Hach 911, User Manual

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24
Meter Installation
Figure 9 Control Drawing 940-V8
REGULATORY AGENCY
APPROVAL REQUIRED PRIOR TO CHANGING
THIS DRAWING
REF. TABLE 1 OR 2 FOR P/N
AREA VELOCITY
PROBE
REF. TABLE 1 OR 2 FOR P/N
AREA VELOCITY
PROBE
INTEGRAL IN LINE VENT ASSEMBLY
INTEGRAL IN LINE VENT ASSEMBLY
25 FT - 100 FT MAX 7.6m - 30.5m
25 FT - 100 FT MAX 7.6m - 30.5m
P/N 5232 MODEL 940 FLOW METER
MAX. LENGTH 150 FT/ 45.7 m
MAX LENGTH
150 FT.
MAX LENGTH
150 FT.
HAZARDOUS (CLASSIFIED) LOCATION CLASS 1, DIV. 1, GROUP C,D
NONHAZARDOUS (CLASSIFIED)
LOCATION
3-5v DC
3-5v DC
P/N 4413
F.O.
MODEM INTERFACE
P/N 4443
F.O. MODEM
10 FT 3.1 m
6.56 FT 2.0 m
RS-232
OPTO-ISOLATED
INTERFACE
RS-232
OPTO-ISOLATED
INTERFACE
P/N 4738
-OR-
P/N 4087
P/N 5254200
-OR-
P/N 5254100
TO COMPUTER
TO SIGMA
1000
IS
GROUND
TO 940 FLOW METER
P/N 5331 IS ZENER POWER BARRIER
P/N 4615 12 VDC BATTERY BACKUP
P/N 5351 DC POWER
SUPPLY
P/N 100401
120 VAC 50/60 Hz
POWER SUPPLY BARRIER P/N 1004
CUSTOMER DEFINABLE
LENGTH
-OR-
1. IF THE ELECTRICAL PARAMETERS OF THE CABLE ARE UNKNOWN, THE FOLLOWING DEFAULT VALUES MAY BE USED:
CANADIAN ELECTRIC CODE, C22.1-94, SECTION 18 AND ANSI/ISA RP 12.6
3. FOR MODEM INSTALLATION IN CONDUIT, MINIMUM CONDUIT DIAMETER IS 1/2 IN./1.3 CM.,
MINIMUM BEND RADIUS IS 3 IN./7.6 cm.
CAPACITANCE - .2 nf/METER, INDUCTANCE - 1 uh/METER.
2. WIRING METHODS MUST BE IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE, ANSI/NFPA 70, ARTICLE 504,
TABLE 1
TABLE 2
D
C
B
A
A B C D
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
INTERPRET GEOMETRIC TOLERANCING PER: ANSI Y14.5M 1994
MATERIAL
DRAWN
ENGINEER
DATE
NAME
TITLE:
SIZE
B
DWG. NO.
REV
WEIGHT:
SCALE: 1:2
UNLESS OTHERWISE SPECIFIED:
J
S.D S.D
12/05/05
DRAWING, CONTROL
SHEET 1 OF 1
940-V8
DO NOT SCALE DRAWING
THIRD ANGLE PROJECTION
HACH COMPANY
5600 LINDBERGH DR. LOVELAND, CO. 80539
NOTICE--HACH COMPANY CLAIMS PROPIETARY RIGHTS IN THE INFORMATION DISCLOSED ON THIS DRAWING. IT IS ISSUED IN CONFIDENCE FOR ENGINEERING INFORMATION ONLY AND MAY NOT, IN WHOLE OR IN PART, BE USED TO MANFACTURE ANYTHING, WHETHER OR NOT SHOWN HEREON, REPRODUCED OR DISCLOSED TO ANYONE WITHOUT DIRECT PERMISSION FROM HACH COMPANY.
940, 120 VAC
DIMENSIONS ARE IN INCHES TOLERANCES: .X =
.03
.XX =
.01
.XXX =
.005
ANGLES =
.25
Jeff Archer
09-561
J
APPROVED
DESCRIPTION
REV
REVISION