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HKV3000 High Temperature Kinematic Viscosity Bath with Integrated Digital Timing

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.

Category:

  • Microprocessor temperature control between ambient and 232 °C (450 °F)
  • Integrated digital timing for easy measurement of sample efflux times
  • Dual digital displays show setpoint and actual bath temperature
  • Selectable temperature scale – Fahrenheit or Celsius
  • Conforms to ASTM D445, D2170 and related specifications

Description

High temperature bath with advanced temperature control circuitry and integrated timing features for convenient, accurate glass capillary viscometry determinations. Microprocessor PID circuitry assures precise, reliable temperature control within ASTM specified tolerances throughout the operating range of the bath. Simple push-button controls and dual digital displays permit easy setting and monitoring of bath temperature. Two place calibration offset capability is provided. Bath accommodates seven glass capillary viscometers of various types.  Viewing the viscometers is made easy by glare-free LED illumination inside the bath and a baffle that provides a background for easy viewing. Temperature control uniformity is assured by means of motorized stirrer which provides complete circulation without turbulence. Connection of the built-in cooling coil to tap water or a recirculating water chiller facilitates temperature control at ambient or below ambient temperatures. Communications software (RS232, etc.) ramp-to-set, and other enhanced features are available at an additional cost.

Integrated Timing Features – KV3000 incorporates seven digital timers on the front control panel for convenient timing and monitoring of the efflux interval for each viscometer. Timing function is displayed in 0.1 second resolution and is accurate within 0.01%.

Bath Construction and Safety Features – Bath chamber is a clear borosilicate glass vessel enclosed in a polyester-epoxy finished steel housing. Top working surface has seven 2″ (51mm) viscometer ports. Front viewing window assures safe, distortion-free viewing. Microprocessor temperature controller incorporates safety circuitry that interrupts power to the heaters in the event of an overtemperature condition or disconnection of the primary probe. For added safety, an adjustable redundant controller with separate sensor probe interrupts power if an overtemperature situation occurs. An integrated low-liquid sensor prevents operation of the bath if the bath liquid is not filled to the proper level, and cuts off power should it fall below during operation. Both overtemperature and low liquid level circuits will latch and prevent further operation of the bath until the fault is removed.

Specifications

Conforms to the specifications of:

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

Temperature Control Range: Ambient to 150°C (302°F); sub-ambient to 10°C with external cooling

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

Timing: Integrated timing function within Touch Screen Control Panel  displayed to 0.1 seconds and accurate within 0.01%

Communication: RS232, RS485 port

Viscometer ports: Seven round 2″ (51mm) ports

Bath Medium: Water or suitable heat transfer fluid

Bath Capacity:

12″: 5.8 gal (22L)
18″: 8.9 gal (33.7L)

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