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Water baths and circulators, plastic, Optima™ range

Supplier: Grant
The Grant Optima™ range consists of either general purpose or advanced performance thermostats combined with double walled plastic baths. Baths are easy to clean and available in three sizes - 5, 12 and 18 litres. They offer a cost effective solution for applications requiring accurate temperature control. Can be used up to 99 °C.

General purpose thermostats: T100 and TC120

Digital microprocessor controlled T100 and TC120 thermostats feature an easy to use rotary dial and two function keys for quick temperature setting and menu navigation. Units feature a bright, easy to view 4-digit display, three programmable temperature presets, low liquid protection, fixed over-temperature cut-out, visual alarm, countdown timer and user calibration facility for optimal accuracy.

  • T100 temperature range: Ambient +5 to 100 °C. Settable range 0 to 100 °C (operation below ambient requires cooling accessory)
  • TC120 temperature range: Ambient +5 to 120 °C. Settable range −20 to 120 °C (operation below ambient requires cooling accessory)
  • Stirred circulation within the tank ensures excellent temperature stability and uniformity
  • Stability ±0,05 °C at 70 °C
  • TC120 has an audible and visual alarm and adjustable over-temperature cut-out

Advanced thermostats: TX150 and TXF200

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 an RS232 and USB interface and can be programmed via remote PC or laptop using Grant’s versatile Labwise™ software (optional). Additional features include countdown timer, adjustable over-temperature cut-out, visual, audible and programmable high and low temperature alarms. The TX150 has the capacity to store 1 program with 30 segments. The TXF200 can also be programmed via the user interface and can store up to 10 programs 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 cooling accessory)
  • TXF200 temperature range: Ambient +5 to 200 °C. Settable range −50 to 200 °C (operation below ambient requires cooling accessory)
  • Stability ±0,01 °C at 70 °C
  • External PT1000 temperature probe socket
  • Offset adjustment for isothermal performance
  • 5-point user calibration of internal and external probes (two fixed points and three user defined)

Maximum pump capacities:
TC120 16 l/min, 210 mbar
TX150 18 l/min, 310 mbar
TXF200 22 l/min, 530 mbar variable speed



Expand All / Collapse All

General purpose models
Type Temp. range Temp. stability Heating capacity Capacity Bath W×D×H W×D×H Pk VWR Catalog Number Quantity
T100-P18 RT* +5...99 °C ±0,05 °C 1,3 kW 18 l 280x325x140 mm 600×350×380 mm 1 461-0643
TC120-P5 RT* +15...99 °C ±0,05 °C 1,3 kW 5 l 120×150×140 mm 390×200×380 mm 1 461-0653
TC120-P12 RT* +5...99 °C ±0,05 °C 1,3 kW 12 l 210×280×140 mm 415×350×380 mm 1 461-0649
TC120-P18 RT* +5...99 °C ±0,05 °C 1,3 kW 18 l 280x325x140 mm 600×350×380 mm 1 461-0651

Advanced models
Type Temp. range Temp. stability Heating capacity Capacity Bath W×D×H W×D×H Pk VWR Catalog Number Quantity
TX150-P5 RT* +15...99 °C ±0,01 °C 1,9 kW 5 l 120×150×140 mm 390×200×380 mm 1 461-0661
TX150-P12 RT* +5...99 °C ±0,01 °C 1,9 kW 12 l 210×280×140 mm 415×350×380 mm 1 461-0657
TX150-P18 RT* +5...99 °C ±0,01 °C 1,9 kW 18 l 280×325×140 mm 600×350×380 mm 1 461-0659
TXF200-P5 RT* +15...99 °C ±0,01 °C 1,9 kW 5 l 120×150×140 mm 390×200×380 mm 1 461-0669
TXF200-P12 RT* +5...99 °C ±0,01 °C 1,9 kW 12 l 210×280×140 mm 415×350×380 mm 1 461-0665
TXF200-P18 RT* +5...99 °C ±0,01 °C 1,9 kW 18 l 280×325×140 mm 600×350×380 mm 1 461-0667

Description Pk For VWR Catalog Number Quantity
Flat plastic lid, without hinges 1 P12 bath 462-8128
Flat plastic lid, without hinges 1 P18 bath 462-8129
Flat stainless steel lid, without hinges 1 P5 bath 462-8130
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Terms & Conditions

These terms and conditions cover all sales of products and services by VWR Lab Products Private Limited(VWR) in India and any information and advice given whether charged for or not. No variation in these terms and conditions will apply unless agreed by VWR in writing. Orders are accepted only on the condition that no conditions of purchase shall apply. 


VWR has the right to change the prices shown in catalogues and price lists at any time and to invoice at prices current at the date of receipt of an order.

‘Price on application’ (POA) quotations and all other quotations will be valid for 30 days (provided there is no change in Custom Tariff) from the date of the quotation, unless otherwise notified by VWR.

All prices in catalogues and quotations are exclusive of Value Added Tax and any other taxes or duties. These will be charged separately, if applicable. VWR reserve the right to apply a freight charge on all deliveries. 


Unless otherwise agreed in writing payment terms are full in Advance. VWR has the right to charge interest on all overdue sums at the rate of twenty four percent per annum .

  • Any claims for shortages must be made within 7 days of a delivery.  
  • Any claims for non-ordered items or non delivery must be made within 7 days of receiving the invoice. 
Return of Damaged or Unsuitable Goods

No goods may be returned to VWR without the authorisation of VWR.

Authorisation to return products damaged during delivery must be requested within 3 days of delivery. VWR has the right to repair and return damaged products.

Authorisation for the return of products which fail to meet current published manufacturers specifications must be requested in writing within 28 days of delivery. VWR will assist customers, at customers’ expense, to obtain any manufacturer’s warranty consistent with that granted to VWR.

Authorisation for the return of products, other than those damaged during delivery, delivered in error or those that do not meet specification, must be requested within 10 days of delivery. Credit (less a handling charge of 15% of the invoice value of all products returned subject to a minimum charge of INR 5,000) will be given for those products authorised for return which are unused and in re-saleable condition other than those in the categories shown:

  • open chemicals or diagnostics
  • refrigerated or other perishables
  • items with an expired shelf life or an expiration date too short for resale
  • any article that has been delivered direct by a third party supplier
  • discontinued items
  • items not purchased from VWR.

Authorisation will be subject to the condition that the products are returned to VWR Customer Service Centre or to the manufacturer or other source notified by VWR, by registered post if permitted, (for which VWR will supply a label) , for which a handling charge will be made for each line.

Articles that have been delivered on our behalf by a third party supplier will not be accepted back at the VWR Customer Service Centre.

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Risk in products will pass at the time of delivery to the customer.

The customer is responsible for unloading and transporting large and/or heavy items from delivery vans.

In view of the hazards of certain chemicals and apparatus the customer must ensure that the products purchased are in a safe condition and that a safe system of work is in place taking into account all available information. None of the products sold are intended for human consumption unless otherwise clearly stated.

In view of the wide range of uses of chemicals and apparatus, the customer will be solely responsible for determining the suitability and specification of products, services, information and advice for its purposes. VWR has the right, without notice, to supply product of different specifications, sources, and pack size to that published or ordered. The customer is required to ensure that that the use of any products supplied by VWR do not infringe third party intellectual property rights.

In view of the above, liability of VWR for any loss or damage suffered by a customer and arising by reason of defects in the products or otherwise howsoever is limited to the invoice price of the products in respect of or in relation to which loss or damage is claimed. Any liability accepted by VWR under these terms and conditions is in lieu of any warranty or condition implied by law as to the quality or fitness for any particular purpose of the products and save as provided in these terms and conditions VWR will not be under any liability, whether in contract, tort, breach of statutory duty or otherwise in respect of defects in products delivered or for any injury (other than death or personal injury caused by VWR negligence as defined in any applicable act) damage or loss resulting from such defects or from any information, service or advice provided by VWR or its employees, contractors or agents. In no event shall VWR be liable for any consequential loss whether or not resulting from force majeure. The customer indemnifies VWR against any claims from its employees, contractors or agents.

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