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Koehler K34715 BVS5000 Programmable Brookfield Viscosity Liquid Bath System
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Update Terakhir
31 Okt 2019
Negara Asal
United States
Pembelian Min
1 unit

Spesifikasi Koehler K34715 BVS5000 Programmable Brookfield Viscosity Liquid Bath System

Test Method 

Determines the low temperature, low shear rate viscosities of gear oils, automatic transmission fluids, hydraulic oils and other lubricants by use of a rotational viscometer.


Conforms to the specifications of: 

ASTM D2983 - Note 2 and Note 10; IP 267 Method B; ISO 9262; CEC-L-18A-30

Testing Capacity: 10 samples

Temperature Range: + 10 °C to -55 °C 

Temperature Control Stability: Microprocessor PID digital-indicating programmable controller with ± 0.05 °C steady state stability


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.


  • 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

Electrical Requirements

220-240V 50Hz, Single Phase 12.6A

220-240V 60Hz, Single Phase, 12.6A

Additional Accessories

  • K34750 Digital Series L Rotational Viscometer 115V, 60Hz 
  • K34751 Digital Series L Rotational Viscometer 230V, 50Hz
  • K34752 Digital Series L Rotational Viscometer 230V, 60Hz
  • K34760 Programmable Series L Rotational Viscometer 115V, 60Hz 
  • K34761 Programmable Series L Rotational Viscometer 230V, 50Hz
  • K34762 Programmable Series L Rotational Viscometer 230V, 60Hz
  • K34700-SFW-A Viscosity Programmable Temperature Profile Software 
  • K34706 Insulated Spindle No.4B2 (Requires K2983-2) 
  • K2983-2 Cell Stopper (For K34706) 
  • K34709 Test Cell - Round Bottom (pack of 12) 
  • K34770 Test Cell - Flat Bottom (pack of 12) 
  • K34779 Spindle Support Clips (pack of 12) 
  • K34705 Test Cell Cover 
  • 250-000-122C ASTM 122C Thermometer (IP 94C) 
  • 250-000-123C ASTM 123C Thermometer (IP 95C) 
  • 250-000-124C ASTM 124C Thermometer (IP 96C) 
  • 250-000-125C ASTM 125C Thermometer (IP 97C) 
  • 355-005-027 Viscosity Standard N27B 
  • 355-005-115 Viscosity Standard N115B 

Alat Laboratorium Umum

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