The Kayden CLASSIC 812 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 812 is available with a Raised Face or RTJ Flange, in a wide range of flange sizes, ANSI ratings 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.
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Process Connection
- Raised Face or RTJ Flange
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Adjustable Set Point Range
- 0-254 feet/s, 0-77 meters/s
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Insertion 'U' Length
- Available in 1/2" or 1 cm increments
- Min. 2.5" - Max. 120" (6.0 - 305 cm)
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Input Power
- 12-24 VDC & 115-230 VAC, 50-60 Hz
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Operating Pressure (Maximum)
- Per Flange Rating, ASME B16.5
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Temperature Range (Sensor)
- -45°C to 200°C, -50°F to 392°F
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Local Enclosure
- Aluminum Flameproof, 1" FNPT Conduit Connection
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Cover
- Blind or Glass Lens, Flameproof
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Wetted Materials
- 316/316L Stainless Steel
- Other Materials Available
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Outputs/Communications
- Two Independent Relays (SPDT), 4-20 mA, Modbus
- Rated 120 Vac max, 30 Vdc max, 4A max
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Approvals
- FM
- CSA
- CRN
- Single Seal
- NACE
- NEMA 4X
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.
P12 CLASSIC Series
Kayden Flow, Level & Interface Sensor, CLASSIC Series
$850.00
$9.99 Priority Shipping Worldwide
$9.99 Priority Shipping Worldwide
- Replacement Sensor for Kayden CLASSIC 812 Series
- Process Connection - Flanged:
- Raised Face or RTJ (Ring-Type Joint)
- 1-1/2", 2", 3", 4"
- ANSI Rating: 150#, 300#, 600#
- Insertion 'U' Length: Available in 1/2" or 1 cm increments
- Min. 2.5" - Max. 120" (6.0 - 305 cm)
- Temperature Range (Sensor): -45°C to 200°C, -50°F to 392°F
- Adjustable Set Point Range: 0-254 feet/s, 0-77 meters/s
- Materials of Construction (Sensor and Flange):
- 316/316L Stainless Steel
- Other Metals Available
- Sensor Connection: Molex 8-Pin
- UL, FM, CSA, CRN, Single Seal, NACE
Selected Configuration
Model #:
812-RAA141A-I0060-C1G0A1E
Price:
$2,035.00 USD
Availability:
In Stock
Min. Qty:
1 Item
Configuration
reset configuration
Agency Approvals
- CRN - Canadian Registration Numbers 1" & 1-1/2” Flanges Approved for All Provinces & Territories
- 812-RAA Series : CRN # 0F13787.2C
- 316/316L Stainless Steel; Pipe NPS 1/2" Schedule 80
- Code of Construction: ASME B31.3
- Maximum Working Pressure:
- Class 150 (275 psi, 1896 kPa, 18.9 bar)*
- Class 300 (720 psi, 4964 kPa, 49.6 bar)*
- Class 600 (1440 psi, 9928 kPa, 99.2)*
- or per flange rating, whichever is less
- 2.5" to 120" 'U' Length
- 812-RAA Series : CRN # 0F13773.2C
- 316/316L Stainless Steel; Pipe NPS 3/4" Schedule 80
- Code of Construction: ASME B31.3
- Maximum Working Pressure:
- Class 150 (275 psi, 1896 kPa, 18.9 bar)*
- Class 300 (720 psi, 4964 kPa, 49.6 bar)*
- Class 600 (1440 psi, 9928 kPa, 99.2)*
- or per flange rating, whichever is less
- 2.5" to 120" 'U' Length
* Pressure derated by temperature & per flange class rating (ASME B16.5-2013, Table II-2-2.2).
Please contact Kayden Instruments for further information. - 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 +149° F (+65° C), the electronics must be remotely mounted.
- -55° to 65° C (-67° to 149° F)
Operating Temperature - Sensor
- -45° to 200° C (-50° to 392° 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#
- 4" (DN100) - 300#
- 4" (DN100) - 600#
- 3" (DN80) - 150#
- 3" (DN80) - 300#
- 3" (DN80) - 600#
- 8" (DN200) - 150#
- 8" (DN200) - 300#
- 8" (DN200) - 600#
- 1" (DN25) - 150#
- 1" (DN25) - 300#
- 1" (DN25) - 600#
- 2" (DN50) - 150#
- 2" (DN50) - 300#
- 2" (DN50) - 600#
- 5" (DN125) - 150#
- 5" (DN125) - 300#
- 5" (DN125) - 600#
- 1-1/2" (DN40) - 150#
- 1-1/2" (DN40) - 300#
- 1-1/2" (DN40) - 600#
- 6" (DN150) - 150#
- 6" (DN150) - 300#
- 6" (DN150) - 600#
- 10" (DN250) - 150#
- 10" (DN250) - 300#
- 10" (DN250) - 600#
Insertion 'U' Length
2.5" (6.4 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
Switch Type
- 2 SPDT sealed relay contacts rated @ 4 amps resistive 230 VAC or 30 VDC Max, individually adjustable
Input Power
- 12-24 Vdc; 120-240 Vac, 50-60 Hz
- Power Consumption: Maximum 4.8 W (Fully Configured)
- Universal Power Input
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) Rates 120 Vac Maximum, 30 Vdc Maximum, 4A Maximum
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
- 316/316L Stainless Steel
- Other Exotic Metals Available
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.
These covers are acceptable for use in hazardous areas.
- Blind Cover - Flameproof
- Glass Lens Cover - Flameproof
Wetted Materials
316/316L stainless steel is standard.
- 316/316L Stainless Steel
- All-welded construction
- Hastelloy® C-276
- Other metals available
- Titanium Grade 2
Cover - For Local Enclosure
For local enclosure types, blind cover is standard.
- Blind Cover - Flameproof
- Glass Lens Cover - Flameproof
Sensor/Probe Style
- Insertion
Applications
- Flow
- Interface
- Level
