OTT MF pro Manuel D'utilisation De Base page 4

Portable meter specifications
Specification
Pollution degree
Protection class
Charging temperature
Operating temperature
Storage temperature
Enclosure rating
Battery life gauge
Battery type
Battery life
Battery charger
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
Material
User interface specifications
Specification
Graphics display
Measurement resolution
Keypad
Operating modes
Profile types
Conduit shapes
Stream entries
Noise rejection
Units of measure
Stream flow calculation
Diagnostics
Conduit profiling methods 0.9 x Vmax, 0.2/0.4/0.8, velocity and level integrator, 2D
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
Details
2
II
0 to 40 ºC (32 to 104 ºF)
–20 to 55 ºC (-4 to 131 ºF)
–20 to 60 ºC (-4 to 140 ºF )
IP67
Five-segment bar graph
Rechargeable lithium ion, 3.6 V, 5.0 Ah, 18 Wh
18 hours heavy typical day use
External power adapter, energy efficiency VI, 100–240 VAC, 50–60 Hz, 0.5 A input;
12 VDC, 1.25 A output
Type Mini-B, 5-pin, rated to IP67 when capped
Polycarbonate with a thermoplastic elastomer (TPE) overmold
Details
Color, LCD 3.5" QVGA transflective (readable in direct sunlight)
0 ≤ value < 10: 3 decimal places; 10 ≤ value < 100: 2 decimal places; 100 ≤ value <
1000: 1 decimal place; value ≥ 1000: 0 decimal places
Alpha-numeric
Real time, profiling
Stream, conduit
Circular, rectangular, trapezoidal, 2/3 egg, inverted 2/3 egg
Fixed, non-fixed stations
User-selectable, 50 Hz or 60 Hz
Velocity: ft/s, m/s, cm/s, mm/s
3
Flow: ft /sec, million gal/day, gal/day, gal/min, m
liters/min
Depth: in., ft, m, cm, mm
Mean-section or mid-section method
Self test, keypad, display, event log
1
; 20 ºC (68 ºF)
3
/s, m
3 3 3
/min, m /hour, m /day, liters/s,