Synthesize, optimize, and characterize products and processes—right on time. The OptiMax thermostat available from METTLER TOLEDO enables users to simplify their syntheses.

Speed Up the Workflow

OptiMax simplifies organic chemistry by avoiding the need for dangerous and cumbersome handling of ice and oil baths.

Reproducible and Precise Synthesis

A strong solid-state thermostat offers the essential cooling and heating power to regulate the temperature of users’ synthesis precisely and accurately.

Controlled by the Tip of the Finger

An intuitive touch screen enables users to alter reaction parameters in a few seconds and to record all relevant parameters.



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Temperature Range -40 °C – 180 °C
Operating Volume 50 mL – 1,000 mL
Temperature Modes Jacket control, reaction mixture control, distillation control, crystallization control
Material Powder-coated stainless steel with FEP coated cover plate
Dimensions (WxDxH) 38.8 cm x 41.4 cm x 78 cm
Back / Front light Yes/Yes
Weight 35 kg
Power Requirements 100 – 240 VAC, 50/60 Hz
Heating / Cooling Solid State Thermostat
Material Number(s) 51162701


Precision Heating and Cooling

OptiMax avoids the need for cumbersome ice baths, oil baths, and bulky cryostats. The solid-state cooling technology and the electrical heating guarantee accurate temperature control from −40 °C to −180 °C, without using a cryostat.

One-Touch Control

OptiMax experiments are regulated using an intuitive touchscreen. By simply touching the button, experimental parameters can be quickly tuned, and a series of successive tasks can be programmed and left to run safely unsupervised.

Unlimited Flexibility

It is possible to choose the experimental configuration from an extensive variety of accessories and reactors, to be appropriate to the type of research. Configuration changes can be made quick and supported by auto-recognition of devices and probes.

Reliable Information and Data Management

All events and process data are securely stored and automatically recorded. Since there is no loss of data, experiments are reproducible and traceable. The data can be assessed in Excel® or iControl for interpretation or further processing.

Reaction Calorimeter Option

Calorimetric data can be generated under both non-isothermal and isothermal conditions through the optional reaction calorimeter upgrade.

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