Dwyer TTM - Manual

SPECIFICATIONS
Service: Compatible liquids.
Flow Range: 3 to 30 GPM (10 to 100 LPM).
Wetted Materials: Bearings: Ceramic; Shaft: Tungsten Carbide;
Rotor: Nylon 6-6; Rings: 316 SS; Body: TTM10, 11: Nylon 6-6,
TTM20, 21: Aluminum; Other: TTM20, 21: Ceramic Magnet.
Accuracy: ±5%.
Batch Total Maximum: 9,999.
Cumulative Total Maximum: 9,999.
Temperature Limits: 14 to 130°F (-10 to 54°C).
Pressure Limits: Nylon models: 150 psig (10 bar); Aluminum
models: 300 psig (20 bar).
Pressure Drop: 2 psi (0.14 bar) @ 30 GPM (100 LPM).
Maximum Particulate Size: 350 microns.
Display: 4-digit LCD, 5/8˝ H.
Auto Shut-off: After 1 minute.
Connections: 1˝ female NPT.
Power: Two AAA alkaline batteries (included).
Battery Life: Approx. 9,000 hours.
Weight: Nylon models: 0.4 lb
(190 g); Aluminum models: 0.7 lb (340 g).
Agency Approvals: CE.
NOTE: If using the Nylon meter for measuring water, it is not
recommended to install with metal connection or fittings. Install as
follows:
1. If necessary, remove nozzle from hose.
2. Wrap all connections with 3 to 4 wraps of Pipe Thread Sealant
Tape. Ensure the tape does not intrude into the flow path.
3. Attach meter to hose or plumbing with the arrow on the outlet
port pointed in the direction of flow.
4. If necessary, attach nozzle to meter.
5. hand tighten the meter at the housing ends. Do not use a
wrench or similar tools to tighten the meter housing. The housing
may be damaged.
Model No. Application Body Material Units
TTM10 Water* Nylon Gallons
TTM11 Water* Nylon Liters
TTM20 Fuels† Aluminum Gallons
TTM21 Fuels† Aluminum Liters
Series TTM Totalizing Flowmeter
Specifications - Installation and Operating Instructions
Bulletin F-41-TTM
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.DWYER-inst.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: [email protected]
Measure batch and cumulative totals in liquid transfer systems
with the Series TTM Electronic totalizing Meter. The meter is
designed for any pump, pressure, or gravity feed system with a 3
to 30 GPM (10 to 100 LPM) flow range. View batch and
cumulative totals on the large 4-digit LCD display. Batch totals can
be reset to measure flow during a single use. The cumulative total
will automatically reset to zero when a maximum reading of 9999
is obtained. Models designed for use in water applications are
constructed of Nylon and rated to 150 psig (10.3 bar). Aluminum
models are calibrated for fuels and rated to 300 psig (20.7 bar).
GENERAL INSTALLATION
Battery Connections
1. Remove the four Phillips-head screws and lift the faceplate from
meter.
2. Remove tape from the end of one battery.
3. Replace the battery. Make sure the positive post is in the
correct position.
4. Make sure the O-ring is fully seated and secure the faceplate
with the four screws.
Calibration
The meter is permanently factory calibrated for measuring water or
fuels depending on model. If installed and used correctly,
inaccuracies of no greater than ±5% will be obtained.
Installation
This meter may be installed in-line either vertically or horizontally or
at the end of a hose adjacent to a nozzle if present.
2-1/2
[63.5]
1˝ NPT
TYP
2-9/64
[54.37]
4-1/8
[104.78]
DISPLAY DWYER INSTRUMENTS, INC.
MICHIGAN CITY, INDIANA 46360 U.S.A.
ELECTRONIC
TOTALIZING METER
*Calibrated for use with water; †Calibrated for use with gasoline, diesel fuel and kerosene
F-41-TTM 2/27/07 10:06 AM Page 1