The Kayden CLASSIC 810 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, 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 - MNPT

    • 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, 24000 kPa, 240 bar
    • CRN 1/2" MNPT Process Connection: 1224 psi,  8439 kPa, 84.3 bar
    • CRN 3/4" & 1" MNPT Process Connection: 608 psi, 4192 kPa, 41.9 bar
    • CRN 1-1/2" MNPT Process Connection: 1165 psi, 8032 kPa, 80.3 bar
  • Temperature Range (Sensor)

    • -45°C to 200°C, -50°F to 392°F
  • Local Enclosure

    • Aluminum Flameproof, 1" FNPT
  • Conduit Connection Cover

    • Blind or Glass Lens, Flameproof
  • Wetted Materials

    • 316/316L Stainless Steel
    • Other Materials Available
  • 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
    • NEMA 4
    • ASME BPVC Sec. VIII Div. 1
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.
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Showing 34 Models
Showing 34 Models

34 Models In Stock

810-RAC-0012-C1B0A1E
810-RAC-0012-C1B0A1E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,105.00
  • 1/2" Male NPT Connection (C)
  • 1.2" (3 cm) 'U' Length (0012)
  • Blind Cover (B)
  • CSA (1)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    1/2" (Maximum 6" Insertion Length)
  • Insertion 'U' Length

    1.2" (3.0 cm)
  • Cover for Local Enclosure

    Blind Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CSA (Canada & US)
810-RAC-0012-C1G0A1E
810-RAC-0012-C1G0A1E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,240.00
  • 1/2" Male NPT Connection (C)
  • 1.2" (3 cm) 'U' Length (0012)
  • Lens Cover (G)
  • CSA (1)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    1/2" (Maximum 6" Insertion Length)
  • Insertion 'U' Length

    1.2" (3.0 cm)
  • Cover for Local Enclosure

    Glass Lens Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CSA (Canada & US)
810-RAC-0040-C1B0A1E
810-RAC-0040-C1B0A1E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,155.00
  • 1/2" Male NPT Connection (C)
  • 4" (10.1 cm) 'U' Length (0040)
  • Blind Cover (B)
  • CSA (1)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    1/2" (Maximum 6" Insertion Length)
  • Insertion 'U' Length

    4" (10.1 cm)
  • Cover for Local Enclosure

    Blind Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CSA (Canada & US)
810-RAC-0040-C1G0A3E
810-RAC-0040-C1G0A3E
KAYDEN CLASSIC Thermal Flow,Level,Interface Switch
$1,290.00
  • 1/2" Male NPT Connection (C)
  • 4" (10.1 cm) 'U' Length (0040)
  • Lens Cover (G)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    1/2" (Maximum 6" Insertion Length)
  • Insertion 'U' Length

    4" (10.1 cm)
  • Cover for Local Enclosure

    Glass Lens Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CRN & CSA (Canada)
810-RAD-0012-C1G0A1E
810-RAD-0012-C1G0A1E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,240.00
  • 3/4" Male NPT Connection (D)
  • 1.2" (3 cm) 'U' Length (0012)
  • Lens Cover (G)
  • CSA (1)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    1.2" (3.0 cm)
  • Cover for Local Enclosure

    Glass Lens Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CSA (Canada & US)
810-RAD-0020-C1B0A3E
810-RAD-0020-C1B0A3E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,105.00
  • 3/4" Male NPT Connection (D)
  • 2" (5 cm) 'U' Length (0020)
  • Blind Cover (B)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    2" (5.0 cm)
  • Cover for Local Enclosure

    Blind Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CRN & CSA (Canada)
810-RAD-0020-C1G0A1E
810-RAD-0020-C1G0A1E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,240.00
  • 3/4" Male NPT Connection (D)
  • 2" (5 cm) 'U' Length (0020)
  • Lens Cover (G)
  • CSA (1)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    2" (5.0 cm)
  • Cover for Local Enclosure

    Glass Lens Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CSA (Canada & US)
810-RAD-0020-C1G0A9E
810-RAD-0020-C1G0A9E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,240.00
  • 3/4" Male NPT Connection (D)
  • 2" (5 cm) 'U' Length (0020)
  • Lens Cover (G)
  • FM (9)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    2" (5.0 cm)
  • Cover for Local Enclosure

    Glass Lens Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    FM
810-RAD-0030-C1B0A1E
810-RAD-0030-C1B0A1E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,136.00
  • 3/4" Male NPT Connection (D)
  • 3" (7.5 cm) 'U' Length (0030)
  • Blind Cover (B)
  • CSA (1)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    3" (7.5 cm)
  • Cover for Local Enclosure

    Blind Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CSA (Canada & US)
810-RAD-0030-C1G0A3E
810-RAD-0030-C1G0A3E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,271.00
  • 3/4" Male NPT Connection (D)
  • 3" (7.5 cm) 'U' Length (0030)
  • Lens Cover (G)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    3" (7.5 cm)
  • Cover for Local Enclosure

    Glass Lens Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CRN & CSA (Canada)
810-RAD-0040-C1B0A3E
810-RAD-0040-C1B0A3E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,155.00
  • 3/4" Male NPT Connection (D)
  • 4" (10.1 cm) 'U' Length (0040)
  • Blind Cover (B)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    4" (10.1 cm)
  • Cover for Local Enclosure

    Blind Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CRN & CSA (Canada)
810-RAD-0040-C1G0A3E
810-RAD-0040-C1G0A3E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,290.00
  • 3/4" Male NPT Connection (D)
  • 4" (10.1 cm) 'U' Length (0040)
  • Lens Cover (G)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    4" (10.1 cm)
  • Cover for Local Enclosure

    Glass Lens Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CRN & CSA (Canada)
810-RAD-0060-C1G0A1E
810-RAD-0060-C1G0A1E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,367.00
  • 3/4" Male NPT Connection (D)
  • 6" (15.2 cm) 'U' Length (0060)
  • Lens Cover (G)
  • CSA (1)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    6" (15.2 cm)
  • Cover for Local Enclosure

    Glass Lens Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CSA (Canada & US)
810-RAD-0060-C1G0A3E
810-RAD-0060-C1G0A3E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,367.00
  • 3/4" Male NPT Connection (D)
  • 6" (15.2 cm) 'U' Length (0060)
  • Lens Cover (G)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    6" (15.2 cm)
  • Cover for Local Enclosure

    Glass Lens Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CRN & CSA (Canada)
810-RAD-0090-C1G0A1E
810-RAD-0090-C1G0A1E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,467.00
  • 3/4" Male NPT Connection (D)
  • 9" (23 cm) 'U' Length (0090)
  • Lens Cover (G)
  • CSA (1)
  • Sensor Material

    316/316L Stainless Steel
  • Process Connection - Male NPT

    3/4"
  • Insertion 'U' Length

    9" (23 cm)
  • Cover for Local Enclosure

    Glass Lens Cover
  • Remote Electronics Enclosure & Cover

    Not Required
  • Agency Approvals

    CSA (Canada & US)
810-RAD-0120-C1G0A3E
810-RAD-0120-C1G0A3E
Kayden Flow, Level & Interface Switch, CLASSIC Series
$1,575.00
  • 3/4" Male NPT Connection (D)
  • 12" (30 cm) 'U' Length (0120)
  • Lens Cover (G)