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> B+k precision 1823 universal counter
B+k precision 1823 universal counter
* Eight digit display provides up to 0.1 Hz resolution
* Period mode provides greater accuracy at low frequencies
* Ratio mode combines two input frequencies and displays their ratio
* Totalize mode and Time interval mode add versatility
* Selectable attenuators and low-pass filter prevent miscounts due to input noise
Frequency, Totalize, Period, Time Interval, Ratio
50kHz to 175MHz, 50MHz to 175MHz sinewave
+-1 count +- 1 time base error
Manual reset and hold from the front panel START/STOP jack is low
100 mV rms, 125 MHz to 150 MHz
150 mV rms, 150 MHz to 175 MHz
100 kHz, -3 dB switch selectable
Less 1 ppm with +- 10% line volt variation
+- 1 ppm (from 0 0 C to 28 0 C) 0 0 C to 50 0 C ambient, +-0.5ppm from 18 0C to 28 0C
0.56'' seven segment LED - 8 digits
For kHz, MHz, usSEC, Gate, and overflow indicators
Instruction Manual, all models; AC adapter for model 1803D
AT-21 antenna kit, PR-37A x1/x10/REF. Probe
