Extech RF20 Portable Salinity Refractometer (0 to 100ppt)

Extech RF20 Portable Salinity Refractometer (0 to 100ppt)Extech RF20 Portable Refractometers Portable Refractometers Measure the concentration of Sugar, Salt, Lubricants, Antifreeze, Cutting Fluids & more Available with or without Automatic Temperature Compensation Key Features: Easy to operate refractometers provide accurate and repeatable measurements on easy to read scales Automatic temperature compensation models available for sugar, salt, lubricants, cutting fluids, and antifreeze Requires only 2 or 3

Smart chip predicts pH electrode performance with "RENEW" indicator when replacement is needed

Memory stores up to 32 readings for easy recall

The Model 500 is auto-ranging

replacement membrane cap

Dual Laser Targeting indicates ideal measuring distance when two laser points converge to 1” target spot

Extech BT100 - Battery Capacity Tester

The MN255 is a high sensitivity probe with voltage outputs (100mV/A and 10mV/A) and combine two switch-selectable ranges of 20A and 200A

Combination Humidity meter plus InfraRed Thermometer features a super large backlit dual display

75" (45mm) display

Type K thermometer built-in for temperature measurements

Sensor length is 24"

For use on 50/60Hz circuits