CMH Ltd Distributors of Testing Equipment and Labware Water Baths
 
 | SERVICE  -  FIRST AND LAST ||  FAX +44 (0) 1903 751188  |  PHONE +44 (0) 1903 751133 
Water Baths

 TEMPERATURE CONTROLLED BATHS

A choice of four temperature controllers with either analogue or digital temperature selector offer temperature management over the range of -40°C to +250°C with stability as good as +/- 0.005°C.

Each model has a rugged, splash proof case, with all submerged parts being made of either stainless steel or high temperature self-extinguishing plastic.

Powerful pressure circulating pumps with external circulation connectors are fitted as standard on all models. The TU-20C, however, has dual suction and pressure pumps. With a choice of four different temperature controllers and five stainless steel baths having a capacity of 8 to 48 litres, a range of 20 different systems are available to suit most laboratory and industrial applications.

Inlet and outlet pipes at the rear of the controller can be used for external circulation within the bath itself. The baths are also suitable for below ambient applications and can be used at sub-ambient temperatures with a cooling coil (optional on the TE-10A/D and TU-20D, standard on the TU-20C) or with Dip and Flow Coolers.





 UNHEATED BATHS

Designed for use with a clip on thermoregulator, these high quality baths include carrying handles, stoved enamel steel outer cases.Sizes 8-16 litre have seam free stainless steel inners. The 48 litre bath is of welded construction.

 Unheated Baths - Specifications

Specifications 8 Litre 12 Litre 18 Litre 26 Litre 48 Litre
Overall size(mm) 265 x 325 x 172 354 x 325 x 172 530 x 325 x 172 530 x 325 x 222 594 x 365 x 298
Top of bath to liquid level max depth (mm) 65 65 65 65 65
Internal dimensions
L x H x W (mm)
240 x 300 x 150 329 x 300 x 150 505 x 300 x 100 505 x 300 x 200 559 x 330 x 274
Working length to thermoregulator(mm) 115 205 380 380 430
Working depth max/min(mm) 130/100 130/100 130/100 180/150 255/224
Working capacity max/min (litres) 8.0/6.0 11.6/8.4 18.0/13.2 26.0/20.5 48.5/42.5

 Thermoregulators available for Baths

Model TE-10A TE-10D TU-20D TU-20C
Temp Range -20 to +95 -40 to +120 -40 to +200 -40 to +250
Temp Selection analogue digital digital digital
Temp Stability (water 40°C) +/- 0.01 +/- 0.01 +/- 0.005 +/- 0.005
PC Interface No No Yes: RS232 Yes: RS232

Thermosoft software has been designed for use with models TU-20D and TU-20C. This is a Windows based program that connects via RS 232 to a computer. Programs can be created, saved and recalled at any time as well as running in real time mode and will cover time, temperature and ramp rates

 DIP & FLOW COOLERS

Dip & Flow Coolers

These flow coolers work in conjunction with a thermoregulator or a circulating system. They continually extract heat from the bath fluid by means of the heat exchanger which is built into the unit.

 Dip & Flow Coolers - Specification ( At ambient of 20°C in a well insulated 8 litre bath)

Model FC-200 FC-500 RC-200 RU-500
Minium achievable temperature (°C) -20 -35 -20 -35
Cooling capacity: 0°C 140 210 145 240
Cooling capacity: 20°C 140 210 145 240
Cooling capacity: -10°C 110 200 110 230
Internal capacity: (ml) 200 200 - -
Nominal dimensions (excluding handles etc)
Overall w x l x h
325x420x300 370x430x325 235x420x300 370x430x325
Coil dimensions
length (mm)
diameter (mm)

-
-

-
-

85
75

85
75
Hose length to coil (mm) - - 1250 1250

 STIRRED WATER BATH

Stirred Water BathsThis low cost water bath is ideal for checking the calibration of a wide range of instrumentation, including thermometers and data-loggers. The unit incorporates a built-in temperature controller with a LED display, heater and circulation pump. The stirred water bath will control the temperature of the water or oil over the range of ambient to +100°C. The seamless stainless steel tank gives a large open workspace with a capacity of 10 litres. Supplied with a stainless steel cover.


Model Stirred Water Bath
Temperature Range Ambient to +100°C (above +70°C use oil)
Resolution 0.1°C
Accuracy ±0.5°C
Heating Time Ambient to a stable +60°C takes 30 minutes
Power 230 volts AC (115 volts available)
External Dimensions 180 x 260 x 315mm
Internal Dimensions 150 x 235 x 295mm
Weight 7500 grams

 REFRIGERATED BATHS

Refrigerated Baths

SPECIFICATION - Refrigeration Units
Cooling (at 20°C ambient)

Model RB-5A RB-12A
Minimum achievable temperature (°C) -20 -35
Cooling capacity at 0°C (W) 145 240
Cooling capacity at 20°C (W) 145 240
Cooling capacity at -10°C (W) 110 230
Dimensions
Overall size L x W x H 430x260x566 430x370x610
Liquid surface to top of bath - max (mm) 65 65
Internal dimensions L x W x H 192x151x200 208x300x150
Working length to thermoregulator 192 224
Working depth - Max/Min (mm) 180/135 130/85
Working capacity - Max/Min (litres) 31 53
Shipping weight (kg) 7.0/5.5 11.6/9.6

These baths are a complete refrigerated circulating system for open or closed applications for temperatures ranges from –35 deg C to 100 deg C. Two bath capacities of 7 litres ( RB-5A) or 12 litres (RB-12A). Temperature control is by thermoregulator providing eight different combinations.


 GENERAL ACCESSORIES

LidsFlat and Gabled Lids
Manufactured of stainless steel and available to fit all sizes of constant temperature bath to help prevent evaporation losses. Gabled lids provide extra working headroom within the bath.

Adjustable Trays
Supported by a ball chain and clip the stainless steel trays can be used to alter the depth of the bath.

Polypropylene Spheres
A ball blanket is an effective way of reducing evaporation and loss of heat from a water bath acting as effectively as a lid, whilst providing instant access to the bath. Supplied in packs of 250 x 25 mm spheres.


Detailed information information on all of our product ranges can be found in our catalogue, available for download in the Products area.

CMH Ltd, Unit 3, Winston Business Centre, Chartwell Road, Lancing, West Sussex, UK|  FAX +44 (0) 1903 751188  |  PHONE +44 (0) 1903 751133