OTT MF pro, Operating Instructions Manual

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Specification Details
Battery life 18 hours heavy typical day use
1
; 20 ºC (68 ºF)
Battery charger External power adapter, energy efficiency VI, 100–240 VAC, 50–60 Hz, 0.5 A input;
12 VDC, 1.25 A output
Dimensions (L x W x H) 21.8 x 9.3 x 5.3 cm (8.6 x 3.7 x 2.1 in.)
USB connector Type Mini-B, 5-pin, rated to IP67 when capped
Material Polycarbonate with a thermoplastic elastomer (TPE) overmold
User interface specifications
Specification Details
Graphics display Color, LCD 3.5" QVGA transflective (readable in direct sunlight)
Measurement resolution 0 ≤ value < 10: 3 decimal places; 10 ≤ value < 100: 2 decimal places; 100 ≤ value <
1000: 1 decimal place; value ≥ 1000: 0 decimal places
Keypad Alpha-numeric
Operating modes Real time, profiling
Profile types Stream, conduit
Conduit shapes Circular, rectangular, trapezoidal, 2/3 egg, inverted 2/3 egg
Stream entries Fixed, non-fixed stations
Noise rejection User-selectable, 50 Hz or 60 Hz
Units of measure Velocity: ft/s, m/s, cm/s, mm/s
Flow: ft
3
/sec, million gal/day, gal/day, gal/min, m
3
/s, m
3
/min, m
3
/hour, m
3
/day, liters/s,
liters/min
Depth: in., ft, m, cm, mm
Stream flow calculation Mean-section or mid-section method
Diagnostics Self test, keypad, display, event log
Conduit profiling methods 0.9 x Vmax, 0.2/0.4/0.8, velocity and level integrator, 2D
Stream profiling methods 1, 2, 3, 4, 5 and 6 point (velocity method - USGS and ISO), 2 point KREPS method,
1 point surface method, 1 and 2 point ice method
File types Real-time, profiling, event log
Languages English, French, Spanish, German, Italian, Dutch, Danish, Swedish, Chinese, Polish,
Japanese, Korean, Portuguese, Slovak, Russian, Hungarian, Bulgarian, Romanian,
Czech, Turkish, Finnish, Greek
General specifications
Specification Details
Maximum number of real-time files 50 each with up to 75 readings captured by the user.
Firmware The sensor and portable meter are field upgradeable via USB
1
Defined as 30 minutes of set up, six 1-hour periods of continuous use with an active sensor and
the display at maximum brightness and 30 minutes of sleep mode between use periods, data
download and power off.
4 English