Tektronix TPS2000B Series, Service Manual

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Speci fi cations
Table 5: Batteries (cont.)
Characteristic
Description
Type System supports 2 type NI2040 Li Ion Battery Packs
Nominal Capacity 6600 mAH
Battery Life 5.5 hours per battery, 2 channel models
4.5 hours per battery, 4 channel models
300 charge/discharge cycles.
Battery will still have 80% of rated capacity after 300 charge cycles.
Charge time, nominal Instrument nonoperating: 4.5 hours
Instrument operating: 6.5 hours
External DC Input
Table 6: External DC input
Characteristic Description
Voltage 15 V, ±1 V
The input is not protected from the electrically harsh automobile electrical system. Operation
from a vehicle requires a speci
fi cally designed external power supply.
Typical Power draw from External DC input:
2 channel models, charging a battery: 21 W
2 channel models, no battery: 13 W
4 channel models, charging a battery: 30 W
4 channel models, no battery: 18 W
Charging only, instrument OFF: 28 W Current consumption
Maximum power draw from AC line by AC Adapter, 36 watts
Connector type 2.5 mm male. Use a mating connector with a 2.5 mm barrel hole.
Center conductor: positive
Outer conductor: negative
External Interfaces
Table 7: External interfaces
Characteristic Description
Interfaces for data communication
and probe compensation RS-232, Parallel port, Compact fl ash, Probe compensation
Probe Compensator output voltage,
typical 5 V p-p, ±10% into ≥ 1 M Ω load
Probe Compensator output
frequency, typical 1 kHz
8 TPS2000B Series Digital Storage Oscilloscopes Service Manual