Use the Chloride Calibration Solution to calibrate chloride Ion Sensitive Electrodes (ISEs) for the Aqua TROLL 500 and A

Calibration standard for chloride Ion Sensitive Electrodes (ISEs).

Calibration standard for ammonium Ion Sensitive Electrodes (ISEs).

Stable and repeatable solid state standard to perform RFU calibrations and checks on the Aqua TROLL Crude Oil sensor.

Extends deployment of the Aqua TROLL 500, 600, 700 and 800.

Stable and repeatable solid state standard to perform RFU calibrations and checks on the Aqua TROLL Fluorescein WT senso

Stable and repeatable solid state standard for RFU calibration and checks on the Aqua TROLL FDOM sensor.

Removes biological growth from RDO sensors with a blast of compressed air.

Calibration cup and sponges to perform RDO Blue calibration.

The RDO Copper Guard can be threaded onto the RDO Blue for reliable protection.

Everything you need to perform 2-point dissolved oxygen calibrations on Aqua TROLL 400, Aqua TROLL 600, RDO PRO, RDO PRO

Improves accuracy of your data and proglongs the length of your deployment of RDO PRO and RDO PRO-X Probes.

This copper pressure sensor nose cone extends Aqua TROLL 200 and Level TROLL 400/500/700 deployments.

This complete system includes a copper pressure sensor nose cone and conductivity sensor guard.

Calibration kit for RDO PRO probes.

Calibration cup for an Aqua TROLL 100/200.

Sodium sulfite (Na2SO3) calibration solution and DI water when calibrating at 0% saturation.

NIST-traceable conductivity solutions for low-range, high-range, or full-range calibrations.

NIST-traceable turbidity calibration solution (polymer suspension) for Aqua TROLL in 500 mL volumes. Available in 10 NT

Available in singles and as a case of 12 (PE only).

Tubing for use in a Geotech Peristaltic Pump.

Calibration standard for ORP/Redox electrodes.

NIST-traceable calibration solution. Available in pH 4, 7, or 10 in various volumes.

NIST-traceable conductivity solutions for low-range, high-range, or full-range calibrations.

pH/ORP Calibration Kit – Includes 1 Liter each: 4, 7, 10 pH, Zobell’s Solution

pH Calibration Kit – Includes 1 Liter each: 4, 7, 10 pH, DI Water

Calibration solution for zero-point oxygen calibration.

Calibration standard for dissolved oxygen, conductivity, pH, and ORP.

The Replacement Wiper Brush Kit includes one replacement brush for an Aqua TROLL 700 or 800 Multiparameter Sonde and thr