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PTFM 1.0 Portable Transit Time Flow Meter
SPECIFICATIONS
Flow Rate Range: ± 0.07 to 39 ft/sec (± 0.02 to 12
m/sec) in most applications
Pipe Size: Ultrasonic Sensor mounts on any
pipe from 2" to 48" ID (50 mm to
1200 mm)
Display: White, backlit matrix - displays
flow rate, totalizer, operating mode
and calibration menu
Power Input: Built-in NiMH battery for up to 18
hours continuous operation
External charger with 100-
240VAC 50/60Hz input
Outputs: 4-20mA (500 ohm) when AC
powered
USB for Data Log transfer by
direct PC connection
Data Logger: Programmable 300,000 data point
capacity, time and date stamped
or formatted flow reports including
total, average, minimum, maximum and times of occurrence
PC Software: 'Greyline Logger' for Windows 98 or higher. Retrieves, displays and
saves data log files
Electronics Operating
Temperature: -5° to 140°F (-20° to 60°C)
Electronics Enclosure: Portable, ABS enclosure
Carry Case: Rated IP67 with protective molded foam insert
Accuracy: ±1% of reading or 0.1 ft/sec (0.03 m/sec), whichever is greater.
Repeatability: ±0.25%, Linearity: ±0.5%
Calibration: Built-in 5-key programming with user-friendly calibration menu.
Password protected.
Language Selection: English, French, Spanish
Sensitivity: Adjustable signal cut-off, signal strength and damping
Approvals: Charger is CE and UL approved. The PTFM 1.0 is not certified for use
in hazardous rated locations.
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