Data Sheet Frequency Counters Models 1823A, 1856D Model 1823A Model 1856D The 1823A and 1856D are reciprocal 2.4 GHz Specifications 1823A 1856D and 3.5 GHz frequency counters that are Range 0.1 Hz - 2.4 GHz 0.1 Hz - 3.5 GHz microprocessor controlled. Their LED displays Frequency can provide up to nine digits of resolution using Totalize an external time base with a 10 s gate time. The high accuracy, sensitivity, and versatility of these Period counters make them an extremely valuable Time Base Stability 1ppm instrument to scientists, engineers, and Best Resolution 1 nHz communications technicians for a broad spectrum No. of Digits 9 of laboratory and service applications. Display Hold Low Pass Filter Features and Benefits 250 mV (0.1 Hz - 1 Hz), 30 mV (0.1 Hz - 100 MHz), 1PPM Time base stability 30 mV (1 Hz - 100 MHz), 15 mV (80 MHz - 2 GHz), Sensitivity 50 mV (80 MHz - 150 MHz), 20 mV (2 GHz - 3.0 GHz), Trigger level function (1823A only) 50 mV (150 MHz - 2.0 GHz), 30 mV (3.0 GHz - 3.2 GHz), Frequency ratio measurement function 60 mV (2.0 GHz - 2.4 GHz) 50 mV (3.2 GHz - 3.5 GHz), (1823A only) Remote Interface RS232 Time interval measurement function Self-Test (1823A only) Time Interval Measurement - RPM measurement function (1856D only) Frequency Ratio Measurement - External frequency standard input AC Input 115/230 V (50/60 Hz) Bright LED display Weight 5.5 lbs (2.5 kg) Attenuator Period Dimensions (W x H x D) 9.4 x 3.5 x 10.6 (239 x 89 x 269 mm) Total One-Year Warranty Low pass filter Line filter RS232C Interface Technical data subject to change www.bkprecision.com B&K Precision Corp. 2014 v051115X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Frequency Counters category: Click to view products by B&K Precision manufacturer: Other Similar products are found below : 3.060.200.383 HK46.55.230VAC/50HZ + HK46DIN HK47.C.10-80VDC 3.130.251.071.056 3.220.401.085 3.223.401.075 3.223.401.351 3.240.201.075 3.242.201.075 3.245.201.351 TFG-3610E TG5012A AX-DG105 AX-DG2010AF 3.100.200.383 3.130.251.075.056 BZ1224 BZ220A 3.220.401.351 3.241.201.351 3.242.201.351 3.245.201.075 3.474.901.075 3.474.911.373 DDS-3X25 0.135.200.373 TF960 TFG- 3620E 0.170.000.351 TGF4162 TGF4242 GFG-3015 + RS232 HK30.G.48.230VAC/50HZ HK30.G.48.24VAC/50HZ 0.135.200.302 1856D 53210A/903 BG4017-1248 BW4018-23050 BW4018-2450 BW7089-23050 190.003 BW4018-23060 MFG-2230M AFG-2012 AFG-2105 AFG-2112 AFG-2225 TGF4082 UTG1010A