wtw PB 150, Operating Manual

Page: 88 / 108

Technical data
88
Languages
Interfaces
Note
Plug-in connections for RS 232, RS 485 and Centronics printer inter-
face are available on the CPU circuit board.
The connections can be laid to an external plug-in connection optional-
ly.
Dosage vessel
Temperature control
Pneumatics
Sample container
Microprocessor control
The display language can be selected from several languages:
French, English, German, Dutch,
Italian, Spanish, Czech, Portuguese
RS 232 (optional, to be specified with the order), Centronics printer
Duran 50 glass, adjustable quantity 20 to 350 ml
with motive pinching valve
Independent 3 point control system with neutral zone for cooling and
heating the samples compartment to +4°C, overheating protection
Oil-free membrane pump, 12 V DC / 4 A, 7.0 m suction height,
1 bar pressure, motive valve system for switching between pressure/
vacuum/ventilation, medium suction speed with ID 12 mm suction
hose and 5 m suction height: > 06 cm / sec
1 x 50 L PP, 1 x 25 L PE, 2 x 10 L PE, 4 x 6.5 L PE, 12 x 2.9 L PE,
12 x 2.0 L glass, 24 x 1 L PE, 24 x 1 L glass
with 128 kB EPROM, 32 kB RAM (battery-buffered), 16 kByte
EEPROM, 16 digital and 8 analog inputs/outputs (can be extended by
16 more digital inputs/outputs). Operation via a waterproof foil
keyboard with 4x 20 digit LCD. Battery-buffered real-time clock.