Bandwidth 70MHz. 2 analog channels. 5 M record length on all channels. of Channels 2. USB 2.0 host port on the front panel for quick and easy data storage. During that process you will be issued with an RMA number.
eBay
5 in 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter for Pools Aquariums Water Backlight Quality Detector
Aliexpress UK
The power button top cover is missing,also,the channel "1" socket is snapped(check photos). There's no power lead or any other accessories with it.
eBay
Digital PH Meter 7 In 1 PH/ORP/EC/TEMP/SALT/S.G/TDS Water Quality Tester High Precision Water Purity Tester for Drinking Water
Aliexpress UK
Tektronix Oscilloscope Digital Storage, 40MHz, 500MSa/s, 2-CH. USB 2.0 Device Port on Rear Panel for Connection to PC or Printing to PictBridge®-compatible Printer. USB 2.0 Host Port on the Front Panel for Quick and Easy Data Storage.
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7 In 1 PH Meter ORP Meters TDS Salinity Testers EC Temp Detector Water Quality Monitor Test Tool Filter for Pool
Aliexpress UK
(Excluded.).
eBay
Digital TDS PH Meter Temperature Tester pen 3 In1 Function Conductivity Water Quality Measurement Tool Tester 0-19990ppm
Aliexpress UK
Removed Form TDS5054BE Tested And Working Machine! Digital Phosphor Oscilloscope. We can't declare a lower value than the real item value unless it was discussed and. material for fragile content.
eBay
Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S.G TEMP CF Monitor Meter Aquarium Water Quality Data Logger Detector Pool Spa Tester
Aliexpress UK
The TDS 300 Series redefines the low-cost digital oscilloscope. They are the only scopes in their class that can reliably acquire high-speed transient or single-shot events to their fastest sweep speed.
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Real-time Measurement of Drinking Water Household Water Quality Instrument TDS Water Quality Detection Pen Intelligent
Aliexpress UK
Tektronix TDS7404. The edge trigger does not work on CH1 or CH2, however complex trigger works fine on CH1 and CH2. Includes four of the SMA input detector modules, which are required for anything over 500MHz.
eBay
2pcs TDS PH Meter Digital Water Tester 0.01ph High Accuracy PH Meter 0-9990ppm Temperature TEMP PPM Tester
Aliexpress UK
Tektronix TDS 3054 Oscilloscopes Bandwidth:500MHz Sampling rate: 5Gs/s Channels: 4 Tested working ✅ Does not come with probes and cables. Calibration can be arranged for £120 Local collection: Gloucester
eBay
Digital PH /TDS/ EC Meter Tester Thermometer Pen Water Purity PPM Filter Hydroponic for Aquarium Pool Water Monitor 40% Off
Aliexpress UK