Stirred Thermostatic Baths & Heating Circulators

• Robust plastic construction, double-walled for rigidity, easy to clean
• Easy-to-use rotor plus two keys provide easy access to interactive user interface for fast and accurate set-up 
• Operating setpoint plus 3 adjustable preset temperatures for convenience
• User calibration facility
• Visual alarm - alerts you when your attention is required
• Convenient recessed handholds for carrying/ repositioning the unit
• Optional removable lid to minimise evaporation of fluid and avoid contamination of samples
• Wide range of optional accessories for different applications
• Float switch - monitors water level and protects from drying out
• Choice of 230V and 115 V models

• Robust construction, corrosion resistant materials, stainless steel tank – durable in demanding environments
• Simple-to-use rotor plus two keys provide access to the interactive interface for fast, accurate set-up
• Clear digital display – easy to read from a distance for instant reassurance
• Operating setpoint plus 3 adjustable preset temperatures for convenience
• User calibration facility for optimum accuracy at the required operating temperature
• Visual alarm - alerts you when your attention is required
• Convenient recessed handholds for carrying/ repositioning the unit
• Convenient dual-position bridge plate for the thermostat: - ensures visibility/accessibility of the thermostat whilst helping you optimise bench space
• Comprehensive range of options and accessories for a very wide range of applications
• Choice of 230V and 115 V models

• Robust construction, corrosion resistant materials, stainless steel tank – durable in demanding environments
• Simple-to-use rotor plus two keys provide access to the interactive interface for fast, accurate set-up
• Operating setpoint plus 3 adjustable preset temperatures for convenience
• Clear digital display – easy to read from a distance for instant reassurance
• Powerful integral pump – allows temperature-controlled fluid to be circulated to external devices
• Audible and visual alarms - alert you when your attention is required
• Convenient timer function for reaction timing
• User calibration facility for optimum accuracy at the required operating temperature
• Optional removable hinged gabled lid with insulated handle - minimises evaporation of fluid and avoids contamination of samples
• Dual-position bridge plate for the control unit: - ensures visibility/accessibility of the thermostat whilst helping you optimise bench space
• Convenient recessed handholds for carrying/ repositioning the unit
• Choice of 230V and 115 V models

• Fast and intuitive menu-driven programming through powerful front-panel interface
• Option of Labwise™ PC software for program set-up, data-logging and real-time graphing
• High power integral pump with multi-stage variable flow rate – programmable fluid circulation to external devices
• Memory capacity for 5 programs of 30 segments
• Convenient heater timer for early morning start-ups/late evening shut-downs
• Automatic adjustment of temperature range and heater power according to liquid type selected
• Two programmable relays for control of refrigeration on/off or other ancillary equipment
• High and low temperature alarm settings – can be configured to switch a relay
• High power heater for faster heat-up
• Socket for optional external probe – allows remote temperature control

The Grant Optima™ GD100 series of stirred water baths and circulators with digital control provides excellent value for money for straightforward applications requiring accurate temperature control up to a maximum of 100ºC.

Grant GD100 series systems offer a choice three economy plastic (P) tanks or five stainless steel (S) tanks with different capacities combined with the Grant Optima™ GD100 digital thermostat for accurate temperature control.

• Simple-to-use rotor plus two keys provide access to the interactive interface for fast, accurate set-up
• Clear digital display for instant reassurance - easy to read from a distance
• Visual alarm - alerts you when your attention is required
• Operating setpoint plus 3 adjustable preset temperatures for convenience
• User calibration facility for optimum accuracy at the required operating temperature
• Low liquid protection by float switch
• Cooling/heating range: ambient +5 to 99ºC with plastic (P) tank, or 0 to 100ºC with stainless steel (S) tank
• Stability ± 0.02ºC

The Grant Optima™ GD120 series of digitally controlled stirred water baths and circulators provides outstanding performance and value for money for more sophisticated applications requiring accurate temperature control up to a maximum of 120ºC.

Grant GD120 series systems combine the versatile Grant Optima™ GD120 digital immersion thermostat with a choice of three economy plastic (P) tanks or five stainless steel (S) tanks with different capacities.

The Grant GD120 immersion thermostat incorporates Intelligent Control Optimisation™ (ICO) for adaptive intelligent PID temperature control and includes a powerful integral pump, making GD120 systems suitable both for immersing samples and circulating temperature controlled fluid to external devices. It includes a convenient timer function for reaction timing and a variable high temperature alarm setting. The temperature range and heater power are automatically limited according to the liquid type selected.

• Simple-to-use rotor plus two keys provide access to the interactive interface for fast, accurate set-up
• Clear digital display for instant reassurance - easy to read from a distance
• Visual and audible alarms alert you when your attention is required
• User calibration facility for optimum accuracy at the required operating temperature
• Integral pump - max. flow rate 17L/min
• Low liquid protection by float switch
• User adjustable overtemperature cut-out protects your samples and your workplace
• Maximum cooling/heating range (dependent on tank size): ambient +5 to 99ºC with plastic (P) tank, or -15 to 120ºC with stainless steel (S) tank
• Stability ± 0.02ºC

The Grant Optima™ GR150 series of digitally controlled stirred water baths and circulators provides outstanding performance for routine and sophisticated applications requiring accurate temperature control up to a maximum of 150ºC.

Grant GR150 series systems combine the powerful and versatile Grant Optima™ GR150 digital immersion thermostat with a choice of three economy plastic (P) tanks or five stainless steel (S) tanks with different capacities.

The Grant GR150 immersion thermostat incorporates Intelligent Control Optimisation™ (ICO) for adaptive intelligent PID temperature control and includes a powerful integral pump, making GR150 systems suitable both for immersing samples and circulating temperature controlled fluid to external devices. The temperature range and heater power are automatically limited according to the liquid type selected.

The GR150 control unit has a host of powerful and convenient programming features for optimum application flexibility. These include a convenient heater timer for early starts/late shutdowns, a programmable relay for switching external devices on/off, option for remote temperature monitoring, RS232 interface for PC communication and data collection, and memory capacity for one program of up to 30 segments.

• Dual display: bright LED for temperature display plus 2-line 16 character LCD for easy programming
• Twin heaters, 2kW heater power for fast heat up
• Pt1000 external probe socket for remote monitoring
• Choice of 5 operator languages
• Maximum cooling/heating range (dependent on tank size): ambient +5 to 99ºC with plastic (P) tank, or -15 to 150ºC with stainless steel (S) tank
• Stability ± 0.005ºC

The Grant Optima™ GP200 series of digitally controlled stirred water baths and circulators provides outstanding performance for routine and sophisticated applications requiring accurate temperature control up to a maximum of 200ºC.

Grant GP200 series systems combine the powerful and versatile Grant Optima™ GP200 digital immersion thermostat with a choice of three economy plastic (P) tanks or five stainless steel (S) tanks with different capacities.

The Grant GP200 immersion thermostat incorporates Intelligent Control Optimisation™ (ICO) for adaptive intelligent PID temperature control and includes a powerful integral pump, making GP200 systems suitable both for immersing samples and circulating temperature controlled fluid to external devices. The temperature range and heater power are automatically limited according to the liquid type selected.

The GP200 control unit has a host of powerful and convenient programming features for optimum application flexibility. These include a convenient heater timer for early starts/late shutdowns, two programmable relays for switching external devices on/off, option for remote temperature monitoring, RS232 interface for PC communication and data collection, and memory capacity for five programs of up to 30 segments each.

• Dual display: bright LED for temperature display plus 2-line 16 character LCD for easy programming
• Twin heaters, 2kW heater power for fast heat up
• Pt1000 external probe socket for remote monitoring
• Powerful integral pump with multi-stage variable flow rate, maximum flow 21L/min
• Variable high and low temperature alarm settings - configurable to switch relays
• Maximum cooling/heating range (dependent on tank size): ambient +5 to 99ºC with plastic (P) tank, or -15 to 200ºC with stainless steel (S) tank
• Stability ± 0.005ºC