Kayden® CLASSIC® 832 Thermal Flow Switch & Transmitter

Brand: Kayden Instruments

The Kayden CLASSIC 832 Flow Switch & Transmitter features a precision-welded, highly accurate stainless steel sensor.

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

The CLASSIC 832 is available with a Raised Face or RTJ Flange, in a wide range of flange sizes, ANSI ratings, and assembly widths.

All Kayden models feature a rugged flameproof enclosure with blind or lens covers available.

  • Process Connections
    • Raised Face or RTJ Flange
  • Adjustable Set Point Range
    • 0-20,000 cc/s
  • Sensor Assembly Body Width
    • inch 7" to 72" in 0.5" increments
    • cm 18 cm to 182 cm in 1 cm increments
    • minimum body width determined by flange size and rating
  • Input Power
    • 12-24 Vdc & 115-230 Vac, 50-60 Hz
  • Operating Pressure - Maximum
    • psi 3480
    • kPa 24,000
    • bar 240
  • Temperature Range - Sensor
    • -45° to 200° C
    • -50° to 392° F
  • Local Enclosure
    • Aluminum Flameproof
    • 1" Female NPT Conduit Connection
  • Local Enclosure Cover
    • Blind or Glass Lens, Flameproof
  • Wetted Materials
    • 316/316L Stainless Steel & with Nickel Braze
  • Outputs/Communications
    • Two Independent Relays - SPDT
    • 4-20 mA
    • Modbus
  • Approvals
    • CSA
    • Single Seal
    • NACE
    • NEMA 4, 4X, 6P, IP65/67

Specifications

Applications

  • Flow

Principle of Operation

  • Thermal, Calorimetric

Sensor, Probe Style

  • InLine Flanged

Flange Type

  • RF - Raised Face
  • RTJ - Ring Typical Joint

Flange Class

  • 150#
  • 300#
  • 600#
  • 900#

Flange Size

  • 3/4"
  • 1" DN 25
  • 1-1/2" DN 40
  • 2" DN 50
  • 3" DN 80
  • 4" DN 100
  • 5" DN 125
  • 6" DN 150
  • 8" DN 200
  • 10 DN 250

Flange Material

  • 316, 316L Stainless Steel

Sensor Construction

  • 316, 316L Stainless Steel with Nickel Brazing

Wetted Materials

  • 316, 316L Stainless Steel with Nickel Brazing

Pipe Schedule

  • Schedule 40
  • Schedule 80

Sensor Assembly Body Lengths

  • Custom Body Lengths: 7” to 72” (18 cm to 182 cm) in 1/2” (1 cm) Increments

Bleed Port

  • 1/4” Threaded

Sensor Orientation

  • Horizontal
  • Vertical

Operating Pressure - Sensor

  • Maximum

Operating Temperature - Sensor

  • -45° to 200° C (-50° to 392° F)

Operating Temperature - Electronics

  • -55° to 65° C (-67° to 149° F)

Switch Point Range

  • Gases: 0.6 to 20,000 cc/second, Standard Condition: 21° C (70° F) at 14.7 psi (1 Atm)
  • Hydrocarbon-based Liquids: 0.033 to 110 cc/second
  • Water-based Liquids: 0.015 to 50 cc/second

Response Time

  • Approximately 0.5 to 30 seconds

Switch Type

  • 2 SPDT Sealed Relay Contacts Rated @ 4 Amps Resistive 230 Vac or 30 Vdc, Max.

Accuracy

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

Input Power

  • 12-24 Vdc, 115-230 Vac, 50/60 Hz / Universal Power Input
  • Power Consumption: Max.

Output

  • 4-20 mA (Thermal Signal, Scaleable)

Communication

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

Approvals & Certifications

  • CSA
  • CSA - Local (Sensor) Enclosure Flameproof: Class I, Div. 1, Groups B, C, D, Ex d IIB + H₂ AEx d IIB + H₂ (Class I, Zone 1, Group IIB + H₂) Temperature Code: T3 Enclosure Typical 4, IP55 Single Seal Approved Per ANSI/ISA 12.27.01-2003
  • CSA - Remote Electronics Enclosure - Optional Flameproof: Class I, Groups B, C, D, Ex d IIB + H₂ AEx d IIB + H₂ (Class I, Zone 1, Groups IIB + H₂) Temperature Code: T3

Electronics - Standard Features

  • *Configurable only 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 & Constant Display of Operation (Flow/Level)
  • Start-Up Bypass Timer
  • Temperature Compensation
  • Temperature Mode*: Process Temperature may be Displayed/Graphed in Flow/Level Mode

Remote Control & Monitoring Software

  • Adjust Relay Modes
  • Adjust Set Points 1 & 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

Environmental Protection

  • IP55
  • IP67
  • NEMA 4X
  • TYPE 4

Enclosure Finish

  • Powder-Coated Polyester TGIC

Enclosure, Body Material

  • Copper-Free Aluminum (Does Not Exceed 0.4 % Copper)

Enclosure, Body Details

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

Cover - for Local Enclosure

  • Blind Cover - Flameproof
  • Glass Lens Cover - Flameproof

Remote Electronics Enclosure & Cover

  • Glass Lens Cover - Flameproof

Storage Temperature

  • Product Should be Stored in a Clean & Dry Environment between -30° & 60° C (-22° & 140° F)

Flow
  • Pump Protection – Dry Alarm
  • Leak Detection
  • Flow Monitoring & Verification
  • Tank Overflow Protection
  • Flare Gas Monitoring
  • Monitoring Purge Air Flow
  • Lube Oil Systems
  • Vent Monitoring
  • Natural Gas to Boilers
  • Emergency Eye Wash & Shower Stations
  • Drain Line Flow
  • High Pressure Flows
  • Tanker Loading & Unloading
  • Relief Valve & Rupture Disk Flow Monitoring
  • Remote Indication of Flow via Analog Output & Digital Communications
  • Chemical Injection/Additive Flow Monitoring
Level
  • Storage Tanks
  • Oil Separators & Treaters – High, Low & Interface Level
  • Sumps – All Types of fluids ( Water, Oil, etc. )
  • Free Water Knock-out Tanks – High, Low and Interface Level
  • Leak Detection (Accumulation Reservoir)
  • Tank Overflow
  • Sampler Systems
  • Sand Separators
Media
  • Liquids, Air & Gases
  • Hazardous & General-Purpose Areas
  • Slurries
  • Corrosive Liquids

Documentation

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