PIE Model 541 – Frequency Read & SourceCalibrator with Totalizer. Includes wire kit,
carrying case and FREE NIST Traceable Certificate of Calibration
Frequency Read & SourceFunctions
Accuracy ± 0.005% of range
Source and Read
Six Ranges 1 count per hour to 20.000Khz
Calibrate Totalizer input and outputs from 1 to 99999
Count Pulses 1 to 99999
LED indicator for gate time
Read Function
Read a wide range of Frequencies and Waveforms
Read 50mV to 120V peak
Read signals from Flowmeter pickups, Velocity and
Motion Detectors
Totalizers
Source Function
Sine and Square waves, Zero Basedand Zero Crossing
Frequency from 1CPH to 20 KHz
Adjustable amplitude from 100mV to 12Volts peak-to-peak
Simulates Vibration Pickups, Variable Speed Drives and more
Calibrate Totalizers
Output a number of pulses from 1to 100 minutes
Gate Trigger Indicator
The LED flashes in synch with theoutput frequency. This allows easy adjustment of the
attenuation for proper gate triggering.
Full 5 Digit Display
True ±0.005% of range accuracy
Bar graph for quick reference of trigger level and output levels, 5% of frequency range
High contrast graphic display viewable in all lighting conditions and angles
EZ-DialKnob
Change the speed of dialing yourtest point by just pushing down on the knob
EZ-CheckSwitch
Stop watch style push button foraccurate totalizer measurements and for high and low readings
Uses a standard 9V AlkalineBattery
Superior battery life of 24 hoursunder typical continuous usage
Easy access to battery compartment
240 VAC Tolerant
Fuse-less protection fromaccidental misuse
Lightweight and rugged with asolid feel
Convenient Velcro® hand strapallows for a firm confident grip or attachment to pipes and ladders.
Description
The Practical InstrumentElectronics Model 541 is the best tool for calibration, test, and diagnosing
turbine meters, frequency counters, vibration systems, tachometers, vortexshedders, integrators,
and any other Frequency devices in the shop, plant and/or field. The Model 541brings all the features
you would expect from a frequency calibrator and timesaving new ones. The model541 comes with an
LED indicator showing gate time for easy trigger level adjustment. Makeadjustments with the EZ-Dial
Knob or test limits with the dual action EZ-CheckSwitch. Save hours of troubleshooting
time on problems when compared to other calibration methods. When calibrating atotalizer,
the model 541 eliminates the need of a stop watch. This calibrator willautomatically
stop when the selected
number of pulses has been sent to the totalizer.
General Specifications:
(Unless otherwise indicatedall specifications are rated from a nominal 23 °C, 70 % RH
for 1 year from calibration)
Operating Temperature Range -20 to 60 °C (-5 to 140 °F) Storage Temperature
Range -30 to 60 °C (-22 to 140 °F)
Relative Humidity Range 10 %≤RH ≤90 % (0 to 35 °C), Non-condensing
10 % ≤RH≤ 70 % (35 to60 °C), Non-condensing
Size 7.00 X 3.30 X 2.21 inches (177.8 x 83.8 x 56.1mm)
Weight 12.0 oz (340 grams)
Battery 9V Alkaline
Miscellaneous Low batteryindication with nominal 1 hour of operation left
Over-voltage protection to 120Vrms (rated for 30 seconds) or 240 Vrms
(rated for 15 seconds)
High contrast graphic liquidcrystal display with 0.45″ (11.4 mm) highdigits
Common Specifications for allFrequency Modes:
Frequency Ranges 1CPH to 20.000KhzAccuracy ± 0.005% of range
Temperature Effect ≤ 10ppm/°C of range
Frequency Ranges Specifications:
1 CPH< CPH Range < 20000 CPH
0.1 CPM (0.0167Hz)< CPM Range < 2000.0 CPM (33.33Hz)
0.01Hz < Hz < 200.00Hz
0.1Hz < Hz Range < 2000.0Hz
0.001KHz < KHz Range < 20.000KHz
Totalize inputs/outputs from 1 to 99999 counts in 0.1 minutes to 100.0 minutes
Calibration Certificate
NIST Traceable Certificate provided
Option: Test data available upon request at additional charge.
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