7
1.2.3
Large Capacity Models
Model Prefix
080
080E
100
100E
Nominal Size
3”
(80mm)
3”
(80mm)
4”
(100m)
4”
(100mm)
Flow range
2
(USG/min)
10 ~ 200
13 ~ 260
20 ~ 400
40 ~ 660
Flow range
2
(L/min)
35 ~ 750
50 ~ 1000
75 ~ 1500
150 ~ 2500
Accuracy
(liquids
≥ 3cP)
± 0.5% of reading
(± 0.2% with optional RT14)
3
Repeatability
(liquids
≥
3cP)
Typically ± 0.03%
Temperature Range
-4
o
F ~ +250
o
F
(-20
o
C ~ +120
o
C)
4
Pressure Ratings – PSI
(Bar) – threaded meters only
5
Aluminium
175
(12)
175
(12)
145
(10)
145
(10)
Stainless Steel
175
(12)
-
-
-
Nominal Output Pulse Resolution – Pulses/USG
(Pulses/Litre)
Hall Effect
40
(10.65)
22.7
(6.0)
16.6
(4.4)
8.5
(2.24)
Reed Switch
10
(2.65)
5.7
(1.5)
4.15 (1.1)
2.1 (0.56)
Quadrature Hall Option
20
(5.33)
11.4
(
3.0
)
8.3
(2.2)
4.24
(1.12)
Minimum Filtration
40 mesh
(
350 micron
)
6
1.
OM008H meter have a nominal port size of ¼” (6mm)
2.
Maximum flow rate must be reduced with increased viscosity, maintain maximum pressure drop across the
meter at below 14.5psi (1 Bar)
3.
0.2% accuracy achievable using RT1
4 with non-
linearity correction and multi
-
point calibration.
4.
Temperature range stated for standard pulse output meters; higher
and lower
temperature rating options are
available. Meters fitted with integral instruments will have a reduc
ed maximum temperature. OM008 meters
fitted with PPS rotors are limited to
+176
o
F (+80
o
C).
5.
Flanged meter pressure rating is in accordance with applicable flange standard, or with threaded meter
rating, whichever is
lower.
6.
Filtration requirements are for so
ft particles only; hard particles of any size are not acceptable.
1.2.4
Electrical Specifications
Standard Pulse Output Board
Hall Effect Output
Output Type
NPN Open Collector
Voltage Range
5 ~ 24V (dc)
Current Draw
20mA Maximum
Switching Current
10mA Maximum
Reed Switch Output
Output Type
Contact Closure
Voltage
24V (dc) Maximum
Current
50mA Maximum
Recommended
Maximums for
Long Switch Life
5V (dc) @ 10mA
Reed Only Option (Intrinsically Safe Simple Apparatus)
Reed Switch Output
(per switch)
Voltage
24V (dc) Maximum
1
Current
16mA Maximum
2
Power
0.4W Maximum
3
1.
30V
(dc)
maximum peak voltage allowed for non
-hazardous (safe area) installations
2.
Up to 200mA possible with internal current limit bypassed (not recommended, safe area only)
3.
Up to 6W po
ssible with internal current limit bypassed (not recommended, safe area only)
