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USER MANUAL
4.3.3 Calibration options for the turbine meter
Daniel offers a standard six-point calibration (from 10% to 100%); or can provide other
customer requested calibration data.
Table 4-2: Standard calibration for a Daniel Liquid Turbine Meter
Calibration type Description
Linearity NPS 3-24 ± 0.15%: Standard
NPS 3-24 ± 0.10%: Premium
NPS 3-24 ±0.07%: Premium
Repeatability ± 0.02%
4.3.4 Preamplifier power requirements
Table 4-3: Preamplifier power requirements
Power requirement
type
Description
Pickoff • Type: 2-wire reluctance
• Resistance: 600-900 Ohms
• Inductance: 250 mH max
• Output: Sinusoidal 40mV p-p minimum @ minimum flow with
preamplifier load
• Optional: 2, 3* or 4* pickoff coils *with dual LME
Dual channel
preamplifier
Inputs Supply voltage: 10-30 VDC
Sensor type: Reluctance
Signal: Sine wave
Preamplifier sensitivity: 40 mV peak to peak minimum
Temperature range: -40 ºC to 85 ºC (-40 ºF to 185 ºF)
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.
User manual Prepare the turbine meter for use
P/N 3-9008-515 March 2019
User manual 63
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