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Koehler™ Instrument KV3000 and KV4000 Constant-Temperature Viscosity Baths

Simple push-button operation

Manufacturer:  Koehler™ Instrument K23700

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Catalog No. 22-172-590

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Kinematic viscosity is of primary importance in the design and selection of a wide range of petroleum products.

  • Constant temperature bath series with advanced temperature control circuitry and integrated timing features for convenient, accurate glass capillary viscometry determinations
  • Reliable temperature, simple push-button controls, and accommodation of up to seven capillary viscometers
  • Connection of the built-in cooling coil to tap water or a recirculating water chiller facilitates temperature control at ambient or below ambient temperatures
Integrated Timing
  • Model KV3000: Seven individual start/stop timers with displays Model KV4000: Integrated LCD microcomputer with start/stop buttons and retention of viscometer tube constants, automatic calculation and display in viscosity units or seconds; temperature control between ambient and 150°C (302°F), and down to 10°C (50°F); 12 or 18 in. bath depth
  • Electrical Reqts: 115V 50/60Hz, single phase 12.6A
  • Shipping Weight: 101 lb. (45.9kg) Dimensions: 29L x 25W x 34 in.H (73.7 x 63.5 x 86.4cm)


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



12.6 A
30.5 cm
115 V 50/60 Hz
34 in.
29 in.
45.9 kg
25 in.
Ambient to 150°C
ASTM D445, D2170, D6074, D6158, IP 71, 319, ISO 3104, DIN 51550, FTM 791-305, NF T 60-100
12 in.
29 x 25 x 34 in. (73.7 x 63.5 x 86.4 cm)
50/60 Hz
86.4 cm
73.7 cm
101 lb.
115 V
63.5 cm
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