Marsh McBirney Flo-Dar™ With Flo-Logger XT Remote Communications Radar Velocity/Area Flow Meter

Specifications

FLO-DAR™ SENSOR (Without SVS)

Enclosure
IP 68 Waterproof rating, Polystyrene

Dimensions
160.5 W x 432.2 L x 297 D mm (6.32 x 16.66 x 11.7 in.), with SVS, D = 387 mm (15.2 in.)

Weight
4.8 kg (10.5 lbs.)

Operating Temperature
-10 to 50°C (14 to 122°F)

Storage Temperature
-40 to 60°C (-40 to 140°F)

Power Requirements
Supplied by Flo-Logger XT

Interconnecting Cable
ˆDisconnectable at both sensor and logger
Polyurethane, 0.400 (±0.015) in. diameter; IP68
Standard length 9M (30 ft), maximum 305 m (1000 ft)

Certification
FCC Rules Part 15, Subpart C; Industry Canada RS-S210
(No user license required)

SURCHARGE DEPTH MEASUREMENT

Auto zero function maintains zero error below 0.5 cm (0.2 in.)

Method
Piezo-resistive pressure transducer with stainless steel diaphragm

Range
3.5 m (138 in.), overpressure rating 2.5 x full scale

VELOCITY MEASUREMENT

Method
Radar

Range
0.23 to 6.10 m/s (0.75 to 20 ft/s)

Frequency Range
24.075 to 24.175 G-Hz, 15.2mW (max.)

Accuracy
±0.5%; ±0.03 m/s (±0.1 ft/s)

DEPTH MEASUREMENT

Method
Ultrasonic

Standard Operating Range from Flo-Dar Housing to Liquid
0 to 152.4 cm (0 to 60 in.)

Optional Extended Operating Range from Transducer
Face to Liquid
0 to 6.1 m (0 to 20 ft.) with 43.18 cm (17 in.) dead band,temperature compensated.

Accuracy
±1%; ±0.25 cm (±0.1 in.)

FLOW MEASUREMENT

Method
Based on Continuity Equation

Accuracy
±5% of reading typical where flow is in a channel with uniform flow conditions and is not surcharged, ±1% full scale max.

SURCHARGE CONDITIONS DEPTH/VELOCITY

DEPTH (Std with Flo-Dar Sensor)
Surcharge depth supplied by Flo-Dar sensor.

VELOCITY (Optional Surcharge Velocity Sensor)
Method
Electromagnetic

Range
±4.8 m/s (±16 ft/s)

Accuracy
±0.15 ft/s or 4% of reading, whichever is greater.

Zero Stability
> ±0.05 ft/s

FLO-LOGGER XT PORTABLE DC POWERED ELECTRONICS

Data Storage
64K (16K cycles of velocity/depth data)

Local Terminal
RS232C at 19.2K baud

Power Requirements
Lithium Battery Pack housed in the Logger or Alkaline Battery Pack housed in a separate waterproof enclosure. (requires external power connector option)

Time-Based Accuracy
1 second per day

Housing
Sealed watertight Polystyrene ˆ meets IP68 rating
Length: 37.03 cm (14.625 in.)
Diameter: 19.69 cm (7.75 in.)
Weight: 4.4 kg (9.8 lbs) (including lithium batteries)

Temperature
Operating Range: -10 to 51°C (14 to 125°F)
Storage Range: -20 to 51°C (-4 to 125°F)

Flo-Logger Disconnect

The Flo-Logger has waterproof (IP68) connectors for easy separation from the interconnecting cable.

Remote Communications

RTU configured with a packet switched IP protocol data over a Cellular Network, supported with a FCC approved embedded cellular modem.

Certification

This Class A device complies with Part 15 of the FCC rules ID P4M-EMIV and Industry Canada RSS129 and RSS133, ID 4594A-EMIV (user licensing is not required). Operation is subject to the following conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.