Measurement-computing BTH-1208LS-OEM Instrukcja Użytkownika Pobierz pdf (Strona 24)

BTH-1208LS-OEM User's Guide Specifications

Power

Table 17. Power specifications

Parameter Condition Specification

Supply current, USB source During enumeration < 100 mA

After USB enumeration or

connected to USB charger /

supply

< 500 mA

Battery power (Note 8) Two AA or two AAA cells

Alkaline, NiCd, and NiMH cells supported

Battery charging NiMH and NiCd charging supported.

Alkaline cells automatically detected and not

charged.

+VO power available After USB enumeration or

Bluetooth connection

3.3 V nominal

+VO output current After USB enumeration or

Bluetooth connection

50 mA max

Note 8: When operating from batteries there is a user configurable power-off timer that will turn the device off

when there is no host connection for the specified amount of time. The timer can be disabled or set to a

value from 1 – 255 minutes.

Bluetooth

Table 18. Bluetooth specifications

Parameter Specification

Device type (Note 9) Bluetooth 2.1

Device compatibility Backwards compatible with Bluetooth 2.0, 1.2, and 1.1

Bluetooth profile Serial Port Profile (SPP)

Radio range Class II, 10 m typ

Note 9: The Bluetooth radio is disabled when the device is connected to a USB host.

USB

Table 19. USB specifications

Parameter Specification

Device type USB 2.0 full speed

Device compatibility USB 1.1, USB 2.0

Environmental

Table 20. Environmental specifications

Parameter Specification

Operating temperature range 0 °C to 50 °C

Storage temperature range –40 °C to 70 °C

Humidity 0% to 90% non-condensing

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