Seametrics AG90 Quick Start Manual
Precision Flow Measurement
I
An ON
CON Brand
Check Components
AG90 Propeller Replacement
Quick Start Guide
Meter with Indicator
and hinged cover
Gasket
Saddle Assembly
(Packaged Separately)
Cable Gland
Recommended Tools
Recommended:
• 3/32” or 2.5mm (small) at head screw driver
• Crescent Wrench
• 5/32” Hex Key
Display Security Seal
Security Tab
Optional:
• Channel locks
• 6” Strap Wrench
Security Clip & Seal
(Security Clip has small hole for seal wire)
Optional
Power/Output Cable
Warnings
• Conrm that U-clip retainer is installed and never remove the
U-clip retainer when pipe is under pressure—may result in
serious injury.
• Saddle bolts must be tightened evenly. Do not over tighten.
• Install security seals during installation if regulations require.
• Improper sealing of cables or cable glands will void warranty.
253.872.0284 Page 1 of 4 seametrics.com
Refer to instruction manual for further details.
• Ensure proper grounding when required.
• Programming pipe ID, pipe insertion hole size and straight pipe
conguration is required for the meter to read.
• To prevent tampering or changes to the program, after initial
set-up, either enter a security pass-code, or remove the display
lid and place a security tab over one of the arrows before
installing the housing security seal.
Positioning
Flow
AG90 Propeller Replacement
Quick Start Guide
Choose a position that will ensure a full pipe.
Choose a position that will minimize ow distortion.
Flow
*10X/5X
2X
Upstream straight pipe is selected during initial setup. Upstream
Side (3 o’clock) and top
(12 o’clock) installations
are acceptable.
options are 5X or 10X the diameter and are based on the
amount of straight pipe available in either new or propeller meter
replacement installation. Downstream straight pipe requirement
is 2X the diameter. See programming setup for details.
Flow Straightening Vanes/Conditioners
1. If you have the bolt-in, 3-vane style they may be removed or left in place. They do not aect performance.
2. If you have the 6-vane, bolt-in style with a cone, it should be removed.
3. For 6-vane, weld-in style installed in a spool, turn the spool 180° and reinstall with the vanes behind the meter.
4. Orice, tube or Vortab style conditioners will not aect performance.
BEFORE INSTALLING measure & record inside diameter (ID) of pipe.
1. Clean the mounting surface, removing
any roughness which would prevent
the gasket from sealing. Place gasket
centered over pipe opening.
4. Place the saddle clamps under
the pipe and align with the clamp
guides on the saddle top.
2. Place saddle top over gasket. 3. Make sure saddle top covers entire
gasket.
5. Place saddle plates over saddle
clamp threads. Attach nuts and
tighten as shown below. Torque to 75
ft-lb in cross pattern.
th
4
nd
2
st
1
rd
3
6. Insert the AG90 sensor into the saddle
tting and secure with mounting clip or
attach security clip and seals if required.
Seametrics • 19026 72nd Avenue South • Kent, Washington 98032 • USA
(P) 253.872.0284 • (F) 253.872.0285 • 1.800.975.8153 • seametrics.com
LT-14494 r2.1-20190417
4/17/2019
Loading...