Logitech Electronics 2000 MKII Series, Руководство пользователя, Страница: 3 / 17

Specification
Display 7-segment red LED, 10mm high
RATE — 6 Decade
TOTAL — 7 Decade
Decimal point Programmable from front panel
Rate
Accuracy 0.05% with a square wave at 1V peak
Signal Inputs Signal A
Normal Sensitivity 180mV—10V (protected to 100V)
High Sensitivity Option 12mV—1V (protected to 100V)
Frequency 30 kHz max
Impedence 15k Ω min
Control Inputs Factor protection
Outputs High Alarm, Low Alarm (Open Collector 200mA @ 60V max)
Total
Signal Inputs Signal B — count up
Control Inputs Factor protection, external Reset
Control inputs Opto-isolated - requires sink to 0V of 220W maximum.
Outputs DC Voltage (10V nominal unregulated @ 80mA max)
Scaling Programmable via front panel (non-volatile memory)
Connections Screw terminals on rear panel.
Power requirement
AC Factory set to 115V or 230V AC 50/60 Hz, loading 3VA.
DC Mains Tachometers can also be powered by providing 10V to 15V DC @
300mA max via the 10V terminal.
Temperature range
Operating 0°C to +50°C
Storage -20°C to +80°C
Dimensions 96 x 48 x 113mm (panel cut-out 92 x 43mm).
Weight 500g
2000CT-
MKII
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