Grant Instruments Optima TXF200 Heated Circulating Bath

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SKU Capacity (L) Temperature Range Weight (In Grams) Price (excluding VAT) Availability Qty To Purchase
Grant Instruments Optima TXF200 Heated Circulating Bath TXF200-ST5 5 ambient +15°C to 200°C 3200
3 + -
Grant Instruments Optima TXF200 Heated Circulating Bath TXF200-ST12 12 0°C* to 200°C 0
25 + -
Grant Instruments Optima TXF200 Heated Circulating Bath TXF200-ST18 18 0°C* to 200°C 0
12 + -
Grant Instruments Optima TXF200 Heated Circulating Bath TXF200-ST26 26 -15°C* to 200°C 0
9 + -
Grant Instruments Optima TXF200 Heated Circulating Bath TXF200-ST38 38 -15°C* to 200°C 0
2 + -

The Grant TXF200 series of digital heating circulating baths for sophisticated applications require complex programming and/or ultra-precise temperature control in the range of -15°C to 200°C. The TXF200 heating circulator can be used in combination with any Grant stainless steel or plastic tank or with a T-CLAMP for independent use of virtually any vertical-sided tank.

  • Cooling/heating range -15°C to 200°C
  • Stability ±0.01ºC / Uniformity  ±0.05ºC
  • Tank options 5L to 38L
  • Powerful integral pump for external fluid circulation
  • Large, bright full color display with a choice of 5 languages
  • 5-point user calibration
  • Low-liquid detection (float switch)
  • Memory capacity for 10 programs with 100 segments



  • Industrial labs – thermostat calibration, haze analysis (brewing), temperature probe calibration, and material testing
  • University research – temperature control of external equipment such as spectrophotometers and refractometers
  • Circulation of temperature control fluid to jacketed vessels



Dimensions (h x d x w) 342 x 172 x 141mm
Stability (DIN 12876) @70ºC 0.01±ºC
Uniformity (DIN 12876) @70ºC 0.05±ºC
Setting resolution 0.1ºC (0.01 with Labwise®)
Display Full colour QVGA TFT
Timer function 1 minutes to 99 hours 59 minutes
No. of temperature presets 3
Re-calibration points 5
Socket for external probe (TXPEP, TXSEP)
Communications interface USB, RS232
Programmable Direct via user interface or remote via PC/ laptop 10 programs/ 100 segments
Relays 1
Safety – over temperature Adjustable cut-out
Fluid level – float
Language options EN, FR, DE, IT, ES
Alarms (can be configured to switch a relay)High and low High and low
Heater power – 230V 1840W
Heater power – 120V 1445W
Electrical power – 230V 2000 (50-60Hz)
Electrical power – 120V 1500 (50-60Hz)
Height above tank rim 200mm
Depth below tank rim 145mm
Maximum pressure (water) 530mbar
Maximum flow (water) 22L/min (adjustable flow rate)
Pump connector 6mm bore Fits 9mm inner diameter tubing
Pump connector 11mm bore Fits 15mm inner diameter tubing
Weight 2.6kg
    • Weight (In Grams)
      3200 g
    • SKU
    • Commodity Codes
  • Manufacturer
    Grant Instruments (Cambridge) Ltd
  • Country of Origin
    United Kingdom
  • Capacity (L)
    5, 12, 18, 26, 38
  • Temperature Range
    ambient +15°C to 200°C, 0°C* to 200°C, -15°C* to 200°C