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4220 Flow Meter
Section 1 Introduction
1.6 Technical
Specifications
Table 1-2 Technical Specifications for the 4220 Flow Meter
Size
Weight
Material
Type
Display Type
Power
Typical Battery Life
Operating Temperature
Storage Temperature
Modem
High-Low Alarm Relay Box
Chart Speeds
Ribbon
Operating Speed
Character Size
Printer Recording Span
Chart Resolution
Display Resolution
Paper
Printer Reliability
Reports Printed
Printer Recording Modes
Plotted Linear Data
1-8
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.
Physical Specifications
1
16" high × 11
⁄
" wide × 10
2
power source attached).
17 lb. 4 oz. (7.7 kg)
High-impact molded polystyrene structural foam.
Self-certified NEMA 4X Enclosure.
2-line, 40 character/line alphanumeric dot matrix liquid crystal.
12 -14 VDC, 16 mA average at 12.5 VDC (Plotter set at 1" per hour).
7-10 days with plotter at 1" per hour and 4 Ampere-hour Ni-Cad bat-
tery.
14 days with plotter turned off.
0° to 140°F (–18° to 60°C).
–40° to 158°F (–40° to 70°C).
Additional Power Required
for Optional Equipment
60 mA maximum during operation; 0.1 mA maximum standby.
10 mA standby, typical; 190 mA - both relays operated.
Internal Printer
1
⁄
Off,
, 1, 2, or 4 inches per hour.
2
19.7 ft. (6 m) black nylon - replaceable.
1.5 lines per second at 68° F. (20° C).
0.09" high × 0.07" wide (2.4mm × 1.7 mm), 12 pitch.
1
⁄
User-selected from
ft. (3.6 cm) to over 30 ft. (9.1 m) with multiple
4
over-ranges.
1
⁄
of selected recording span
240
0.001 ft. (0.3 mm)
4.5" wide × 65 ft. (11.4 cm × 19.8 m) plain white paper, replaceable.
2.5 million lines MCBF (mean cycles before failure).
Program selections, interval activity reports, flow meter history.
Level, flow rate; includes totalized flow, sampler events, rainfall, tem-
perature, velocity, pH (or) D. O. (dissolved oxygen).
3 different linear plots can be printed at the same time.
1
⁄
" deep (40.6 × 29.2 × 26.7 cm) (without
2
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