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LKV5000 Refrigerated Kinematic Viscosity Bath with Optical Flow Detection System
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Last Updated
08 May 2019
Country Origin
United States
Minimum Order
1 unit

Specification of LKV5000 Refrigerated Kinematic Viscosity Bath with Optical Flow Detection System

K22751-OS Refrigrated kinematic viscosity bath with optical detection,115v 60hz

K22752-OS Refrigrated kinematic viscosity bath with optical detection,220-240v 50/60hz

K22753-OS Refrigrated kinematic viscosity bath with optical detection,115v 60hz

K22754-OS Refrigrated kinematic viscosity bath with optical detection,220-240v 50/60hz

Kinematic viscosity is of primary importance in the design and selection of a wide range of petroleum products. Calibrated capillary viscometers are used to measure flow under gravity or vacuum at precisely controlled temperatures.

  • Complete instrument and data acquisition system exclusively designed for conducting ASTM D445, IP 71 and related test methods
  • Optical sensor detection system accurately measures sample flow and automatically calculates kinematic viscosity results
  • Powerful software system for PC platforms operating in Windows® XP, Vista, 7 and 8 environments
  • Automatic calculation and display of results in viscosity units or seconds
  • Accommodates Ubbelohde, Cannon®- Fenske, and Cannon®- Fenske Opaque Reverse Flow viscometers
  • High accuracy temperature control with dual digital displays show set point and actual bath temperature with selectable scale (°C or °F)
  • Stand alone feature provides for automated testing without an external PC
  • Improved design with enhanced performance and safety features
  • Software exports test data with graphs and test parameters direct to CSV file format for use with LIMS or any other spreadsheet program
  • Integrated digital timing for easy measurement of sample efflux times

    Koehler LKV5000 series kinematic viscosity baths with optical flow detection system provides automatic viscosity measurements of petroleum and petrochemical products. Includes communication and power ports for each optical detection assembly, and can utilize up to four optical assemblies. Optical sensors and viscometer tubes to be ordered separately. The bath improvements in operating features, safety and cabinetry. Advanced temperature control circuitry includes microprocessor PID design and two decimal calibration offset. Simple pushbutton controls and dual digital displays permit easy setting and monitoring of bath temperature. Bath accommodates four glass capillary viscometers using 2" (51mm) round holders (rectangular ports are available on special order). Bath medium is contained in a clear, evacuated Dewar flask, and glare-free fluorescent backlighting provides excellent visibility when working with the viscometers. 

     

    The LKV5000 operates at temperatures from ambient to -30 °C (-22 °F) or ambient to -70 °C (-94 °C), model dependent, exceeding ASTM temperature control accuracy and uniformity requirements throughout the operating range. Air-cooled hermetic compressors provide efficient operation with the use of CFC-free refrigerants. 


    Insulated steel cabinet has an attractive polyester-epoxy finish and is mounted on adjustable leveling feet. Chemical resistant working (top) surface has four round ports for 2" (51mm) viscometer holders and one port for a thermometer holder. Front viewing window provides clear, distortion-free visibility. Microprocessor controller incorporates circuitry that interrupts power to the heater in the event of an overtemperature condition or disconnection of the primary probe. A redundant adjustable controller and sensor probe provide added overtemperature protection, and an integrated low liquid level sensor cuts power to the heaters if the bath liquid is not filled to the proper level or falls below during operation. Both overtemperature and low liquid level circuits will latch and prevent further operation of the bath until the fault is removed.

    Conforms to the specifications of: 

    ASTM D445, D2170, D6074, D6158; IP 71, 319; ISO 3104; DIN 51550; FTM 791-305; NF T 60-100

    Testing Capacity: Four (4) glass capillary viscometers

    Viscometer Ports: Four (4) round 2" (51 mm) ports

    Bath Dimensions: 9 ½" dia. x 12" depth (24 cm dia. x 30 cm)

    Bath Capacity: 3.7 gal (14 L)

    Temperature Range: 

     

  • K22753-OS: 15 °C to -30 °C (59 °F to -22 °F)
  • K22754-OS: 15 °C to -30 °C (59 °F to -22 °F)
  • K22751-OS: 15 °C to -70 °C (59 °F to -94 °F)
  • Temperature Control Display: 0.1 °C / 0.1 °F resolution, calibrate to 0.01 °C / 0.01 °F

    Control accuracy and uniformity: Exceeds ASTM requirements throughout the operating range

    lxwxh,in.(cm): 42 x 35 x 36 (107x89x91)

    Net Weight: 

    K22751-OS: 278 lbs (126.1 kg)
    K22752-OS: 278 lbs (126.1 kg)
    K22753-OS: 176 lbs (79.83 kg)
    K22754-OS: 176 lbs (79.83 kg)

    Shipping Weight: 

    K22751-OS: 442 lbs (200.5 kg)
    K22752-OS: 470 lbs (213.2 kg)
    K22753-OS: 387 lbs (175.6 kg)
    K22754-OS: 410 lbs (185.9 kg)

    Dimensions: 41x35x38 in. (114.14x88.9x96.52 cm) 

  • K23780-SFW-A LKV5000 Kinematic Viscosity Software Package                                    
  • K23780-CF Optical Sensor for Cannon®-Fenske Viscometer Tubes
  • 378-025-C01-OS thru 378-700-C01-OS Cannon®-Fenske Viscometer Tubes, Size 25 thru 700
  • K23780-RF Optical Sensor for Cannon®-Fenske Opaque Reverse Flow Viscometer Tubes
  • 378-025-C02-OS thru 378-700-C02-OS Cannon®-Fenske Opaque Reverse Flow Viscometer Tubes, Size 25 thru 700
  • K23780-UB Optical Sensor for Ubbelohde Viscometer Tubes
  • 378-000-C03-OS thru 378-005-C03-OS Ubbelohde Viscometer Tubes, Size 0 thru 5
  • K22090 Withdrawal Bulb
  • K23311 Rubber Stopper for Viscometer Tube, pk/12
  • 355-001-001 White Mineral Oil, 1 Gallon 
  • 355-001-003 White Mineral Oil, 5 Gallon 
  • 250-000-120C ASTM 120C Thermometer, 40 °C Test Temperature 
  • 250-000-121C ASTM 121C Thermometer, 100 °C Test Temperature
  •  
  • K22752-OS: 15 °C to -70 °C (59 °F to -94 °F)

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