QB-13 - For 12 x dia. 13mm test tubes, 50mm hole depth for use with Grant QBD or QBH dry heaters

QB-17H - For 10 x Falcon tubes tall 17mm dia. test tubes, 75mm hole depth for use with Grant QBD or QBH dry heaters

Interchangeable block for 5 x √Éò 29mm tubes, flat bottom, depth 40mm for use with Grant CH3-153

QB-E0 - For 24 x 0.5ml microtube, 30mm hole depth, dia. 8mm for use with Grant QBD or QBH dry heaters

QB-H - For 56 x 0.2ml microtube, 14mm hole depth, dia. 6.5mm for use with Grant QBD or QBH dry heaters

QB-E1 - For 24 x 1.5ml microtube, 35mm hole depth, dia. 10.8mm for use with Grant QBD or QBH dry heaters

• Stability: ±0.1ºC
• Independently regulated heating and cooling blocks in the same unit
• Digital timer with sound alarm: 1 min to 99 h 59 min (increment 1 min)
• User-adjustable programmes (temperature and time): 16 (heating) + 16 (cooling)
• Digital temperature control for optimum precision
• Temperature Calibration Function
• Protective lid

• Temperature range ambient +5ºC to 130ºC, with rapid heat-up time
• Stability: ±0.1ºC
• Uniformity: ±0.1ºC
• Digital temperature control for optimal precision
• Range of convenient features including alarms, single and dual point calibration, programmed start/stop, ‘offset' for known sample temperature variation and choice of external or internal probes
• Includes block removal tool for easy and safe removal of blocks.

• Temperature range ambient +5ºC to 200ºC, with rapid heat-up time
• Stability: ±0.1ºC
• Uniformity: ±0.1ºC
• Digital temperature control for optimal precision
• Range of convenient features including alarms, single and dual point calibration, programmed start/stop, ‘offset' for known sample temperature variation and choice of external or internal probes
• Includes block removal tool for easy and safe removal of blocks.

QB-12 - For 24 x dia. 12mm test tubes, 50mm hole depth for use with Grant QBD or QBH dry heaters

Interchangeable block for 2 x 48mm tubes, depth 58mm for use with Grant CH3-150

QB-DN - For 24 x 5.0ml microtube, 53.5mm hole depth, dia. 16.7mm for use with Grant QBD or QBH dry heaters

• Temperature range ambient +5ºC to 130ºC, with rapid heat-up time
• Stability: ±0.1ºC
• Uniformity: ±0.1ºC
• Digital temperature control for optimal precision
• Range of convenient features including alarms, single and dual point calibration, programmed start/stop, ‘offset' for known sample temperature variation and choice of external or internal probes
• Includes block removal tool for easy and safe removal of blocks.