HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy

Inno-Maker LA2016 USB Logic Analyzer Full 16 Channels 200MHz Sampling Rate with The English PC Software Handheld Instrument, Support Windows (32bit/64bit),Mac OS,Linux

Apogee MQ-200 PAR Quantum Separate Sensor with Handheld Meter

Hantek 1008B 8 Channels Automotive Diagnostic Oscilloscope/DAQ Card/ 8 Channels Programmable Generator

PicoScope 2204A

Hantek2D42 Handheld Oscilloscope 40MHz Waveform Generator Multimeter 3 in 1 Multifunction Tester 2CH+AFG+DMM

Oakton AO-00653-18 Oakton Conductivity and TDS Standard, 1413 Μs; 500 mL

Signstek Nano ARM DS212 Portable Mini Handheld Digital Storage Oscilloscope

YEAPOOK Handheld Portable Mini Digital Oscilloscope 2050h Oscilloscope Kit with 5MHz Bandwidth 20MS/s Sampling Rate (ASD2050h)

TPI 440 Single Input LCD Oscilloscope with True RMS digital Multimeter, 7.2V AA x 8 NiCad Battery, 1MHz Bandwidth

Pico 2205A PicoScope 2 channel + AWG, 25MHz, Includes probes

Oakton AO-00653-16 Oakton Conductivity and TDS Standard, 84 Μs; 500 mL

Analog Discovery Systems Kit: USB Oscilloscope & Logic Analyzer

OWON SDS1102 Oscilloscope 2-Channel Digital Oscilloscopes 100MHZ Bandwidth 1GS/s

Hantek 2C72 Handheld Oscilloscope 70MHz Multimeter 2CH+DMM 2 in 1 Multifunction Tester

Quimat Updated 2.4" TFT Digital Oscilloscope Kit with BNC-Clip Cable Probe Q15001O (Assembled Finished Machine)

OWON VDS1022 Virtual USB Oscilloscope 100MSa/S 25MHz Double Channel PC Oscilloscope USB Analyzer Meter

Gravity: Analog Electrical Conductivity Sensor/Meter V2 (K=1)

JYE Tech DSO Shell Oscilloscope DIY Kit，Kuman Oscilloscope DIY Kit with Open Source 2.4 inch Color TFT LCD+ Shell + DIY Parts + Probe 15001K (SMD pre-soldered)

Oscilloscope Kit, KKmoon DSO138 2.4" TFT Handheld Pocket-size Digital Oscilloscope Kit DIY Parts SMD Soldered Electronic Learning Set 1Msps

STARTO Handheld Digital Oscilloscope Kit 2.4" TFT with BNC-Clip Cable Probe and Power Supply (Assembled Finished Machine) SQ15001 (White)

Proster Oscilloscope Multimeter 4000-Count Intelligent Oscilloscope Automatic Waveform Capture Function Multimeter Analog Bar Graph 200k High-speed A/D Sampling 5 KHz-500 KHz Frequency

Pinpoint ORP Meter KIT Lab Grade Portable Bench Meter Kit for Alkaline/Hydrogen-Rich/Ionized/Kangen Water - Complete 7 Piece Set

SIGLENT SDS1204X-E Super Phosphor Oscilloscope 4-channel 200 MHz 1 GSa/s 14 MB

Siglent SHS806 Handheld Oscilloscope, 60MHz, 2-Channel, Multimeter Mode, 5.7" TFT-LCD Display

JYETech 'DSO Shell' Oscilloscope DIY Kit w/Enclosure & Clip Probe by NooElec. Low Cost Digital Storage Oscilloscope with 2.4" TFT LCD. Model DSO150 (DSO 150); SKU 15001K

Oakton AO-00606-10 Oakton Conductivity and TDS Standard, 12,880 Μs; 500 mL

Myron L 6PIIFCE Conductivity, Resistivity, TDS, pH, ORP/Free Chlorine, Temperature Meter

Oscilloscope Kit, KKmoon KKmoon 2.4" TFT Digital Oscilloscope Kit with Power Supply and BNC-Clip Cable Probe DS0150 (Assembled Finished Machine)

Oakton EcoTestr CTS Pocket Conductivity, Salinity, and TDS Meter

Signal Generator, KKmoon High Precision Digital DDS Dual-Channel Signal Source Generator Arbitrary Waveform Frequency Meter 200MSa/s 25MHz

Fluke 123B Industrial ScopeMeter hand-held Oscilloscope, 2 input channels, 20 MHZ bandwidth

Hanna Instruments HI98304 DIST4 EC and TDS Tester, 19.99 mS/cm, 0.01 mS/cm Resolution, +/-2% Accuracy

YEAPOOK Handheld Digital Mini Oscilloscope 5012h Portable Professional Oscilloscope Kit with 100mhz Bandwidth 500MS/s Sampling Rate 2.4'' TFT LCD Display

Oxygen Meter, KKmoon Oxygen Meter Digital Portable Automotive O2 Gas Tester Monitor Detector Handheld Oxygen Meter

Quimat Pocket-Size Digital Oscilloscope Kit Open Source 2.4" TFT 1Msps with Probe and Protective Case, Welded Version (Case Needs to be Assembled)

Hantek 1008C 8CH Automotive Diagnostic PC Oscilloscope 2.4MSa/s USB 2.0 bandwidth 100K Program Generator

Milwaukee MA9071 Oxygen Electrolyte Solution, 220 mL for SM600

Quimat Updated 2.4" TFT Digital Oscilloscope Kit with Power Supply and BNC-Clip Cable Probe Q15001 (Assembled Finished Machine)

SIGLENT SSA3021X Spectrum Analyzer 9 kHz up to 2.1 GHz w/ Tracking Generator

Testo Extendable Tripod with Wheels