
Strips have no expiration date (yes they do have an expiration date) and take 90 seconds to read. Prefer instant reading.

Portable digital multimeter with sound continuity and thermocouple (electric tester) LTX DT-838
7 Review

TDS water quality tester - TDS water hardness meter (portable digital salt meter for water analysis)
9 Review

π― Honey Refractometer with Automatic Temperature Compensation (ATC) - Tiaoyeer Moisture, Brix, and Baume Refractometer for Honey, 58-90% Brix Scale Range - Honey Moisture Tester
31 Review

80 Pieces Water Test Litmus Strips Litmus ph Paper Soil Acidity Meter Liquid pH Tester 1-14
10 Review

π§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review

π Dioxide Controller for Digital Gas Monitoring
5 Review

π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review

π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review