Optimax 1001 HFCal | METTLER TOLEDO

OptiMax Starter Kit and HFCal

Detect Non-Scalable Conditions.The OptiMax 1001 HFCal - a reaction calorimeter for fast and efficient safety studies for process characterization and scale-up.

Uncover Scale-up and Safety Issues

OptiMax™ HFCal reproducibly delivers information for characterizing and scaling up processes to ensure they are safe at scale.

Understand Your Process Parameters

Heat data obtained under both isothermal and non-isothermal conditions enables the characterization of process parameters under process-like conditions.

Simple and Accurate Calorimetry

The Plug & Play calorimetry module enables determination of heat information accurately and precisely.

Material No.: 511628301

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Specifications - OptiMax Starter Kit and HFCal
35 kg
Operating Volume
60 mL – 1,000 mL
Dimensions (HxWxD)
78 cm x 39 cm x 42 cm
Temperature Range
-40 °C – 180 °C
Back / Front light
Precision Heat Transfer
Typically +/- 3%
Accuracy and Precision Specific Heat
Typically +/-10%
Accuracy Heat Flow
Isothermal conditions: ± 3 % to 5 %
Based on comparison of qr_hf with qc resp. ∫qr_hf with ∫ qc
Non-isothermal conditions: ± 5 % to 10%
Calorimetry Type
Heat Flow
OptiMax Starter Kit (51162830) and Upgrade Kit OptiMax HFCal (30050150)
Temperature Modes
Jacket control, reaction mixture control, distillation control, crystallization control
Heating / Cooling
Solid State Thermostat
Power Requirements
100 – 240 VAC, 50/60Hz
Material Number(s)

Faster Process Development

Characterize reaction parameters and collect heat information at the same time. The combination of heat information with real-time analytical data provides researchers with the relevant information for safe scale-up processes.

Precise Heating and Cooling

Powerful heating and rapid cooling combined with the unique control algorithm ensure that the temperature is maintained accurately and precisely between -40°C and 180°C, even if sudden exothermic reactions occur.

Accurate Data Analysis

With a single click, the iControl software automatically calculates and reports heat transfer data, the specific heat of the reaction mass, heat flow and reaction enthalpies.


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Installation Instructions


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Extended Product Information



Cooling Performance0°C   35 W 
20°C 65 W
40°C   95 W
Temperature Range-40°C to 180°C (jacket temperature)
Control Modesisothermal and isoperibolic, constant or ramp, reflux, distillation & crystallization
Stirring30 rpm to 1200 rpm
DimensionsThermostat: 388 mm x 414 mm x 539 mm
Power Supply100 V to 240 V AC, 50 Hz to 60 Hz, 1300 VA
OperationiControl software for calorimetric applications
Graphical touchscreen and/or iControl Software
TypeSingle piece or two piece (with bottom drain valve)
Volume1000 mL
Pressure50 mbar to 1 bar
MaterialDuran® glass
StirrerPitch-blade (glass, Alloy 22)
Anchor (glass, Alloy 22)
Half-moon (PTFE for single piece reactor)
TypeHeat Flow
Calibration HeaterMax. 20 W
Precision Heat TransferTypically ± 3%
Accuracy and Precision Specific HeatTypically ± 10%
Accuracy Heat FlowTypically ± 3% to 5%, under isothermal conditions
Typically ± 5% to 10%, under non-isothermal conditions
Sensitivity≤0.1 W measured as standard deviation of qr under steady state conditions.
Peak-to-peak noise is ≤ approximately 0.4 W.
HFCal Module 
Power and Data InterfaceDirect connection to CAN interface of standard OptiMax,
no additional power supply or PC connection required
Data LoggingVia iControl Software
Dimensions120 mm x 40 mm x 170 mm
SoftwareiControl 5.2 or higher required, HFCal license


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OptiMax Starter Kit and HFCal