19
Meter Installation
Figure 4 Control Drawing 940-V1
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 4413
F.O.
MODEM INTERFACE
P/N 4443
F.O. MODEM
RS-232
OPTO-ISOLATED
INTERFACE
RS-232
OPTO-ISOLATED
INTERFACE
3-5v DC
3-5v DC
P/N 4274 SAMPLER
OPTO-ISOLATED
INTERFACE
NON-
CLASSISFIED
SAMPLER
TO SIGMA
1000
TO COMPUTER
10 FT 3.1m
6.56 FT 2.0 m
10 FT 3.1m
P/N 4738
-OR-
P/N 5254100
-OR-
P/N 4087
P/N 5254200
-OR-
MAX LENGTH
150 FT.
MAX LENGTH
150 FT.
CUSTOMER DEFINABLE LENGTH
P/N 4840 MODEL 940 FLOW METER
NONHAZARDOUS (CLASSIFIED)
LOCATION
HAZARDOUS (CLASSIFIED) LOCATION CLASS 1, DIV. 1, GROUP C.D
1. IF THE ELECTRICAL PARAMETERS OF THE CABLE ARE UNKNOWN, THE FOLLOWING DEFAULT VALUES MAY BE USED:
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,
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.
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:
L
S.D
S.D
12/05/05
DRAWING - CONTROL,
SHEET 1 OF 1
940-V1
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, 2ND AV
DIMENSIONS ARE IN INCHES TOLERANCES: .X =
.03
.XX =
.01
.XXX =
.005
ANGLES =
.25
Jeff Archer
09-561
L
APPROVED
DESCRIPTION
REV
REVISION
Summary of Contents for 911
Page 2: ......
Page 14: ...12 General Information...
Page 16: ...14 Getting Started...
Page 42: ...40 Meter Installation...
Page 44: ...42 Software and Communications...
Page 58: ...56 Sensor Installation...
Page 68: ...66 Maintenance...
Page 72: ...70 Replacement Parts and Accessories...
Page 76: ...74...
Page 88: ...86 Channel Installation Options...
Page 92: ...90 Batteries and Chargers...