Teledyne installation and operation guide Technical Specifications for the 4220 Flow Meter

4220 Flow Meter Section 1 Introduction

1.6Technical Specifications

The technical specifications for the 4220 Flow Meter are found in Table 1-2.The anticipated longevity for a roll of paper used in the internal plotter is shown for various chart speeds in Table 1-4.Battery life expectancy is found in Table 1-5.

Table 1-2 Technical Specifications for the 4220 Flow Meter
	Physical Specifications
Size	16" high ⋅ 11 1⁄2" wide ⋅ 10 1⁄2" deep (40.6 ⋅ 29.2 ⋅ 26.7 cm) (without
	power source attached).
Weight	17 lb. 4 oz. (7.7 kg)
Material	High-impact molded polystyrene structural foam.
Type	Self-certified NEMA 4X Enclosure.
Display Type	2-line, 40 character/line alphanumeric dot matrix liquid crystal.
Power	12 -14 VDC, 16 mA average at 12.5 VDC (Plotter set at 1" per hour).
Typical Battery Life	7-10 days with plotter at 1" per hour and 4 Ampere-hour Ni-Cad bat-
	tery.
	14 days with plotter turned off.
Operating Temperature	0° to 140°F (–18° to 60°C).
Storage Temperature	–40° to 158°F (–40° to 70°C).
	Additional Power Required
	for Optional Equipment
Modem	60 mA maximum during operation; 0.1 mA maximum standby.
High-Low Alarm Relay Box	10 mA standby, typical; 190 mA - both relays operated.
	Internal Printer
Chart Speeds	Off, 1⁄2, 1, 2, or 4 inches per hour.
Ribbon	19.7 ft. (6 m) black nylon - replaceable.
Operating Speed	1.5 lines per second at 68° F. (20° C).
Character Size	0.09" high ⋅ 0.07" wide (2.4mm ⋅ 1.7 mm), 12 pitch.
Printer Recording Span	User-selected from 1⁄4 ft. (3.6 cm) to over 30 ft. (9.1 m) with multiple
	over-ranges.
Chart Resolution	1⁄240 of selected recording span
Display Resolution
	0.001 ft. (0.3 mm)
Paper	4.5" wide ⋅ 65 ft. (11.4 cm ⋅ 19.8 m) plain white paper, replaceable.
Printer Reliability	2.5 million lines MCBF (mean cycles before failure).
Reports Printed	Program selections, interval activity reports, flow meter history.
Printer Recording Modes	Level, flow rate; includes totalized flow, sampler events, rainfall, tem-
	perature, velocity, pH (or) D. O. (dissolved oxygen).
Plotted Linear Data	3 different linear plots can be printed at the same time.

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