VWR Collection Laboratory Equipment - page 48

46
VWR
®
Advanced Hotplates & Hotplate-Stirrers
VWR
®
HOTPLATES/STIRRERS
• Excellent temperature uniformity
• Microprocessor controlled
• Cool touch, chemical resistant housing
• LED display for temperature
VWR
®
Advanced Hotplates and Hotplate-Stirrers deliver accurate and repeatable results.
These units are microprocessor controlled and have an LED display for temperature.
Control panel features easy-to-use controls which allow users to dial in adjustments. Rear
housing features an integral support rod holder with locking knob to accept the optional
support rod and clamp kit.
Operating Features:
Low profile design:
Takes up minimal space and fits easily into fume hoods. Spill-
resistant design channels fluids away from internal components.
LED display:
Shows set-point temperature. Display is easy-to-read and provides
repeatable and accurate results every time.
Control panel:
Adjustment knob for temperature displays set-point in LED display. Stir
control knob has rpm adjustment markings.
Recall last temp:
Built-in memory allows users to recall last set temperature, even when
unit has been turned off.
Microprocessor control:
Advanced electronics regulate both heating and stirring
and bring samples to temperature quickly and efficiently. An internal RTD accurately
measures and controls temperature. Precise speed control provides consistent stirring
at all speeds. Powerful continuous duty motor delivers dependable and reliable stirring.
Heating capacity:
Robust heater allows heating surface to reach set point quickly.
Ceramic or aluminum top plate materials:
Ceramic tops feature a chemical resistant,
reflective white top plate surface that is easy to clean. Durable aluminum tops will not
crack or chip, and provide a more even temperature distribution.
Built-in support rod holder:
Rear housing features an off centered, built-in support rod
holder with locking knob that accepts the optional Support Rod and Clamp Kit.
Safety Features:
Cool touch housing:
Housing is made of a heat resistant polymer that is not only cool
to the touch, but is also chemical resistant.
Hot top indicator:
For additional safety, hot symbol warning light is illuminated when heat
is turned on and remains on until top plate cools down.
Stir protection:
If stirrer motor stops or fails, unit will automatically shut down heater (for
hotplate-stirrers).
Speed ramping feature:
Slowly increases speed for improved safety and enhanced
coupling. Avoids splashing, improves spin bar control and provides excellent low end
speed control (for hotplate-stirrers and stirrers).
Optional Support Rod and Clamp Kit:
Kit includes 18” (45.7cm) stainless steel support
rod, 3-prong medium swivel clamp, thermometer/temperature probe extension clamp,
and hook connector.
Operating Conditions:
Unit can be run in conditions from 5 to 40°C (41 to 104°F), maximum 80% relative
humidity, non-condensing.
Specifications
Top Plate Dimensions
4 x 4” Units
4 x 4” (10.2 x 10.2cm)
7 x 7” Units
7 x 7” (17.8 x 17.8cm)
10 x 10” Units
10 x 10” (25.4 x 25.4cm)
Temperature Range
Ceramic Top Plate Units
Ambient +5°C to 500°C
Aluminum Top Plate Units
Ambient +5°C to 400°C
Temperature Stability*
Ceramic Top Plate Units
± 3%
Aluminum Top Plate Units
± 2%
Speed Range
60 to 1600rpm
Speed Stability
± 2%
Maximum Capacity (H
2
O)
4 x 4” Units
600mL
7 x 7” Units
2500mL
10 x 10” Units
6000mL
Overall Dimensions
4 x 4” Units
10.8 x 6.6 x 4.3” (27.4 x 16.8 x 10.9cm)
7 x 7” Units
14.8 x 9.9 x 4.3” (37.6 x 25.1 x 10.9cm)
10 x 10” Units
17.9 x 13 x 4.3” (45.5 x 33 x 10.9cm)
Ship Weight
4 x 4” Units
6.2lbs (2.8kg)
7 x 7” Units
10.5lbs (4.8kg)
10 x 10” Units
15.9lbs (7.2kg)
* Below 100°C ± 2
°
C. Environmental and sample conditions permitting.
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