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SERIES 1200 LIQUID TURBINE METER
User manual
P/N 3-9008-513
Table 4-3: Preamplifier power requirements
Power requirement
type
4.3.5
Grounding
Ground the turbine meter electronics internally for safe operation. Connect a wire to the
chassis ground lug located inside the LME as the primary ground. A secondary ground is
located outside of the LME. Refer to
never be connected to chassis ground.
Figure 4-4: External ground lug
A. External ground lug
44
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(continued)
Description
Outputs
Powered pulse output:
•
Type: Square wave
•
Frequency range: 0 to 5 kHz
•
Amplitude: 0 to 5 V
•
1000 Ohm internal pull-ups, 20 mA, max.
Variable voltage output:
•
Type: Square wave
•
Frequency range: 0 to 5 kHz
•
Amplitude: 0 to Supply voltage
•
1000 Ohm internal pull-ups, 70 mA, max.
Figure 4-4
and
Prepare the turbine meter for use
September 2020
Figure
4-5. Digital grounds should
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