Dwyer TM2 - Manual

Series TM2 Digital Rate Meter & Totalizer
Specifications - Installation and Operating Instructions
Bulletin F-41-TM2
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]
Monitor flow rate or total flow with Model TM2 Flow Totalizer.
Unit features a four digit flow rate display and an eight digit total-
izing display with a programmable, five position decimal point.
Easily toggle between rate and total with front-panel push-button.
Use scaling factor to define flow rate in engineering units such as
mL/min, L/min, or gal/hr.
Section I. UNPACKING YOUR DISPLAY
Checking for external damage to shipment
Your Model TM2 Display was packed by the manufacturer in
such a way that you should receive it with no damage. If external
damage is noted upon receipt of the package, please contact the
shipping company (not Dwyer Instrument, Inc.) immediately.
Dwyer Instruments, Inc. will not be liable for damage to the
meter once it has left the manufacturing premises.
Unpacking the display
After external inspection of the product, proceed to open the
package from the top, taking care not to cut too deep. Remove
all documentation (if any) resting on top of the packing peanuts.
Inspect all products for concealed shipping damage. If damage
is noted, please contact the shipping carrier and/or Dwyer
Instruments, Inc. to resolve the problem.
When unpacking the products from the shipment, please take
care to remove all products from the box. check thoroughly for
extra cables, power adapters, and other options listed on the
packing slip, if any.
Cautions against damaging the unit
Any damage inflicted on the display by the customer will not be
repaired under warranty by Dwyer Instruments, Inc. See Section
6 for more information.
SPECIFICATIONS
Input: 7.5 VDC max. pulse.
Accuracy: ±0.2%.
Input Impedance: 27 k Ω at 3 VDC.
Totalizer Type: UP count.
Rate Indication Type: Frequency.
Count Input Speed: 10 kHz @ 50% duty cycle.
Totalizing Range: 0.0001 to 100.0000 with five position
decimal point.
Rate Indication Range: 0.001 to 9999 (five position decimal
point).
Update Time: 0.7 seconds.
Display: 8-digit LCD, 7/16" H.
Temperature Limits: 32 to 131°F (0 to 55°C).
Housing Material: Cycolac X-17.
Power: One 3V lithium battery (included).
Average Battery Life: Approximately 5 years.
Weight: 1 Ib (0.5 kg).
Agency Approvals: CE.
1-17/32
[38.89]
2-31/32
[75.41]
1-37/64
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1-1/8
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