Greyline Instruments PDFM 5.1 - Battery and Connections; Connections

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PDFM 5.1 Portable Doppler Flow Meter
BATTERY
- A built-in rechargable NiMH battery supplies power for 18 hours continuous operation when fully
charged.
- Display brightness is adjustable to conserve power.
- State of charge is shown for normal use, sleep mode and charging.
- When switched OFF with the AC power module connected the flashing battery indicates charging,
solid battery shows fully charged.
- The PDFM 5.1 will switch off automatically when the battery is fully discharged.
- Full charge requires approximately 6 hours charging.
- Sleep mode extends battery life for long term data logging. Maximum log time is 18 days at 5 minute
sample rate.
CONNECTIONS
SENSOR
Use type PSE4 supplied with 12 ft (4 m) cable. Optional 50 ft (15 m) extension cable available.
4-20mA
Active only when powered by AC charger, maximum load 500 ohm.
USB
Cable Part #USB-PD is supplied for connecting the PDFM 5.1 to a PC or laptop.
POWER
An AC powered 15 volt DC power module is supplied for battery charging and continuous use.