The welcome screen
"Committed to Excellence"
TDS 310 Digitizing Oscilloscope (FV:v2.02)
(c) Copyright, Tektronix, Inc., 1993.
All rights reserved.
Power-On self check PASSED
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I’ll have to buy pair probes that matches with the scope. According to specification of the scope, input impedence is 1 Mohm (plus minus 2%), capacitance is 20pF (plus minus 2pF). The original probe is P6109B 10x 100MHz.
Bandwidth Megahertz (MHz): 100
Comp. Range Picofarads (pF): 15 to 35
System Input Resistance (MΩ): 10
Typical Input C Picofarads (pF): 13
Input RMS CATI CATII (Volts): 400 VRMS CAT I, 300 VRMS CAT II
Scope/Product: 2211, 2221, 2224, 2230, 2232, 2235A, 2236A, 2245A, 2246A, 2247A, 2252, TAS455, TAS465, TAS475, TDS310, TDS320, TDS340, TDS340A
Genuine Tektronix probe is around $200 which is more expensive than this 22 years old scope. It’s a quite intriguing fact.