Discontinued, User options and adjustments – Max Machinery 272-5X8 BIDIRECTIONAL TRANSMITTER (210_240 SERIES FLOW METERS) User Manual
Page 10

Table I list the approximate volumetric displacements of flow meters that can be used with the 272
transmitters. Use this table to calculate the RPM of the flowmeter at maximum flow.
TABLE 1: METER MAXIMUM FLOW AND DISPLACEMENT
FLOWMETER
MAXIMUM FLOW
DISPLACEMENT PER REVOLUTION
MODEL
CC/MIN
GAL/MIN
CC
GALLONS
213
1,800
0.48
0.870
.00023
214
10,000
2.64
10.5
.00285
215
40,000
10.6
47.6
.0128
216
100,000
26.4
169.5
.0446
220
10,000
2.64
9.12
.0024
221
55,000
14.5
23.5
.0062
222
75,000
19.8
47.4
.0125
241
189,000
50.0
62.1
.0164
251
189,000
50.0
62.1
.0164
242
540,000
143.0
182.0
.0480
243
1,400,000
370.0
574.0
.152
244
3,500,000
925.0
1700.0
.456
245
8,000,000
2114.0
6060.0
1.60
FOR EXAMPLE: THE MODEL 213 MAXIMUM RPM IS: 1800 CC/MIN ÷ 0.870 CC/REV = 2069 RPM.
Table II list the RPM range of each Range Switch setting for all three 272 transmitters. Use this
table to estimate the correct range position.
TABLE 2: RPM RANGE VS SWITCH POSITION
(RPM AT 10V OUT)
272-5X5
272-5X7
272-5X8
SWITCH
MAX
MIN
MAX
MIN
MAX
MIN
POSITION
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
1
1985
5559
2197
6157
1985
5559
2
794
2224
879
2460
794
2224
3
318
889
351
984
318
889
4
127
356
141
394
127
356
5
51
142
36.3
117
51
142
6
20.3
57
21
53
20.3
57
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272-500-350 © 1996 (Rev. 8/00) Max Machinery, Inc.
USER OPTIONS AND ADJUSTMENTS
Discontinued