VD (E2.1) 10/2011 page 64/83
Figure 25: Measuring connection (17) with
measuring access port
Figure 26: Pt100 connection (14) at the rear of the unit
Technical data of the Pt 100 sensor:
• Three-wire technique
• Class B (DIN EN 60751)
• Temperature range up to 300 °C / 572°F
• Stainless steel protective tube, length 45 mm / 1.77 in, stainless steel material no. 1.4501
16.7 Measuring access port vacuum 9 poles (option)
The measuring access port allows creating electrical connections for low voltages or sensors between
the exterior and interior of the VD vacuum drying oven. A 9 poles plug for the outside is included.
Figure 27: Measuring connection (17) with measuring access
port and supplied plug
Connections at the measuring access port
• At the inner side of the measuring access port you can solder up to 9 cables. The inside connections
must be insulated against each other and against ground. Use 300 °C / 572°F solder.
• The 9 contacts are conducted outside via the measuring access port. You can use them to connect a
device via the delivered plug.
Maximum load capacity of the switching contacts: 42 V AC/DC - 2A
DANGER
Electrical hazard.
Danger of death.
Damage to switching contacts and connection socket.
∅ Do NOT exceed the maximum switching load of 42 AC/DC – 2Amp.
∅ Do NOT connect any devices with a higher load capacity.
Insulate the inside connections against each other and against ground. Use 300 °C /
572°F solder.
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