Cole-Parmer manufactures a variety of water baths for different laboratory applications, including the Lab Companion reciprocal water bath shaker range. All of the Lab companion reciprocal water bath shakers provide speed and PID temperature control features at an economical price. 

All models feature advanced microprocessor control with built in calibration and can store as many as three temperatures for quick recall. The shaker mechanism has its own dedicated control key, allowing Lab Companion water baths to be used as constant temperature baths.

The models in the Lab Companion range includes:

The lab companion WZ-12054-00 and WZ-12054-05 17 Liter reciprocal water bath shaker features include:

• Temperature range from ambient +5°C to 100°C
• Temperature stability of ±0.1°C at 50°C
• Gentle start shaking minimizes shock to samples
• Digital timer for settings of 1 minute to 99 hours, 58 minutes and include delayed on/off 
• Dual LED displays for actual or set temperature/shaking speed
• Shaking carriage is removable for attaching racks without touching fluids
• Independent over temperature and low fluid level alarms
• Gable cover to minimize evaporation
• Splash-proof keypad
• Shaking speed 20-180 rpm
• haking stroke 30 mm

Other models include the WZ-12054-10 and WZ-12054-15 25 Liter Reciprocal Water Bath Shaker, WZ-12054-20 and WZ-12054-25 37, WZ-12054-30 and WZ-12054-35 55.