Greyline Instruments TTFM 1.0, User Manual

Page: 41 / 53

Page 41
TTFM 1.0 Transit Time Flow Meter
SPECIFICATIONS
Flow Rate Range: ±0.07 to 39 ft/sec (±0.02
to 12 m/sec) typical
Pipe Size: 2” to 48” (50 to 1200
mm)
Accuracy: ±1% of flow rate,
Repeatability and
Linearity: ±0.25%
Displays: White, backlit matrix -
displays flow rate,
totalizer, relay states,
operating mode and
calibration menu
Calibration: built-in 5-key calibrator
with English, French or
Spanish language
selection
Power Input: 100-240VAC, 50/60Hz, 30 Watts or
Optional 9-32VDC, rated 9W (typical
4.0W with standard features)
Output: Isolated 4-20mA (1000 ohm load max.)
Control Relays: Qty 2, rated 5 amp 240Vac SPDT, programmable flow alarm and/or
proportional pulse
Enclosure: watertight, dust tight NEMA4X (IP 66) polycarbonate with a clear
shatter-proof face
Environmental Conditions: Relative humidity up to 80%, -23 to 60°C ambient temperature,
maximum 5000 m altitude, pollution degree 4, Installation Category II.
Electrical Surge Protection: Sensor, 4-20mA output and AC power input
Approximate Shipping Weight: 12 lbs (5.5 kg)
SE16 Transit Time Sensor
Pipe Diameter: 2” to 48” (50 to 1200 mm)
Operating Temperature: -40° to 300°F (-40° to 150°C)
Operating Frequency: 1.28 MHz
Sensor Cable: 25 ft (7.6 m) including TTJB Junction Box, BNC connectors and seal
jackets
Optional 50 ft (15 m) or 100 ft (30 m) including TTJB Junction Box, BNC
connectors and seal jackets
Submersion Rating: Withstands accidental submersion pressure up to 10 psi (0.7 Bar)
7 .4 / 1 8 8 mm "
6 .4 6 / 1 6 4 mm "
1
0
.9
4
"
/
2
7
8
m
m
1
0
/
2
5
4
m
m
"
CONDUITENTRY
LOCATION
SIDEVIEW
5 .1 2 / 1 3 0 mm "
TTFM 1.0
Open Channel
Flow Monitor