A waterproof, pen-style pH meter that reads pH across the full 0.00-14.00 range with 0.01 resolution while simultaneously showing sample temperature o..

A pocket pen-type TDS meter that measures total dissolved solids in water with a single-touch button and a compact digital display. Built-in automatic..

A waterproof pen-type pH tester from the same family as Muya's other water-quality pens, measuring pH from 0 to 14 alongside live temperature on a bac..

A dedicated soil pH tester built on the same rugged pen-style body as Muya's water pH meters, but fitted with a pointed metal probe made for pushing d..

A palm-sized water quality meter with a dual-panel backlit LCD that logs pH readings from 0.00 to 14.00 and ORP readings up to +/-1999 mV directly ont..

This bundle pairs the R3000SD data-logging pH/ORP meter with a general-purpose pH electrode and a dedicated ORP electrode, ready to start testing out ..

Building on the base kit, this configuration adds the R3000SD meter with its pH and ORP electrodes plus a pair of calibration buffer solutions (pH 4.0..

The most complete R3000SD package, combining the meter, pH electrode, ORP electrode, and an ATC temperature probe for automatic compensation, along wi..

This REED R3000SD data-logging meter reads pH from 0 to 14 and ORP up to 1999 mV, with automatic temperature compensation and a backlit dual display f..

A rugged data-logging meter that reads electrical conductivity, total dissolved solids, and salinity in water, storing results on an onboard-expandabl..

This kit rounds out the R3100SD conductivity/TDS/salinity meter with a 16GB micro SD card and adapter, a 110V AC power adapter, and a 1413 uS conducti..

The REED R3100SD is a data-logging meter built for water-quality monitoring, tracking conductivity, TDS, and salinity in one handheld unit with automa..

The REED R3500 is a pen-style digital pH meter covering a 0-14 pH range with a dual LCD screen showing pH and temperature readings simultaneously. It ..

Handheld pen-style pH meter kit bundled with 4.01 and 7.00 pH color-coded buffer solutions for calibration. Covers a 0-14 pH range with a replaceable ..

The REED R3500 is a compact, pen-style pH meter with a waterproof housing and a dual LCD that shows pH and temperature at the same time. It covers the..

The REED R3510 is a compact pen-style pH meter with an extended slim probe, well suited to reaching into narrow test tubes, vials, and sample containe..

This bundle pairs the REED R3510 long-stem pH pen with dedicated 4.01 and 7.00 pH buffer solutions, giving users everything needed to calibrate the me..

This NIST-certified edition of the REED R3510 pairs the same slim, long-stem pH pen design with a NIST-traceable calibration certificate for documente..

Handheld pH/mV meter that reads pH or millivolts alongside temperature on a dual LCD display. Its microprocessor auto-recognizes standard buffer solut..

This REED R3525-Kit pairs a compact, cable-electrode pH/mV meter with pH 4.01 and 7.00 buffer solutions for calibration right out of the box. It reads..