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1.4 Technical
Specifications
Table 1-1 LaserFlow Ex Sensor Specifications
Size (H x W x D)
b
Cable Lengths
Weight
Materials
Enclosure (self-certified)
Certification
Laser Class
Laser Wavelength
Laser Exit Angle
Input Voltage (Operating)
Input Power (Operating)
Electrical Connections
Temperature Range
Flow Accuracy
Velocity Measurement
Technology
Measurement Range
Number of velocity readings per measurement
Maximum distance: liquid surface to bottom of sensor
Minimum depth for velocity measurement
Minimum Velocity
Deadband
Accuracy in full pipe or lower flow conditions
TIENet™ 360 LaserFlow Ex™ Velocity Sensor
Table 1-1 provides technical specifications for the LaserFlow Ex.
18.0 x 9.5 x 23.5 in
10 or 23 m
NOTE: 33 m max from LaserFlow Ex to TIENet barrier.
24.8 lbs (11.25 kg)
Conductive Carbon Filled ABS Plastic, SST, Conductive
c
Kynar®
, Anodized Aluminum, UV Rated PVC
IP68 (Submerged @ 2 m depth for 72 hrs)
CE EN61326; FDA CDRH 21CFR1040; IEC 60825-1
Class 1, Div 1, Gr. C–D, T4, Ex ia
Class1, Zone 0, Ex/AEx ia op is IIB T4 Ga
Ex ia op is IIB T4 Ga
IECEx II 1 G Ex ia op is IIB T4 Ga
-10 °C < Tamb < +60 °C
Class 3R
655 nm
45° ±3°
10 to 13VDC Recommend; 8VDC Minimum
1.6W/200mA
Signature flowmeter, Screw Terminal, 2160 LaserFlow Mod-
ule, TIENet Plug, TIENet Barrier
Operating:
Storage:
±4% of Reading (Typical under less than half pipe flow con-
ditions.)
Non-Contact, Subsurface Laser Doppler Velocity
(U.S. patent 8,339,584 and patents pending)
0.5 ft/s to 15 ft/s
1 to 3 (selectable measurement points)
3m (10 ft)
0.01m (0.5 in)
0.5 ft/s (0.15 m/s)
Zero deadband from bottom of LaserFlow Ex sensor
±0.5% of reading ±0.03 m/s (0.1 ft/s)
Section 1 Introduction
a
45.7 x 24.1 x 59.7 c,
32.8 or 75.5 ft
14 to 140 °F (-10 to 60 °C)
-40 to 140 °F (-40 to 60 °C)
0.15 to + 4.6 m/sec
d
1-3
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