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6054/6055 Deep-Well Baths

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Extra-deep wells for thermometry work requiring extra tank depth and ultimate stability

Constant liquid levels through concentric-tube design
Special design for sighting LIG thermometers
Depth up to 60 cm (24 in)
Optional interface packages control all settings

The models 6054, 6055 and 7007 have extra-deep wells for use with liquid-in-glass thermometers, SPRT calibrations, or other thermometry work requiring extra tank depth. They were originally designed for NIST.

Well depths vary from 17 to 24 inches to eliminate stem conduction effects in probes that require more than 12 inches of immersion. Originally developed for a national standards lab, these baths are optimized for the visual calibration of liquid-in-glass thermometers.

The 7007 is designed for the temperature range of –5 °C to 110 °C, has built-in refrigeration, is 24 inches deep, and comes with a removable polycarbonate cover.

The 6054 covers the temperature range of 50 °C to 300 °C, is also 24 inches deep, and comes with a removable stainless steel cover.

The 6055 is engineered for the temperature range of 200 °C to 550 °C with salt and is 17 inches deep. Specific size differences and various specifications are shown in the comparison table.

The Model 6055, operating up to 550 °C, uses molten salts with a pumping system for maintaining the necessary consistent fluid level required for liquid-in-glass thermometer calibrations. A viewing channel is built into the top cover for a clear visual path to your glass thermometers.

The 6055 also has an optional thermometer carousel for holding several glass thermometers in the correct calibration position without exposing them to the hot salts in the bath. The Model 2018 Carousel is completely constructed of stainless steel and has an elevated handle for rotating your thermometers to the viewing position.

These deep-well baths are built to the same performance standards as all Fluke Calibration baths, which means you can’t find another bath that has better stability or uniformity.

	7007	6054	6055
Range	–5 °C to 110 °C	50 °C to 300 °C	200 °C to 550 °C
Temperature Stability	± 0.001 °C at 0 °C (water/ethanol) ± 0.001 °C at 25 °C (water) ± 0.003 °C at 100 °C (oil 5012)	± 0.003 °C at 100 °C (oil 5012) ± 0.005 °C at 300 °C (oil 5017)	± 0.003 °C at 200 °C (salt) ± 0.01 °C at 550 °C (salt)
Temperature Uniformity	± 0.004 °C at 0 °C (ethanol) ± 0.007 °C at 100 °C (oil 5012)	± 0.007 °C at 100 °C (oil 5012) ± 0.015 °C at 300 °C (oil 5017)	± 0.005 °C at 200 °C (salt) ± 0.010 °C at 550 °C (salt)
Temperature Setting	Digital display with push-button data entry
Set-Point Resolution	0.002 °C, high res. 0.00003 °C	0.01 °C, high res. 0.00018 °C
Display Temperature Resolution	0.01 °C
Digital Setting Accuracy	± 1 °C
Digital Setting Repeatability	± 0.005 °C	± 0.01 °C
Heaters	250 to 1000 W	250 to 1000 W	260 to 2080 W
Working Area	178 mm dia. (7 in)	196 mm dia. (7.7 in)	107 mm dia. (4.2 in)
Depth	24 in	24 in	24 in
Wetted Parts	304 stainless steel
Power	230 V ac (± 10 %), 50 or 60 Hz, 15 A (Specify frequency, contact Fluke Calibration if CE mark required.)	230 V ac (± 10 %), 50/60 Hz, 15 A max	230 V ac (± 10 %), 50/60 Hz, 15 A
Volume	42 liters (11.2 gal)	50 liters (13.2 gal)	19.8 liters (5.2 gal, 43 kg [95 lb] of bath salt)
Size (D x W x H)	470 x 775 x 194 mm to working surface (18.5 x 30.5 x 47 in), 1397 mm (55 in) to top of stir motor, 914 mm (36 in) to control panel	572 x 762 x 1219 mm to working surface (22.5 x 30 x 48 in), 1422 mm (56 in) to top of stir motor box, 914 mm (36 in) to control panel	572 x 775 x 1219 mm to working surface (22.5 x 30.5 x 48 in), 1524 mm (60 in) to top of stir motor box, 914 mm (36 in) to control panel
Distance from Line of Sight to Top of Fluid	9.5 mm (3/8 in)	15.9 mm (5/8 in)
Automation	Use the 1586A Super-DAQ to automate temperature sensor calibration. For IEEE-488, add the 2001-IEEE to the automation package.
Weight	70.8 kg (156 lb)