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Grant Instruments

QBD / QBA / QBH Series Dry Block Heating Systems

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QBD / QBA / QBH Series Dry Block Heating Systems

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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.

  • heating range ambient + 5°C to 130°C (all three QBD models) or ambient + 5°C to 200°C (QBH2)
  • rapid heat-up time
  • stability and uniformity ± 0.1°C
  • integral timer function optional external probe for in-sample or in-block temperature control
  • robust, compact, contemporary design
  • block extraction tool included as standard, for easy and safe removal of blocks
  • sold exclusively of blocks - see Accessories for blocks

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.

  • ambient + 5°C to 100°C operation
  • setting resolution 2°C
  • stability ± 1.0°C, uniformity ± 1.0°C
  • choice of 1 and 2 block systems
  • wide range of accessory blocks for different applications
  • block extraction tool included as standard, for easy and safe removal of blocks

Applications: A source of precision temperature control for general, routing applications and sensitive analytical procedures including enzyme digestions, enzyme activity studies and nucleid acid hybridisations.

FeatureQBD1QBD2QBD4QBH2
Temperature range °Cambient + 5 to 130ambient + 5 to 130ambient + 5 to 130ambient + 5 to 200
Temperature setting range °C15 to 13015 to 13015 to 13015 to 200
Setting resolution °C0.10.10.10.1
Stability @ 37°C, °C± 0.1± 0.1± 0.1± 0.1
Uniformity
within the block @ 37°C, °C
across similar blocks @ 37°C, °C

± 0.1
± 0.2

± 0.1
± 0.2

± 0.1
± 0.2

± 0.1
± 0.2
Temperature display, LEDYYYY
Display resolution °C0.10.10.10.1
Heat up time 25° to 100°C mins15151515
Three programmable temperature/time
segments plus end-of-program
segments
Y
Reaction timer, with audible buzzer1 to 999 mins1 to 999 mins1 to 999 mins1 to 999 mins
Function timer for delay of heater startup/
switch-off
up to 72 hoursup to 72 hoursup to 72 hoursup to 72 hours
Off-set adjustmentYYYY
Two-point calibration of internal and
external probes
YYYY
High/low temperature alarms, settable
to within 0.5°C of set temperature
YYYY
Fault indication displayYYYY
Power W150300600300
Supply voltage V120 or 230120 or 230120 or 230120 or 230
Safety overtemperature cut-outthermal fusethermal fusethermal fusethermal fuse;
adjustable
Extraction tool for easy and safe block
removal
YYYY
Weight kg22.542.5

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Product Detail
Thomas No.
1228J53
Mfr. No.
QBD1L
Description
Dry Block Heater, Single Block, Digital, 120V
list price/quantitytotal
$0.00
Thomas No.
1228J54
Mfr. No.
QBD2L
Description
Heater, Double Block, Digital, 120V
list price/quantitytotal
$0.00
Thomas No.
1228J55
Mfr. No.
QBD4L
Description
Dry Block Heater, Quad Block, Digital, 120V
list price/quantitytotal
$0.00
Thomas No.
1228J61
Mfr. No.
QBH2L
Description
Heater, Double Block, High Performance Digital, 120V
list price/quantitytotal
$0.00
Thomas No.
1228J59
Mfr. No.
QBEP
Description
External Pt1000 Temperature Probe, 30mm
list price/quantitytotal
$0.00
$0.00 (0 Items)

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