191054 1054 - Phidget Frequency Counter

1054 - Phidget Frequency Counter

Scheda USB per la misura della frequenza di segnali sia analogici che digitali. Misura segnali centrati sullo zero con un'ampiezza minima di 110mV picco-picco. Misura i livelli logici (3.3V e 5V):
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Prezzi IVA inclusa
€ 100,10 Prezzo
€ 82,05 + VAT

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Product Features

  • Measures the frequency of an analog or digital signal
  • Measures zero-centered signals with a minimum amplitude of 110mV peak-to-peak
  • Measures logic-levels (3.3V and 5V)
  • Connects directly to a computer's USB Port

 Product Description

the 1054 - PhidgetFrequencyCounter is designed to count events from an analog signal over time and calculate a frequency from it. The product can count a logic level or signal centered around zero volts. Signals with a different ground can be counted, provided they are within the common mode range (+-10V).

The Frequency Counter can also power small devices, such as Hall Effect, flow rate sensors, tachometers, and other sensors.

The PhidgetFrequencyCounter contains two channels to sense two different inputs. Each channel has two different circuits to sense for logic level-frequencies or zero-centered frequencies. The measurable frequency is accurate to 0.25% up to 1MHz. The Frequency Counter may measure frequencies past 1 Mhz, but the input voltage specifications will not hold.

The PhidgetFrequencyCounter can measure frequencies down to ~ 0.01Hz. However the response time of these measurements is directly related to the frequency, thus it could take 1 or 2 periods(100-200s) to detect the input frequency.

 Comes packaged with

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Product Specifications
 

Number of Channels 2
Operating Temperature 0 - 70°C
USB Voltage Range 4.75 – 5.25VDC
USB Current 42mA
Max Output Current (using +5V from terminal block) 450mA

 

Input Impedance 332 KOhm / 30pF
Frequency Error 0.25%
Maximum input frequency 1MHz
Common Mode Input Range vs GND -6.25 – 10.25VDC
Maximum Input Voltage (measured to ground) ±20V

 

Zero Centered Input Hysteresis Band ±30mV
Minimum Input Voltage @ 1mHz, Zero-Centered Input 400mVpp

 

Logic Input, Logic Level 0 Voltage 0.8V
Logic Input, Logic Level 1 Voltage 3V

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