KOEHLER BVS5000 Low Temperature Viscosity by Rotational Viscometer System

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BVS5000 Programmable Brookfield Viscosity
Liquid Bath System

• Sample soaking and testing in a single bath, eliminating the need for an
air bath and the risk of sample temperature rise during transfer
• Redesigned for improved control of sample movement and handling
during testing
• Microprocessor PID temperature control duplicates the sample cooling
rates in ASTM D2983
• Up to 40 cooling/ testing temperature profiles can be stored in memory
Redesigned programmable baths with improved features for sample handling and testing. Bath accommodates 10 samples for Dynamic Viscosity testing. Sample cells are immersed in a liquid bath for the entire soaking and testing period, eliminating the need to transfer cells from an air bath to a liquid bath with insulated balsa wood carriers. Also eliminated is the inherent risk of
sample temperature rise during transfer. The programmable microprocessor PID controller stores up to 40 temperature profiles that duplicate the sample cooling rates found in ASTM D2983. Steady state temperature accuracy and uniformity exceed ASTM requirements throughout the operating range from ambient to -55° C. Air-cooled hermetic compressors provide efficient operation with the use of CFC-free refrigerants.
The mounting position for the Rotational Viscometer has been changed to
permit easier access to the samples and viscometer controls. Cabinet has a front window and glare-free fluorescent lighting for distortion free viewing of the sample cells. Cabinet construction is polyester-epoxy finished steel with a chemical-resistant composite top surface. A removable insulated cover with handle is included. Bath rests on adjustable leveling feet. Safety features include a probe fault detection circuit in the primary temperature controller and a redundant latching controller and probe for temperature fault protection.

Click on the image to view a larger photo of the instrument.

Specifications
Conforms to the specifications of:
ASTM D2983 - Note 2 and Note 10; IP 267; CEC L18A-30; ISO 9262
Sample capacity: 10 samples
Temperature control: Microprocessor PID digital-indicating programmable
controller with ± 0.05° C steady state stability
Operating Range: ambient to – 55° C
Electrical Requirements:
220-240V 50 or 60Hz, Single Phase, 12.6A

Dimensions lxwxh, in.( cm)
41x34x38 ( 104x86.5x96.5)
Net Weight: 327 lbs ( 148.5kg)

Shipping Information
Shipping Weight: 497 lbs ( 226kg)
Dimensions: 41.5 Cu. ft.
Ordering Information

Catalog
Number
Product Description
K34715
BVS5000 Programmable Brookfield Viscosity
Liquid Bath System, 220-240V 50Hz
K34716

BVS5000 Programmable Brookfield Viscosity
Liquid Bath System, 220-240V 60Hz
Accessories

Catalog
Number
Product Description
K447-BL
Rotational Viscometer, Bold Series L
100-240V 50/ 60Hz
K447-PL
Rotational Viscometer, Power Series L
100-240V 50/ 60Hz
K34706
Insulated Spindle No.4B2
K447-SP-L4
L4 Spindle
K2983-2
Cell Stopper ( For K34706 Only)
K34707
Cell Stopper
K34779
Spindle Support Clips
K34708
Insulated Cell Carrier ( for Air Bath)
K34709
Test Cell - Round Bottom ( pack of 12)
K34770
Test Cell - Flat Bottom ( pack of 12)
250-000-122C
ASTM 122C/ IP94C Thermometer
Range – 45 to – 35° C
250-000-123C
ASTM 123C/ IP95C Thermometer
Range – 35 to – 25° C
250-000-124C
ASTM 124C/ IP96C Thermometer
Range – 25 to – 15° C
250-000-125C
ASTM 125C/ IP97C Thermometer
Range – 15 to – 5° C
355-005-027
Viscosity Standard N27B
Viscosities in centipoise at – 40, – 30, – 20, – 15, – 10, 0° F
355-005-115

Viscosity Standard N115B
Viscosity in centipoise at – 20, – 15, – 10, 0, + 10, 20° F

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