The Grant QBD / QBH series are a versatile range of high quality digital dry block heating systems with excellent temperature control and a wide choice of interchangeable blocks for maximum flexibility.
The outstanding performance of the QBD / QBH series is based on advanced digital temperature control combined with high quality, precision-engineered blocks providing excellent thermal contact. The result is accurate, reproducible and safe heating of your samples.
There is a full range of models and options to cater for basic through to more sophisticated applications - choose from three digital systems with 1, 2 or 4 interchangeable blocks (QBD models) and one digital high-temperature system (QBH2) with 2 blocks.
These are complemented by an extensive range of interchangeable heating blocks to accommodate your sample tubes - from our standard range of blocks or tailored to suit your application. In addition, for 2-block systems QBD2 and QBH2 we offer accessory blocks for accommodating microplates and microtube strips.
The QBA series of analogue block heaters present a contemporary high quality solution at a cost-effective price for heating applications up to 100°C.
Designed for durability and ease of use, the range consists of two models with 1 or 2 interchangeable blocks. A comprehensive range of accessory blocks for tubes of different diameters ensures maximum flexibility for different applications. The two-block system QBA2 also provides the option of blocks for accommodating standard microplates and microtube strips.
Robustly constructed in streamlined coolwall aluminium and chemical-resistant plastic, the units have a small footprint and low profile to optimise bench space. A sloping fascia, complemented with easy-to-use analogue interface, increase usability of the product which is combined with a precision thermostat allowing a 2°C setting resolution.
Dry block heating systems with interchangable blocks - models | |||||||||||||||||
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| Precision digital | High performance | Economy analogue | ||||||||||||||
QBD1 | QBD2 | QBD4 | QBH2 | QBA1 | QBA2 | ||||||||||||
1-block system | 2-block system | 4-block system | 2-block system | 1-block system | 2-block system | ||||||||||||
Specification | |||||||||||||||||
Temperature ranges | °C | ambient + 5 to 130 | ambient + 5 to 200 | ambient + 5 to 100 | |||||||||||||
Temperature setting range | °C | 15 to 130 | 15 to 200 | 0 to 100 | |||||||||||||
Setting resolution | °C | 0.1 | 0.1 | 2 | |||||||||||||
Stability @37°C | °C | ± 0.1 | ± 0.1 | ± 1.0 | |||||||||||||
Uniformity |
°C °C |
± 0.1 ± 0.2 |
± 0.1 ± 0.2 |
± 1.0 ± 1.0 |
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Temperature display, LED | - | ||||||||||||||||
Display resolution | °C | 0.1 | 0.1 | - | |||||||||||||
Heat up time 25°C to 100°C | mins | 15 | 15 | 25 | |||||||||||||
Three programmable temperature/time segments plus end-of-program segments | - | - | |||||||||||||||
Reaction timer, with audible buzzer | 1 to 999 mins | 1 to 999 mins | - | ||||||||||||||
Function timer for delay of heater start-up/switch-off | up to 72 hours | up to 72 hours | - | ||||||||||||||
Off-set adjustment | - | ||||||||||||||||
Two-point calibration of internal and external probes | - | ||||||||||||||||
High//low temperature alarms, settable to within 0.5°C of set temperature | - | ||||||||||||||||
Fault indication display | - | ||||||||||||||||
Power | W | 150 | 300 | 600 | 300 | 150 | 300 | ||||||||||
Supply voltage | V | 120 or 230 | 120 or 230 | 120 or 230 | |||||||||||||
Safety overtemperature cut-out | thermal fuse | thermal fuse | thermal fuse | ||||||||||||||
Extraction tools for easy and safe block removal | |||||||||||||||||
Dimensions | h: 100 mm d: 230mm w: 200mm |
h: 100 mm d: 280mm w: 200mm |
h: 100 mm d: 380mm w: 200mm |
h: 100 mm d: 280mm w: 200mm |
h: 100 mm d: 230mm w: 200mm |
h: 100 mm d: 280mm w: 200mm |
A source of precision temperature control for general, routing applications and sensitive analytical procedures including enzyme digestions, enzyme activity studies and nucleid acid hybridisations.
Options and accessories | |||||||
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= not available, = available | QBD1 | QBD2 | QBD4 | QBH2 | QBA1 | QBA2 | |
Interchangable blocks |
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No. of blocks 140 x 50 x 63 mm | 1 | 2 | 4 | 2 | 1 | 2 | |
QB-0 Plain block without holes | |||||||
QB-10 24 x 10 mm Ø holes, 50 mm hole depth | |||||||
QB-12 24 x 12 mm Ø holes, 50 mm hole depth | |||||||
QB-13 12 x 13 mm Ø holes, 50 mm hole depth | |||||||
QB-16 12 x 16 mm Ø holes, 50 mm hole depth | |||||||
QB-17H extra deep block, for 10 x 17mm Ø holes, 75mm deep | |||||||
QB-18 12 x 18 mm Ø holes, 50 mm hole depth | |||||||
QB-24 5 x 24 mm Ø holes and universal bottles, 50 mm hole depth | |||||||
QB-50 4 x 50 ml centrifuge tubes, glass universals, 50 mm hole depth | |||||||
QB-H 56 x 0.2 ml microtube, 14 mm hole depth | |||||||
QB-E0 24 x 0.5 ml microtube, 30 mm hole depth | |||||||
QB-E1 24 x 1.5 ml microtube, 35 mm hole depth | |||||||
QB-E2 24 x 2.0 ml microtube, 35 mm hole depth | |||||||
QB-E5 12 x 5.0 ml microtube, 53.5 mm hole depth | |||||||
QB-DN Dolphin nose tube 24 x 11.13mm to 6.1 mm diameter | |||||||
External Pt1000 temperature probe |
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QBEP | Standard probe. For in-sample or in-block temperature control; encased in stainless steel sheath, Ø 3 mm x 30 mm long, with 350 mm of cable | ||||||
QBEP-WM | Short-form probe. For in-sample or in-block temperature control; encased in stainless steel sheath, Ø 3 mm x 14 mm long, with 350 mm of cable | ||||||
Microplate blocks for molecular biology and biotechnology applicationsDouble-size blocks 140 x 100 x 75 mm supplied with additional extraction tool |
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QDP-H | 96 holes in microplate configuration for 0.2 ml microplates, strips or individual tubes Uniformity ± 0.3°C within tubes across the block; 6.2 mm Ø holes, 14 mm hole depth |
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QDP-FL | Universal block for standard 96-well plates (u-well, v-well, flat bottom, high temperature) Uniformity ± 0.5°C between wells; supplied with hinged, double layer lid to create an insulated incubation chamber |
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Safety covers (not required with QDP-FL Microtiter blocks) |
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Made from tough clear acrylic for maximum visibility whilst preventing accidental touching of a hot block or contamination of samples from splashes Clearance height 85 mm |
QBL1 | QBL2 | QBL4 | QBL2 | QBL1 | QBL2 |
Product Calibration
A product calibration service is available which includes a calibration certificate, traceable to national standards. Please enquire prior to placing order.
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