Kayden CLASSIC® 810 Flow, Level, Interface Switch & Transmitter

Brand: Kayden Instruments
The Kayden CLASSIC 810 Flow, Level, Interface Switch & Transmitter features a precision welded, highly accurate stainless steel sensor. Ideal for liquids, gases & slurries in a clean or dirty process, and is available in a wide range of thread sizes and insertion lengths.

All Kayden models feature a rugged flameproof enclosure with blind or lens covers available. Kayden’s advanced digital electronics will revolutionize the way you monitor and control your process. 

  • Process Connections - Male NPT
    • 1/2"
    • 3/4"
    • 1"
    • 1-1/4"
    • 1-1/2"
    • 2"
  • Adjustable Set Point Range
    • 0-254 feet/s, 0-77 meters/s
  • Insertion 'U' Lengths
    • 1.2" (3.0 cm)
    • 2" (5.0 cm)
    • 3" (7.5 cm)
    • 4" (10.1 cm)
    • 6" (15.2 cm)
    • 9" (22.8 cm)
    • 12" (30.4 cm)
    • 18" (45.7 cm)
    • Custom Lengths from 2.5" to 120" (6.0 cm to 305 cm) by 1/2" (1 cm) increments
  • Input/Supply Power
    • 12-24 Vdc & 120-240 Vac, 50-60 Hz
  • Operating Pressure (Maximum)
    • CSA & FM: 3480 psi, 24,000 kPa, 240 bar
    • CRN - 316/316L Stainless Steel - Canadian Registration Number 0F20731.5C: 2053 psi, 14,155 kPa, 142 bar
    • CRN - Titanium - Canadian Registration Number 0F20731.5C: 1165 psi, 8033 kPa, 81 bar
    • CRN - Hastelloy® C-276 - Canadian Registration Number 0F20731.5C: 2290 psi, 15,790 kPa, 158 bar
  • Temperature Range (Sensor)
    • -45° to 200° C, -50° to 392° F
  • Local Enclosure
    • Aluminum Flameproof
    • 1" Female NPT
    • NEMA 4X, IP55 / IP67
  • Local Enclosure Cover
    • Blind or Glass Lens
    • Flameproof
  • Wetted Materials
    • 316/316L Stainless Steel
    • Titanium
    • Hastelloy® C-276
  • Outputs/Communications
    • Two Independent Relays (SPDT)
    • 4-20 mA
    • Modbus
    • Rated 120 Vac max, 30 Vdc max, 4A max
  • Approvals
    • FM
    • CSA
    • CRN
    • Single Seal
    • NACE
    • ASME BPVC Sec. VIII Div. 1
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Images are representations only.
The Kayden CLASSIC 810 Flow, Level, Interface Switch & Transmitter features a precision welded, highly accurate stainless steel sensor. Ideal for liquids, gases & slurries in a clean or dirty process, and is available in a wide range of thread sizes and insertion lengths.

All Kayden models feature a rugged flameproof enclosure with blind or lens covers available. Kayden’s advanced digital electronics will revolutionize the way you monitor and control your process. 

  • Process Connections - Male NPT
    • 1/2"
    • 3/4"
    • 1"
    • 1-1/4"
    • 1-1/2"
    • 2"
  • Adjustable Set Point Range
    • 0-254 feet/s, 0-77 meters/s
  • Insertion 'U' Lengths
    • 1.2" (3.0 cm)
    • 2" (5.0 cm)
    • 3" (7.5 cm)
    • 4" (10.1 cm)
    • 6" (15.2 cm)
    • 9" (22.8 cm)
    • 12" (30.4 cm)
    • 18" (45.7 cm)
    • Custom Lengths from 2.5" to 120" (6.0 cm to 305 cm) by 1/2" (1 cm) increments
  • Input/Supply Power
    • 12-24 Vdc & 120-240 Vac, 50-60 Hz
  • Operating Pressure (Maximum)
    • CSA & FM: 3480 psi, 24,000 kPa, 240 bar
    • CRN - 316/316L Stainless Steel - Canadian Registration Number 0F20731.5C: 2053 psi, 14,155 kPa, 142 bar
    • CRN - Titanium - Canadian Registration Number 0F20731.5C: 1165 psi, 8033 kPa, 81 bar
    • CRN - Hastelloy® C-276 - Canadian Registration Number 0F20731.5C: 2290 psi, 15,790 kPa, 158 bar
  • Temperature Range (Sensor)
    • -45° to 200° C, -50° to 392° F
  • Local Enclosure
    • Aluminum Flameproof
    • 1" Female NPT
    • NEMA 4X, IP55 / IP67
  • Local Enclosure Cover
    • Blind or Glass Lens
    • Flameproof
  • Wetted Materials
    • 316/316L Stainless Steel
    • Titanium
    • Hastelloy® C-276
  • Outputs/Communications
    • Two Independent Relays (SPDT)
    • 4-20 mA
    • Modbus
    • Rated 120 Vac max, 30 Vdc max, 4A max
  • Approvals
    • FM
    • CSA
    • CRN
    • Single Seal
    • NACE
    • ASME BPVC Sec. VIII Div. 1
756 models matching criteria
810-RAC-0012-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1/2" NPT, 1.2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
3 In Stock
$1,188.12USD
Does not ship to US
810-RAD-0040-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 3/4" NPT, 4"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
2 In Stock
$1,241.94USD
Does not ship to US
810-RAC-0030-C1B0A3E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1/2" NPT, 3"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards), CRN
1 In Stock
$1,221.24USD
Does not ship to US
810-RAD-0040-C1B0A9E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 3/4" NPT, 4"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: FM
1 In Stock
$1,241.94USD
Does not ship to US
810-RAE-0020-C1G0A3E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Glass Lens Cover, Approvals: c CSA us (UL Standards), CRN
1 In Stock
$1,333.02USD
Does not ship to US
810-RAE-0012-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1" NPT, 1.2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAE-0012-C1B0A3E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1" NPT, 1.2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards), CRN
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAE-0012-C1B0A9E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1" NPT, 1.2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: FM
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAE-0020-C1B0A9E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: FM
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAF-0012-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1-1/4" NPT, 1.2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAF-0020-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1-1/4" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAG-0012-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1-1/2" NPT, 1.2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAG-0020-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1-1/2" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAG-0020-C1B0A3E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1-1/2" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards), CRN
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAH-0012-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 2" NPT, 1.2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAH-0020-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 2" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAC-0012-C1B0A3E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1/2" NPT, 1.2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards), CRN
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAC-0020-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1/2" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAC-0020-C1B0A3E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1/2" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards), CRN
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAC-0020-C1B0A9E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 1/2" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: FM
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAD-0012-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 3/4" NPT, 1.2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAD-0012-C1B0A3E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 3/4" NPT, 1.2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards), CRN
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAD-0020-C1B0A1E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 3/4" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards)
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAD-0020-C1B0A3E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 3/4" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: c CSA us (UL Standards), CRN
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US
810-RAD-0020-C1B0A9E
KAYDEN® CLASSIC® Thermal Flow, Level, Interface Switch, Modbus, 3/4" NPT, 2"U Length, 316 SST Sensor, Local Electronics Enclosure with Blind Cover, Approvals: FM
In Stock 2 - 5 days
$1,188.12USD
Does not ship to US

CLASSIC® 810

Sensor Material

Process Connection - Male NPT

Insertion 'U' Length

  • view details
  • view details

Cover for Local Enclosure

Remote Electronics Enclosure & Cover

Agency Approvals

Typical Applications

Flow
  • Ammonia Storage
  • Biogas Flow
  • Catalysis Vessels
  • Chemical Injection & Additive Flow Monitoring
  • Chemical Reactors
  • Chlor-alkali Processes
  • Compressors
  • Condensers
  • Deionization Tanks
  • Digester Gas Flow
  • Distillation Columns
  • Drain Line Flow
  • Emergency Eye Wash & Shower Stations
  • Fermentation Vessels
  • Flare Gas Monitoring
  • Flare Knock-out Drums
  • Flow Monitoring & Verification
  • Heat Exchangers
  • Heat Recovery Steam Generator (HRSG) – Power & Utilities
  • High Pressure Flows
  • Leak Detection
  • Lube Oil Systems
  • Monitoring Purge Air Flow
  • Natural Gas to Boilers
  • Pumps
  • Reboilers
  • Refinery Flow Applications
  • Relief Valve & Rupture Disk Flow Monitoring
  • Remote Indication of Flow via Analog Output & Digital Communications
  • Pump Protection - Dry Alarm
  • Tank Blanketing
  • Tank Overflow Protection
  • Tanker Loading & Unloading
  • Water & Wastewater
  • Vaporizers
  • Vent Monitoring

Level
  • Biogas Dehydration
  • Blending Operations
  • Carbon Slurry Level
  • Compressor Scrubber
  • Compressor Waste Liquid
  • Condensate Receiver Tanks
  • Cooling Tower Basins
  • Crude Desalting
  • Crude Dehydration
  • Deionization Tanks
  • Digester Blow Tanks
  • Free Water Knock-out Tanks – High, Low and Interface Level
  • Geothermal - Degasser Tanks
  • Geothermal - Steam & Brine Separators
  • Leak Detection (Accumulation Reservoir)
  • Lime Slurry Level
  • Mixing & Blending Systems
  • Oil Separators & Treaters – High, Low & Interface Level
  • Production Fluid Storage
  • Pulp Bleaching Towers
  • Pulp Digesters
  • Pulp Storage
  • Pulp Washing Systems
  • Sampler Systems
  • Sand Separators
  • Scrubber Vessels
  • Storage Tanks
  • Sumps - All Types of fluids: Water, Oil, etc.
  • Surge Tanks
  • Tank Overflow
  • Turpentine Recovery
  • Vapor & Liquid Separation
  • Vapor Recovery

Interface
  • Crude Desalting
  • Interface Control in Separation Vessels
  • Interface Detection
  • Interface Control & Level Detection in Settling Vessels
  • Liquid-liquid Extraction - LLX

Media
  • Liquids, Air & Gases
  • Slurries
  • Corrosive Liquids

Areas
  • Flameproof, Hazardous & General-Purpose Areas

>    IDEAL PROCESS CONDITIONS FOR FLOW    <

Liquids
  • Consistent Process Composition & Temperature
  • Sufficient Straight Run Flow Profile (minimizes turbulence)
  • Recommended Minimum of 5 Pipe Diameters from any Disturbance

Air & Gas
  • Consistent Process Composition & Temperature
  • Sufficient Straight Run Flow Profile (minimizes turbulence)
  • Clean and Dry

Slurries
  • Consistent Process Composition & Temperature
  • Sufficient Straight Run Flow Profile (minimizes turbulence)

Emulsion
  • Consistent Process Composition & Temperature
  • Sufficient Straight Run Flow Profile (minimizes turbulence)

>    UNDESIRABLE PROCESS CONDITIONS FOR FLOW    <

Liquids
  • Inconsistent Process Composition or Temperature
  • Insufficient Straight Run
  • Aerated Fluids
  • Turbulence

Air & Gas
  • Inconsistent Process Composition or Temperature
  • Wet or Saturated Air & Gas

Slurries
  • Inconsistent Process Composition or Temperature
  • Insufficient Straight Run
  • Aerated Fluids
  • Turbulence

Emulsion
  • Inconsistent Process Composition & Temperature
  • Insufficient Straight Run
  • Aerated Fluids
  • Turbulence

Solids
  • Dry granulated processes are NOT good candidates for thermal switches

Documentation

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