16
SPECIFICATIONS
Accuracy
*
±0.5% of the true flow at any point within the
linear range of the turbine flowmeter.
Linearity
*
±0.5% of the mean K- factor throughout the
linear range.
Repeatability
*
±0.1% of the indicated flow throughout the
linear range.
Response Time - ½ to 2 in
2-5 milliseconds for step change in flowrate.
Frequency Output
(Over the linear range)
½ in. (051): 125 - 1000 Hz
½ in. to 2 in: 100 - 1000 Hz
Voltage Output - ½ to 2 in
Approx. 100 mV @ 100 Hz to
1.0 Volt (r.m.s.) @ 1000 Hz
Maximum Overage
Up to 125% of maximum flowrate for
intermittent periods.
Standard Materials of Construction
Housing
316 Stainless Steel
Rotor
CD4MCu Stainless Steel
Shaft
Tungsten Carbide (standard)
316 Stainless Steel (optional)
Rotor Supports
316 Stainless Steel
Sleeve Bearings
Tungsten Carbide (standard)
PTFE (optional)
Thrust Bearings
Tungsten Carbide (standard)
316 Stainless Steel (optional)
Retaining Rings
302 / 316 Stainless Steel
*
Data based on water calibration @ 77°F (25°C).
Materials of Construction
Industrial turbine flowmeter shown here.
Figure 9
