The Optima™ range of advanced thermostats can be combined with plastic baths (5L, 12L, 18L), premium stainless steel baths (5L, 12L, 18L, 26L, 38L) or refrigeration units (3 units available)

Additional features include countdown timer, adjustable over-temperature cut-out, visual, audible and programmable high and low temperature alarms and three temperature presets. The TX150 has the capacity to store one programme with 30 segments. The TXF200 can also be programmed via the user interface and can store up to 10 programmes containing 100 segments. The programming interface includes set target temperature with a choice of time to target temperature or temperature ramp speed and an additional programmable relay for on/off control of ancillary equipment or refrigeration units.

TX150 temperature range: Ambient +5 to 150 °C. Settable range −50 to +150 °C (operation below ambient requires accessory cooling). TXF200 temperature range: Ambient +5 to 200 °C. Settable range −50 to +200 °C (operation below ambient requires accessory cooling). Stability: ±0,01 °C at 70°C. External PT1000 temperature probe socket. Off-set adjustment for isothermal performance. Drain tap with all tanks greater than 12L.

The TX150 and TXF200 thermostats feature a full colour QVGA TFT screen displaying actual and set temperature and clear status icons. The QVGA TFT screen, in combination with the easy to use dial and function keys, allows rapid navigation through the intuitive menu system. Both units have RS232 and USB interfaces and can be programmed via remote PC or laptop using Grant’s versatile Labwise™ software (optional).