The Kayden CLASSIC 814 Flow, Level and Interface Switch & Transmitter features a precision welded, highly accurate stainless steel sensor.

Ideal for liquids, gases & slurries in a clean or dirty process.

The CLASSIC 814 Retractable Packing Gland is available with a Raised Face or RTJ Flange, in a wide range of flange sizes and ANSI ratings, with low and medium pressure applications.

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 Connection

    • Retractable Packing Gland
    • Raised Face or RTJ Flange
  • Adjustable Set Point Range

    • 0-254 feet/s, 0-77 meters/s
  • Insertion 'U' Length

    • Available in 1/2" (1 cm) increments
    • Min. 2.5" - Max. 120" (6.4 - 305 cm)
  • Input Power

    • 12-24 VDC & 115-230 VAC, 50-60 Hz
  • Operating Pressure (Maximum)

    • Dependant on Flange Rating
  • Temperature Range (Sensor)

    • -40°C to 160°C, -40°F to 320°F
  • Local Enclosure

    • Aluminium Flameproof, 1" FNPT Conduit Connection
  • Cover

    • Blind or Glass Lens Flameproof
  • Materials of Construction (Sensor and Flange)

    • 316/316L Stainless Steel
  • Outputs/Communications

    • Two Independent Relays (SPDT), 4-20 mA, Modbus
  • Approvals

    • CSA
    • FM
    • Single Seal
    • NACE
    • NEMA 4X
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.
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9 Models In Stock

814-RAA131AT-I0150-C1B0A1E
814-RAA131AT-I0150-C1B0A1E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$2,783.00
  • Process Connection:
    • Flanged Retractable Packing Gland Raised Face
    • 1-1/2" MNPT
    • ANSI: 150
  • Flange Materials: 316 Stainless Steel 
  • Adjustable Set Point Range: 0-254 feet/s, 0-77 meters/s
  • Insertion 'U' Length: 15", 38.1 cm
  • Input Power: 12-24 VDC & 115-230 VAC, 50-60 Hz
  • Operating Pressure (Maximum): 3480 psi, 24000 kPa, 240 bar
  • Temperature Range (Sensor): -40°C to 160°C, -40°F to 320°F
  • Local Enclosure: Aluminium Flameproof, 1" FNPT
  • Cover: Flameproof Blind Cover
  • Remote Electronics Enclosure and Cover: Not Required
  • Wetted Materials:
    • Standard: 316 Stainless Steel
  • Outputs/Communications:
    • Two Independent Relays (SPDT), 4-20 mA, Modbus
  • UL, CSA, Single Seal, NACE, NEMA 4
814-RAA131AT-M2700-C1B0A1E
814-RAA131AT-M2700-C1B0A1E
Kayden Flow, Level & Interface Switch, CLASSIC 814 Series
$5,549.00
  • Process Connection:
    • Flanged Retractable Packing Gland Raised Face
    • 1-1/2" MNPT
    • ANSI: 150
  • Flange Materials: 316 Stainless Steel
  • Adjustable Set Point Range: 0-254 feet/s, 0-77 meters/s
  • Insertion 'U' Length: 270cm, (106.3")
  • Input Power: 12-24 VDC & 115-230 VAC, 50-60 Hz
  • Operating Pressure (Maximum): 3480 psi, 24000 kPa, 240 bar
  • Temperature Range (Sensor): -40°C to 160°C, -40°F to 320°F
  • Local Enclosure: Aluminium Flameproof, 1" FNPT
  • Cover: Flameproof Blind Cover
  • Remote Electronics Enclosure and Cover: Not Selected
  • Wetted Materials:
    • Standard: 316 Stainless Steel
  • Outputs/Communications:
    • Two Independent Relays (SPDT), 4-20 mA, Modbus
  • UL, CSA, Single Seal, NACE, NEMA 4
814-RAA131ET-I0140-C1G0A1E
814-RAA131ET-I0140-C1G0A1E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$2,783.00
  • Process Connection:
    • Flanged Retractable Packing Gland Raised Face
    • 1-1/2" MNPT
    • ANIS: 150
  • Flange Materials: Carbon Steel
  • Adjustable Set Point Range: 0-254 feet/s, 0-77 meters/s
  • Insertion 'U' Length: 14", 35.5 cm
  • Input Power: 12-24 VDC & 115-230 VAC, 50-60 Hz
  • Operating Pressure (Maximum): 3480 psi, 24000 kPa, 240 bar
  • Temperature Range (Sensor): -40°C to 160°C, -40°F to 320°F
  • Local Enclosure: Aluminium Flameproof, 1" FNPT
  • Cover: Flameproof Glass Cover
  • Remote Electronics Enclosure and Cover: Not Selected
  • Wetted Materials:
    • Standard: 316 Stainless Steel
  • Outputs/Communications:
    • Two Independent Relays (SPDT), 4-20 mA, Modbus
  • UL, CSA, Single Seal, NACE, NEMA 4
814-RAA141AJ-M2000-C1G0A9E
814-RAA141AJ-M2000-C1G0A9E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$3,101.00
  • Process Connection:
    • Flanged Retractable Packing Gland Raised Face
    • 2" MNPT
    • ANIS: 150
  • Flange Materials: 316 Stainless Steel
  • Adjustable Set Point Range: 0-254 feet/s, 0-77 meters/s
  • Insertion 'U' Length: 78.7", 200 cm
  • Input Power: 12-24 VDC & 115-230 VAC, 50-60 Hz
  • Operating Pressure (Maximum): 3480 psi, 24000 kPa, 240 bar
  • Temperature Range (Sensor): -40°C to 160°C, -40°F to 320°F
  • Local Enclosure: Aluminium Flameproof, 1" FNPT
  • Cover: Flameproof GlassCover
  • Remote Electronics Enclosure and Cover: Not Selected
  • Wetted Materials:
    • Standard: 316 Stainless Steel
  • Outputs/Communications:
    • Two Independent Relays (SPDT), 4-20 mA, Modbus
  • FM, NACE, NEMA 4
814-RAA141AT-I0160-C1B0A1E
814-RAA141AT-I0160-C1B0A1E
KAYDEN CLASSIC Thermal Flow,Level,Interface Switch, Mod1us, P/G 2" 150# Flange, 16"U, SST, Blind,CSA
$2,851.00
  • Process Connection:
    • Flanged Retractable Packing Gland Raised Face
    • 2" MNPT
    • ANSI: 150
  • Flange Materials: Stainless Steel
  • Adjustable Set Point Range: 0-254 feet/s, 0-77 meters/s
  • Insertion 'U' Length: 16", 40.6 cm
  • Input Power: 12-24 VDC & 115-230 VAC, 50-60 Hz
  • Operating Pressure (Maximum): 3480 psi, 24000 kPa, 240 bar
  • Temperature Range (Sensor): -40°C to 160°C, -40°F to 320°F
  • Local Enclosure: Aluminium Flameproof, 1" FNPT
  • Cover: Flameproof Blind Cover
  • Remote Electronics Enclosure and Cover: Not Required
  • Wetted Materials:
    • Standard: 316 Stainless Steel
  • Outputs/Communications:
    • Two Independent Relays (SPDT), 4-20 mA, Modbus
  • UL, CSA, Single Seal, NACE, NEMA 4
  • 814-RAA141AT-I0360-C1B0A1E
    814-RAA141AT-I0360-C1B0A1E
    Kayden Flow, Level & Interface Switch, CLASSIC Series
    $3,446.00
    • Process Connection:
      • Flanged Retractable Packing Gland Raised Face
      • 2" MNPT
      • ANIS: 150
    • Flange Materials: Stainless Steel
    • Adjustable Set Point Range: 0-254 feet/s, 0-77 meters/s
    • Insertion 'U' Length: 36", 91.4 cm
    • Input Power: 12-24 VDC & 115-230 VAC, 50-60 Hz
    • Operating Pressure (Maximum): 3480 psi, 24000 kPa, 240 bar
    • Temperature Range (Sensor): -40°C to 160°C, -40°F to 320°F
    • Local Enclosure: Aluminium Flameproof, 1" FNPT
    • Cover: Flameproof Blind Cover
    • Remote Electronics Enclosure and Cover: Not Selected
    • Wetted Materials:
      • Standard: 316 Stainless Steel
    • Outputs/Communications:
      • Two Independent Relays (SPDT), 4-20 mA, Modbus
    • UL, CSA, Single Seal, NACE, NEMA 4
    814-RAA141AX-I0070-CIG0A1E
    814-RAA141AX-I0070-CIG0A1E
    Kayden Flow, Level & Interface Switch, CLASSIC Series
    $3,412.00
    • Process Connection:
      • Flanged Retractable Packing Gland Raised Face
      • 2" MNPT
      • ANIS: 150
    • Flange Materials: 316 Stainless  Steel
    • Adjustable Set Point Range: 0-254 feet/s, 0-77 meters/s
    • Insertion 'U' Length: 7", 17.7 cm
    • Input Power: 12-24 VDC & 115-230 VAC, 50-60 Hz
    • Operating Pressure (Maximum): 3480 psi, 24000 kPa, 240 bar
    • Temperature Range (Sensor): -40°C to 160°C, -40°F to 320°F
    • Local Enclosure: Aluminium Flameproof, 1" FNPT
    • Cover: Flameproof Glass Cover
    • Remote Electronics Enclosure and Cover: Not Selected
    • Wetted Materials:
      • Standard: 316 Stainless Steel
    • Outputs/Communications:
      • Two Independent Relays (SPDT), 4-20 mA, Modbus
    • UL, CSA, Single Seal, NACE, NEMA 4
    814-RAA141AX-I0300-C1G0A1E
    814-RAA141AX-I0300-C1G0A1E
    Kayden Flow, Level & Interface Switch, CLASSIC Series
    $4,096.00
    • Process Connection:
      • Flanged Retractable Packing Gland Raised Face
      • 2" MNPT
      • ANIS: 150
    • Flange Materials: 316 Stainless Steel
    • Adjustable Set Point Range: 0-254 feet/s, 0-77 meters/s
    • Insertion 'U' Length: 30", 76.2 cm
    • Input Power: 12-24 VDC & 115-230 VAC, 50-60 Hz
    • Operating Pressure (Maximum): 3480 psi, 24000 kPa, 240 bar
    • Temperature Range (Sensor): -40°C to 160°C, -40°F to 320°F
    • Local Enclosure: Aluminium Flameproof, 1" FNPT
    • Cover: Flameproof Glass Cover
    • Remote Electronics Enclosure and Cover: Not Selected
    • Wetted Materials:
      • Standard: 316 Stainless Steel
    • Outputs/Communications:
      • Two Independent Relays (SPDT), 4-20 mA, Modbus
    • UL, CSA, Single Seal, NACE, NEMA 4
    814-RAA161AT-I1390-C1B0A1E
    814-RAA161AT-I1390-C1B0A1E
    Kayden Flow, Level & Interface Switch, CLASSIC Series
    $6,582.00
    • Process Connection:
      • Flanged Retractable Packing Gland Raised Face
      • 4" MNPT
      • ANIS: 150
    • Flange Materials: 316 Stainless Steel
    • Adjustable Set Point Range: 0-254 feet/s, 0-77 meters/s
    • Insertion 'U' Length: 139", 353 cm
    • Input Power: 12-24 VDC & 115-230 VAC, 50-60 Hz
    • Operating Pressure (Maximum): 3480 psi, 24000 kPa, 240 bar
    • Temperature Range (Sensor): -40°C to 160°C, -40°F to 320°F
    • Local Enclosure: Aluminium Flameproof, 1" FNPT
    • Cover: Flameproof Blind Cover
    • Remote Electronics Enclosure and Cover: Not Selected
    • Wetted Materials:
      • Standard: 316 Stainless Steel
    • Outputs/Communications:
      • Two Independent Relays (SPDT), 4-20 mA, Modbus
    • UL, CSA, Single Seal, NACE, NEMA 4

    Selected Configuration

    Model #:

    814-RAA131AT-I0025-C1B0A1E

    Price:
    $1,849.00 USD
    Availability:
    Ships 10 - 15 Days
    Min. Qty:
    1 Item

    Configuration

    reset configuration

    Agency Approvals

    • CRN - Canadian Registration Number - The Kayden Classic 814 does not have a CRN Number


    • CSA - Local (Sensor) Enclosure
      • Flameproof: Class I, Division 1, Groups B, C and D; Ex d IIB + H2
      • AEx d IIB + H2 (Class I, Zone 1, Group IIB + H2)
      • Temperature Code: T3
      • Enclosure Type 4 / IP55
      • Single Seal Approved per ANSI / ISA 12.27.01-2003
    • CSA - Remote Electronics Enclosure - Optional
      • Flameproof: Class I, Groups B, C and D; Ex d IIB + H2
      • AEx d IIB + H2 (Class I, Zone 1, Groups IIB + H2)
      • Temperature Code: T3
    • FM - Local (Sensor) Enclosure
      • Flameproof: Class I, Division 1, Groups B, C and D
      • Temperature Codes: T2D (Ta=75º C); T3 (Ta=65º C)
      • Class I, Zone 1, AEx d IIB + H2
      • Enclosure Type 4 / IP55
    • FM - Remote Electronics Enclosure - Optional
      • Flameproof: Class I, Division 1, Groups B, C and D
      • Temperature Codes: T2D (Ta=75º C), T3 (Ta=65º C)
      • Class I, Zone 1, AEx d IIB + H2
      • Enclosure Type 4 / IP55

    Principle of Operation

    • Thermal (Calorimetric)

    Environmental Protection

    • NEMA 4 / IP55

    Operating Pressure - Sensor

    • Maximum Working Pressure per Flange Rating

    Operating Temperature - Electronics

    For temperatures above +65° C (+149° F), the electronics must be remotely mounted. 
    • -55° to 65° C (-67° to 149° F)

    Operating Temperature - Sensor

    • -40° to 160° C (-40° to 320° F)

    Storage Temperature

    • Product should be stored in a clean and dry environment between -30° and 60° C (-22° and 140° F)

    Accuracy

    • Flow Service:
      ±1.0% of Set Point Velocity over Operating Range of ±28º C (±50º F)
    • Level Service:
      ±0.64 cm (0.25")

    Switch Point Range

    • Gases:
      0.25 to 200 SFPS, 0.08 to 60 SMPS - standard condition 21° C (70° F) at 14.7 psi (1 atm)
    • Hydrocarbon-based Liquids:
      0.01 to 5.0 FPS, 0.003 to 1.50 MPS
    • Water-based Liquids:
      0.01 to 3.00 FPS, 0.003 to 0.9 MPS

    Response Time

    • Approximately 0.5 to 30 Seconds

    Process Connection - Flanged

    • 4" (DN100) - 150#
    • 3" (DN80) - 150#
    • 1-1/2" (DN40) - 150#
    • 5" (DN125) - 150#
    • 6" (DN150) - 150#
    • 8" (DN200) - 150#
    • 10" (DN250) - 150#
    • 2" (DN50) - 150#

    Insertion 'U' Length

    2.5" (6 cm) is standard.
    • Custom 'U' Lengths 2.5" to 120" (6.4 cm to 305 cm) Available in 1/2" (1.0 cm) Increments.

    Flange Type

    • Raised Face
    • RTJ - Ring Type Joint

    Process Connection Style

    • Flanged Retractable

    Switch Type

    • 2 SPDT sealed relay contacts rated @ 4 amps resistive 230 VAC or 30 VDC Max, individually adjustable

    Input Power

    • 12-24 Vdc; 115-230 Vac, 50-60 Hz / Universal Power Input
    • Power Consumption: Maximum 4.8 W (Fully Configured)

    Communication

    • MODBUS RTU Communication-Alarms, Flow Status and Diagnostics
    • RS-485 using Kayden's Remote Control and Monitoring Software (RCMS) or other Modbus Compatible Software

    Output

    • 4-20 mA (Thermal Signal, Scaleable)

    Remote Control & Monitoring Software

    • Adjust Relay Modes
    • Adjust Set Points 1 and 2
    • Load or Save User Settings
    • Lock or Unlock the Display Panel to Protect the Settings
    • Many other Adjustable Features
    • Modify Heater Settings to Optimize Response Time
    • Monitor Operating Status
    • Operated via a Personal Computer Locally or from a Remote Control Center
    • Visualize the Actions of the Process via the Graphical Display

    Electronics - Standard Features

    • * Only configurable from the Kayden RCM software
    • 100% Digital Design. Electronics are Environmentally Sealed
    • 4-Adjustable Independent Switch Point Timers
    • Automated Redundant Self-Test Diagnostics
    • Display Panel Lock-Out*
    • Easy Setup: No Mechanical Jumpers or Trim Pots
    • Incrementally Adjustable Heater Power (5% steps) with Automatic Over-Range Protection
    • Intelligent User Interface with Push-Button and Constant Display of Operation (Flow/Level)
    • Start-Up Bypass Timer
    • Temperature Compensation
    • Temperature Mode*: Process Temperature may be Displayed/Graphed in Flow/Level Mode

    Enclosure/Body Material

    • Copper-Free Aluminum (Does not exceed 0.4% Copper)

    Enclosure Finish

    • Powder Coated Polyester TGIC

    Flange Material

    • 316 Stainless Steel

    Enclosure/Body Details

    • 1" Female NPT Conduit Connection
    • Buna-N O-Ring on Cover

    Remote Electronics Enclosure & Cover

    For temperatures above +65° C (+149° F), the electronics must be remotely mounted.  If cables are required, we recommend the Kayden A06-XP Flameproof Cable & Connector Assembly.

    These covers are acceptable for use in hazardous areas.
    • Blind Cover - Flameproof
    • Glass Lens Cover - Flameproof

    Retraction Assembly

    • Low Pressure with Security Chain; 316/316L Stainless Steel (MWP 125 psi)
    • Low Pressure; 316/316L Stainless Steel (MWP 50 psi)
    • Medium Pressure; 316/316L Stainless Steel (MWP 500 psi)

    Wetted Materials

    • 316/316L Stainless Steel
    • All-welded construction
    • Highly Saturated Nitrile (pressure seal-sensor)

    Cover - For Local Enclosure

    For local enclosure types below, blind cover is standard.
    • Blind Cover - Flameproof
    • Glass Lens Cover - Flameproof

    Sensor/Probe Style

    • Insertion

    Applications

    • Flow
    • Interface
    • Level
    A05-GP

    A05-GP

    Kayden General Purpose Remote Cable

    A06-GP

    A06-GP

    Kayden General Purpose Cable & Connector Assembly

    A06-XP

    A06-XP

    Kayden Flameproof Cable & Connector Assembly

    A15-321

    A15-321

    Kayden RS232/RS485 Serial Communication Adapter

    A15-322

    A15-322

    Kayden RS232/USB Adapter

    A15-323

    A15-323

    Kayden RS485/USB Adapter

    Flat Duct Flange

    Flat Duct Flange

    Kayden Flat Duct Flange Mounting Plate

    Rolled Duct Flange

    Rolled Duct Flange

    Kayden Rolled Duct Flange Mounting Plate