8037 3.7GHz Frequency Counter

Origin	Republic of Korea
Model Number	8037
Brand Name	DAGATRON

Features

• Frequency measuring range ; 0.1 Hz to 100 MHz in A input 80 MHz to 3.7 GHz in C input
• Period, Total and RPM measurement for input A
• 9-digit display with 0.01 mHz resolution in 1 Sec(By Ext. reference signal)
• RS-232C serial interface function for communicating with computer
• High sensitivity External reference input function (1.5 Vrms)
• Reciprocal technique for high resolution at low counting frequencies
• Self check function executed to perform automatic self diagnosis of various counter function
• Push-scanning for selecting Function and Gate time
• Low-pass filter (100 kHz, -3 dB) installed for removing noise signal in low frequency measuring
• AC/DC coupling function (Selectable AC/DC Coupling )
• 10:1 Input Attenuation (Selectable x1/x10 Attenuator )
• Data hold function

Specifications

Function		Specifications
Display		9 digit large green LED display , Overflow , Gate time, mHz, Hz kHz, MHz, nS, uS, mS, S, HOLD
Frequency measurement	Range	0.1Hz to 100MHz(A input), 80MHz to 3.7GHz(C input)
	Gate Time	0.01Sec, 0.1 Sec, 1 Sec, 10 Sec
	Resolution	1 nHz to 10 Hz
	Accuracy	± Resolution ± Timebase Error ± 1 Count
Input characteristics	Terminal	A, C
	Sensitivity	A Input: 30mVrms, C Input: 10mVrms(80MHz-2.0GHz), 20mVrms(2.0GHz-3.0GHz) 30mVrms(3.0GHz-3.2GHz), 40mVrms(3.2GHz-3.5GHz) 70mVrms(3.5GHz-3.7GHz)
	Impedance	A Input: 1 Mohm, Less than 40pF, C Input: 50 ohm
	Max. input voltage	A Input: 250Vrms, C Input: 3Vrms
	Attenuator	A Input: x1, x10
	Low pass filter	A Input: 100 kHz, -3dB
Multi function for input A	Period	Range: 10nSec to 10Sec Resolution: 1pSec to 1nSec depending on gate time and Input signal Accuracy: ± Resolution ± Trigger error ± 1 count
	Totalize	Range: DC to 30 MHz Count capacity: 0 to 999999999(Max.)
	RPM	6 RPM to 600 x 107 RPM
Timebase characteristics	Internal timebase	Frequency: 10MHz TCO(TCXO; option) Aging Rate: Less than 5 x 10-6/month Temp. Stability: Less than 5 x 10-6(0°C to +50°C) Line Voltage: Less than 1 x 10-6 for 10% variation
	Frequency standard output	Frequency: 10 MHz Amplitude: 1.5 Vp-p Impedance: Approx. 600 ohm
	External standard input	Frequency: 10 MHz Amplitude: 1.5 Vrms to 5 Vrms Impedance: Approx. 600 ohm
General	Power requirement	115V or 230 VAC ±10%, 48 to 66Hz
	Operating temperature	0 to 50°C (Accuracy specified at 23 ± 5°C)
	Dimension	240(W) x 270(D) x 90(H) mm
	Weight	Approx. 2.5 kg
	Standard accessories	Power Cord, RG58 cable (BNC-BNC), Fuse, Instruction Manual
	Optional accessories	RS-232C Software & Cable, RG-400R/U cable (N-N)
Packing details		Q'ty	Size(mm)	N.W.(kg)	G.W.(kg)	Remark
	Inner packing	1	305(W)x330(D)x165(H)		2.5
	Carton packing	4	355(W)x645(D)x360(H)	10.0	11.0