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	BATHS		WATER BATHS

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PRECISION COLIFORM WATER BATHS

The Precision Model 25 land 253 Coliform Baths are designed specifically for fecal coliform determination. Each bath is factory calibrated and can be field calibrated from the front panel without the use of tools. The preset temperature feature is standard on both coliform baths for ease of use. Both baths meet stringent performance requirements. The Model 251 comes with a seamless chamber and the Model 253 comes with a larger-welded chamber. Free stainless steel gable cover and diffuser shelf.

General Features
Factory pre-set temperatures for easy use, even by untrained operators
Microprocessor control with digital LED display
Water pump gently directs water flow around bath perimeter for non-turbulent agitation
Over-temperature protection capa­bility
Rugged stainless steel construction with easy to clean epoxy-powder coated exterior
Free stainless steel gable cover and diffuser shelf
Meets APHA, AWWA, EPA, WPCF, and AOAC high performance stan­dards
UL listed (120V)
CE marked (230V)

Performance Specifications

Models Small Coliform Bath 251 Large Coliform Bath 253 Chamber Capacity1 4.8 Gal/17.5 L 9.1 Gal/34.5 L Temperature Range 35°C - 45.5°C 35°C - 45.5°C Factory Preset Temperatures 35°C, 41.5°C, 44.5°C,45.5°C 35°C, 41.5°C, 44.5°C,45.5°C Temperature Uniformity ±0.05°C ±0.05°C Temperature Sensitivity ±0.05°C ±0.05°C Chamber Dimensions L x W x H in" 14 x 12 x 8 12 x 27 x 7.5 Diffuser Shelf Dimensions L x W x H in" 12 x 10 11 x 26.5 Exterior Dimensions L x W x H in" 18.5 x 15.5 x 9.5 14 x 36 x 9.5 Electrical Specs (50/60Hz) 120V 600 Watts 5.0 Amps 1550 Watts 12.9 Amps Electrical Specs (50/60Hz) 230V 600 Watts 2.6 Amps 1550 Watts 6.75 Amps BTU Output 2049 5294 Shipping Weight lbs. 35 60 Catalog No. 120V (UL listed) 51221031 51221033 Catalog No. 230V2 (CE Marked) 51221032 51221034

¹Bath chamber capacity measured with bath filled to 1 inch (25 mm) from top.
²50/60 Hz (Includes European style 50 Hz power cord available separately . Part No. 34400001)

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