Flo-Dar Model 450 Specifications

Permanent AC Powered Monitor

Graphic Display

	Passive matrix color LCD
	320 x 240 quarter VGA
	Dimensions - 4.6" x 3.6" (11.7 cm x 9.14 cm)
	Displays flow rate, flow, totals, average velocity and level.

Data Entry

	Touch screen keypad
	Menu-driven programming

Time base accuracy

1 second per day

Outputs

4-20 mA outputs: First isolated up to 600 ohm load. Second requires optional isolator.

	Two (2) outputs standard
	Each output selectable between flow rate, velocity or level.

Contact Closure - one form C dry contact closure

Selectable for either flow proportional or alarm for either flow rate, velocity or level.

Rating: 1A 30VDC (resistive) 0.5A 125 VAC (resistive)

Power Requirements

AC: 85-264 VAC, 47-63 Hz, 32 watts

Enclosure

Material: NEMA 4, ABS Plastic

Dimensions

10.2" W x 13" H x 7.25" D
(25.9 cm W x 33 cm H x 18.4 cm D)
(with mounting bracket in place)

Weight

7.5 lbs. (3.4 kg)

Temperature Operating Range

14° F to 122° F (-10° C to 50° C)
(relative humidity non-condensing 10-90%)

Storage Temperature

-40° F to 140° F
(-40° C to 60° C)

Flo-Dar Sensor Specification
All Models

Enclosure

	Material: Polystyrene
	Dimensions: 6.9" W x 16.65" L x 11.7" D (17.5 cm x 42.3 cm x 29.7 cm)
	Weight: 10.5 lbs (4.8kg)
	Temperature Operating Range: 14° F to 122° F (-10° C to 50° C)
	Storage Range: -40° F to 140° F (-40° C to 60° C)
	Sensor Cable Material: Polyurethane jacketed Standard Length: 30' (9.14m), maximum 1000' (304.8 m) Disconnectable at both sensor and monitor

Velocity Measurement

	Method: Radar Range: 0.75 to 20 ft/s (0.23 m/s to 6.10 m/s)
	Accuracy: ±0.5%; ±0.1 ft/s (±0.03 m/s)

Level Measurement

	Method: Ultrasonic
	Standard Operating Range: 0.25 to 60 in. (0.634 to 152.4 cm)
	Optional Operating Range: 0 (0 cm) to 224 in. (5.7 m) (with 16" deadband)
	Temperature Compensated
	Accuracy: ±0.25 in. (±0.64 cm) 1% Accuracy

Surcharge Level Measurement

	Method: Piezo-resistive pressure transducer
	Maximum Range: 138 inches (3.5 meters)

Flow Measurement

Based on Continuity Equation. Accuracy: ±5.0% of reading typical where flow is in a channel with uniform flow conditions and is not surcharged.