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3.5 Error messages
If an error message appears on the display, please contact VELP Scientifica's technical service department.
When the display shows an error message, the stirring and heating functions stop automatically.
NOTE: To remove the error message disconnect the instrument from the power supply.
AL1
Overtemperature (temperature is higher than 430 °C)
AL2
Excessive heating time
The stirring system doesn't run correctly
AL3
AL4
Overtemperature of the external probe (temperature is higher than 260 °C) - only when A00000268 is connected
AL5
Overtemperature of the safety probe (temperature is higher than 430 °C)
AL6
Probe not inserted inside the sample
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, repairs to our units must be carried out in our factory, unless previously
agreed otherwise with local distributors.
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
Dimensions WxHxD
Weight
Power input
Heat output
Motor rating output
Continuous operating mode
Dimension of the heating plate
Programmable temperature range
Type of temperature control
Temperature selection
Reading temperature resolution
Overtemperature protection
Stirring capacity
Programmable speed range
Type of motor control
Speed selection
Connection
Electric rating for external probe
Accuracy of temperature with VTF
Accuracy of temperature with external probe
Noise level
Temperature range
Storage temperature range
Max humidity
Level of electrical protection CEI EN60529
Overvoltage category
Pollution degree CEI EN61010-1
Max altitude
* in following conditions: 800ml water in 1 liter glass beaker (diameter 105mm), stirring bar 8x40mm, 600rpm, 50°C.
230 V / 50-60 Hz or 115V / 60 Hz (+/-10%)
165x115x280 mm (6.5x4.5x11 in)
2.6 Kg (5.7 lb)
630 W
600 W
10 W
Admitted
Ø 135 mm
Room temp. - 370 °C
Digital
5 °C steps
1 °C steps
Yes
20 liters of H
O
2
50 – 1500 rpm
Digital
10 rpm steps
VTF - External probe Pt100
5 Vdc – 1W (max)
+/-0,5°C*
+/-1°C*
<< 80 dBa
+5...+40 °C
-10...+60 °C
80%
IP 42
II
2
4000 m
9
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