The featured frequency counter comes with a 9-digit display with 0.01MHz resolution by external reference. It offers both period and total measurement. This high-precision device is widely used in the testing of electrical or electronic products.  

• Measuring frequency: (8013/8023) 1.5GHZ, (8030/8030U) 3.0GHz, (8037) 3.7GHz.
• RPM measurement (8037, 8030, 8013 only).
• Time interval and ratio measurement (8030U, 8023 only). 
• Data hold function. 
• 10:1 input attenuation.
• AC/DC coupling function. 
• RS-232C serial interfacing function. 
• Reciprocal technique for high resolution.