Test, calibrate and diagnose an expanse of frequency devices efficiently with the PIECAL 541 Frequency Calibrator with Totalizer from Practical Instrument Electronics.
Equipped with the standard functions of a frequency calibrator, the PIECAL 541 hosts a range of innovative additional features. Trigger level adjustment can be quickly and easily executed with the LED indicator which shows gate time. Users can test limits with the dual action EZ-Check switch or make adjustments with the EZ-Dial test knob.
The 541 calibrator eradicates the necessity of a stopwatch as the calibrator automatically stops once the chosen number of pulses has been sent to the totalizer, saving both time and effort in a variety of applications.
Specifications
General Specifications: (Unless otherwise indicated all 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 to 60 °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 battery indication with nominal 1 hour of operation left Over-voltage protection to 120 Vrms (rated for 30 seconds) or 240 Vrms (rated for 15 seconds) High contrast graphic liquid crystal display with 0.45” (11.4 mm) high digits
Common Specifications for all Frequency Modes:
Frequency Ranges Accuracy Temperature Effect
1CPH to 20.000Khz ± 0.005% of range ≤ 10ppm/°C of range
Frequency Ranges Specifications:
1
1 CPH< CPH Range < 20000 CPH
2
0.1 CPM (0.0167Hz)< CPM Range < 2000.0 CPM (33.33Hz)
3
0.01Hz < Hz < 200.00Hz
4
0.1Hz < Hz Range < 2000.0Hz
5
0.001KHz < KHz Range < 20.000KHz
6
Totalize inputs/outputs from 1 to 99999 counts in 0.1 minutes to 100.0 minutes
Read Inputs Specifications:
Read
x1 attenuation range: 0.1Vpk to 12Vpk x10 attenuation range: 1Vpk to 120V peak – Limit of attenuation is 120Vpk
Input Impedance
> 1 Meg Ω + 100pF
Adjustable Signal Attenuation
Adjustable trigger level with X1 and x10 attenuation ranges
Miscellaneous
Battery life ≥ 24 hour typical
Fuse-less protection
240Vrms
Waveforms Source Specifications:
Output current
>6mApp at 12Vpp output, 20KHz
Output Impedance
< 25Ω
Square Wave:
Zero Crossing, Zero Based
Selectable
Rise/Fall Time
< 0.0001% of output Vpk per Second
Frequency Jitter
< 0.5LSB of frequency range
Duty cycle
50% ± 2%
Sine Wave:
Offset and Zero Crossing Symmetry
<± 10% of Vpk Output amplitude setting
Amplitude Adjustment
100mV < Nominal Output < 12Vpp ± 10% of setting
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