interface Switch & Transmitter
Kayden Instruments
Configure for Pricing
In Stock
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Kayden® CLASSIC® 832 Thermal Flow Switch & Transmitter
Kayden Instruments
Configure for Pricing
3 - 5 weeks
![Kayden Retractable Flow, Level & Interface Switch](https://www.yodify.com/cdn-cgi/image/width=200,quality=60,fit=scale-down,format=auto/https://images.yodify.com/productimages/Kayden%20Instruments/CLASSIC-816-Flow-Level-Interface-Switch-Transmitter/Thumbs/200_main_816_side.png)
Kayden CLASSIC 816 Thermal Flow, Level, Interface Switch & Transmitter
Kayden Instruments
Configure for Pricing
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Kayden CLASSIC 830 Thermal Flow Switch & Transmitter
Kayden Instruments
Configure for Pricing
![Kayden Retractable Flow, Level & Interface Switch](https://www.yodify.com/cdn-cgi/image/width=200,quality=60,fit=scale-down,format=auto/https://images.yodify.com/productimages/Kayden%20Instruments/CLASSIC-814-Flow-Level-Interface-Switch-Transmitter/Thumbs/200_main_814_Side.png)
Kayden CLASSIC 814 Thermal Flow, Level, Interface Switch & Transmitter
Kayden Instruments
Configure for Pricing
Helping the World Switch™
RCM Software
Kayden's free Remote Control & Monitoring Software works with any Windows .NET framework, and allows you to ensure operations, or change settings from any local or remote location.
Learn More