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4. Maintenance
No routine or extraordinary maintenance is necessary apart from periodically cleaning the unit as described in this manual.
In compliance with the product guarantee law, replace the fuses and repairs to our units must be carried out in our factory,
unless previously agreed otherwise with local distributors and using Velp spare part only.
The instrument must be transported in its original packaging and any indications present on the original packaging must be
followed (e.g. palletized).
It is the responsibility of the user, to properly decontaminate the unit in case of hazardous substances remaining on the
surface or interior of the device. If in doubt about the compatibility of a cleaning or decontamination product, contact the
manufacturer or distributor.
4.1 Cleaning
Disconnect the unit from the power supply and use a cloth dampened with an non-inflammable non-aggressive detergent.
5. Technical data
Power supply
230V / 50-60Hz (+/-10%)
Dimensions WxHxD
715x115x246 (28.1x4.5x9.7)
Weight
9.0 Kg
Power input
630W x 4 (2520W)
Heat output
600W x 4 (2400W)
Motor rating output
10 W x 4
Continuous operating mode
Admitted
Diameter of the heating plate
135mm x 4
Programmable temperature range
Room temp.
– 370 °C
Type of temperature control
Digital
Temperature selection
5 °C steps
Reading temperature resolution
1 °C steps
Overtemperature protection
Yes
Stirring capacity
20 liters of H
2
O x 4
Programmable speed range
50
– 1500 rpm
Type of motor control
Digital
Speed selection
10 rpm steps
External connection
VTF
Electric rating VTF
5 Vdc (max)
Accuracy of temperature with VTF
+/-0,5°C*
Accuracy of temperature with external probe
+/-1°C*
Noise level
<< 80 dBa
Temperature range
+5…+40 °C
Storage temperature range
-
10…+60 °C
Max humidity
80%
Overvoltage category
II
Pollution degree CEI EN61010-1
2
Max altitude
4000 m
* in following conditions: 800ml water in 1liter glass beaker (diameter 105mm), stirring bar 8x40mm, 600rpm, 50°C.
