MS16
0709
0006
POSITIVE DISPLACEMENT
FLOWMETERS
M1 SERIES INSTRUCTION MANUAL
TO THE OWNER
Please take a few minutes to read through this
manual before installing and operating your
meter.
Always retain this manual for future reference.
If you have any problems with the meter, refer
to the maintenance and trouble shooting
sections of this manual.
This manual contains connection and operating
instructions for the meters. If you need further
assistance, contact your local representative or
distributor for advice.
This Flowmeter has incorporated the oval rotor
principal into its design.
This has proven to be a reliable and highly accurate
method of measuring flow.
Exceptional repeatability and high accuracy
over a wide range of fluid viscosities and flow
rates are features of the oval rotor design. With low
pressure drop and high pressure rating means
oval rotor flow meters are suitable for both gravity
and pump (in-line) applications.
Flowmeters are manufactured in either PPS
(Polyphenylene Sulfide Resins) , Aluminium & 316
Stainless Steel.
Standard rotors are made from 316 Stainless Steel
with optional PPS rotors with Hastalloy C Shafts
available.
OPERATION
Before use, confirm the fluid to be used is compatible with the meter. Refer to Industry fluid
compatibility charts or consult your local
representative for advice.
To prevent damage from dirt or foreign matter it
is recommended that a Y or basket type 200
mesh strainer be installed as close as possible
to the inlet side of the meter. Contact your
local representative for advice.
PLEASE READ THIS INFORMATION
CAREFULLY BEFORE USE!
Note:
To prevent damage to the meter slowly fill the
system with fluid (this will prevent damage
caused by air purge).
Failure to do this could damage the meter.
To reduce pressure build up turn off the pump at
the end of each day.
INSTALLATION
1. Use thread sealant on all pipe threads.
2. Ensure the meter is installed so that rotor shafts
are always in a horizontal plane.
Flow is bi-directional.
3.The use of flexible connections is recommended.
4. Extreme care must be taken when installing
the meter. Pipe strain or over tightening meter
connections can cause meter damage.
PULSER DETAILS
Hall Effect Sensor Specifications
1 - 4.5V to 24V (4.6 ~ 9mA) operation needs only
an unregulated supply.
1 - Open collector 25mA output NPN (Current
Sink) compatible with digital logic.
1 - Reverse battery protection.
Reed Relay Specifications
1 - Two wire SPST N/O.
1 - Switching voltage 150VDC maximum
current 0.25 AMPS.
1 - Rating 3 watts.
1 - Duty cycle 20% on 80% off.
MAINTENANCE
Disassembly
1. Ensure the fluid supply to the meter has been
disconnected, and the line pressure has been
released before disassembly.
2. Remove four (4) screws (Item 3) and remove the
meter cap (Item 2).
3. Remove o-ring (Item 5) and inspect (replace o-ring
if damaged).
4. Remove rotors (Item 4), clean and inspect
(replace rotors if damaged).
Reassembly
1. Place rotors (Item 4) into the meter body. The
rotors should be at 90 degrees to each other.
Note: The rotor with magnets must be placed in the
body on the same side as the groove on the body
(refer to diagram).
2. Lightly rotate the rotors (Item 4) by hand (they must
rotate freely).
3. Install o-ring (Item 5).
4. Replace the meter cap (Item 2).
Note: The groove on the cover must line up with
the groove on the meter body (refer to diagram).
5. Replace four screws (Item 3).
CAUTION:
Care must be taken not to over tighten the screws
(Item 3) or damage may occur.
1 - Temperature -40dgr C / -40dgr F ~ 150dgr
C/ 300dgr F.
1 - Temperature -40dgr C / -40dgr F ~ 150dgr
C/ 300dgr F.
DISPLAY PARTS LISTING
Key:
u Indicates recommended Spare Parts to stock
Bold text indicates Stainless Steel Model Parts
METER SPECIFICATION
Item No. No off Rec. Parts Part or Set Part Description
(for order)
1 1 MS1R-1S Meter Body Assy. (BSP)
1 1 MS1R-1C Meter Body Assy. (BSP) Hastalloy C Shaft
1 1
MS1S-1S Meter Body Assy. (BSP) Stainless Steel
1 1 MS1R-2S Meter Body Assy. (NPT)
1 1 MS1R-2C Meter Body Assy. (NPT) Hastalloy C shaft
1 1
MS1S-2S Meter Body Assy. (NPT) Stainless steel
1 1 MS1AL-1S Meter Body Assy. (BSP) Aluminiun
1 1 MS1AL-2S Meter Body Assy. (NPT) Aluminium
2 1 u MS3R-S Meter Cap Hall Effect Sensor
2 1 u MS3S-S Meter Cap Hall Effect Sensor Stainless Steel
2 1 u MS3R-SR Meter Cap Reed Switch
2 1 u MS3S-SR Meter Cap Reed Switch Stainless Steel
3 4 u MS98S Screws
3 4 u MS113S Screws Stainless Steel
4 2 u MS6S Rotor Set
4 2 u MS6-1S Rotor Set Stainless Steel
5 1 u BS029VS O-ring (Viton)
5 1 u BS029PS O-ring (Perfluro Elastomer)
5 1 u BS029ES O-ring (EPDM)
Meter Type
SS & Ryton Models
Aluminium Models
Flow Ranges (Litre/hr or US Gall./hr)
Above 5 centipoise 2 to 100/0.53 to 26.4 2 to 100/0.53 to 26.4
Below 5 centipoise 5 to 100/1.32 to 26.4 5 to 100/1.32 to 26.4
Accuracy of Reading +/- 1% +/- 1%
Maximum Viscosity 1000 Centipoise 1000 Centipoise
Max. Operating Pressure Ryton Models 500kPa/75PSI/5Bar 500kPa/75PSI/5Bar
SS Models 1000kPa/150PSI/10Bar
Maximum Operating Temperature 80degrees C/176degrees F 80degreC/176degrees F
Pulse Type Hall Effect Sensor/Reed Switch Hall Effect Sensor/Reed Switch
Pulses per Litre/US Gullons 1000/3785 1000/3785
Meter Dimensions (Width x Height) 50 x 50 mm/1.97” x 1.97” 50 x 50mm/1.97” x 1.97”
Meter Dimensions Port Face to Face 65mm/2.58” 60mm/2.36”
Weight 600g/21.2oz 310g/11oz
Wetted Materials SS Models 316SS, Zirconia Bush 6061 Alum., 316SS, Ryton
Ryton Models Ryton, 316 SS, Zirconia Bush, Zirconia Bush
Hastalloy C
5500kPa/800PSI/55BAR
TROUBLE SHOOTING
WARRANTY
Macnaught Pty Ltd warrants that the Products will be free from any defects caused by faulty
material or workmanship for a period of Twenty Four (24) months from the date of sale of the
Products to the end user (the ‘Warranty Period’) PROVIDED THAT, during the Warranty Period:
1. Macnaught receives notice setting out full details of any defect in any product and details of the
time and place of purchase of the Product: and
2. the end user, at its own cost returns the Product to the nearest authorised Macnaught Service
Centre.
Macnaught shall, as its option repair or replace and Product found defective by its inspection or
refund the price paid by the end user for that Product.
Macnaught liability and the end user’s rights under this warranty shall be limited to such repair,
replacement or refund and, in particular, shall not extend to any direct, special, indirect or
consequential damage or losses of any nature.
Note:
This warranty does not form part of, nor does it constitute, a contract between Macnaught
and the end user. It is additional to any warranty given by the seller of the Products and does
not exclude, limit, restrict or modify the rights and remedies conferred upon the end user, or the
liabilities imposed on the seller, by any statute or other laws in respect of the sale of the Product.
Macnaught Pty Ltd
PO Box 90 Arncliffe NSW 2205 Australia
Telephone (02) 9567 0401
Facsimile (02) 9597 7773
Email: sales@ macnaught.com.au
Web: www.macnaught.com.au
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