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.

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.

Calibration cup and sponges to perform RDO Blue calibration.

The Aqua TROLL 400 Storage and Calibration Cup is a rugged alternative to the standard calibration cup. Made of polycarb

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

Everything you need to conduct low-flow groundwater sampling with the Aqua TROLL 500 and the Aqua TROLL 600.

The Aqua TROLL 400 Low-Flow Base Plate is a 12 in. by 12 in. base plate for the Aqua TROLL 400 Low-Flow system. Includes

Aqua TROLL 400 Low-Flow Flow Cell includes flow cell with removable end cap (installed with O-ring and stainless steel s

Contains all the tubing fittings to conduct low-flow groundwater sampling with the Aqua TROLL 400.

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.

Attaches to the end of 1.5 in. bailers producing a slow laminar flow when collecting a water sample from the bailer.