Best Conductivity Calibration Standards

Apera Instruments AI521 PH800 Laboratory Benchtop pH Meter Kit, 0.01 pH Accuracy, GLP Data Management (USB output), BNC connector

Monitor 3 parameters in water: Conductivity (TDS) level to ensure plants get a balanced feed, pH up and down, and temperature with lab quality glass probe.
Gereral uses include growing tent, swimming pool, drinking water, and aquarium.
This hydroponics meter has ATC that provides consistent reading regardless of any fluctuations in temperature.
Conductivity scales include EC, PPM, and CF.
Combine with Bluelab meters and controllers for full indoor garden nutrients monitoring in water and soil.
pH probe requires easy two point calibration.
Conductivity and temperature probes come factory calibrated and are ready to use.
Other features: Auto off function, low battery indicator, units for temperature.
KIT INCLUDES: AAA batteries, pH probe storage cap, and calibration solution, probe care kit is sold separately.
Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers.
5-Year Limited Warranty with proof of purchase (6-month warranty for probes).

An advanced yet intuitive user interface with plain language and graphic screen prompts, supporting English, Spanish, German, and Chinese..
Dual-channel simultaneous measurement of pH/mV(ORP) and conductivity/TDS/salinity.
1 to 3 points of automatic calibration with a choice of 5 pH standard buffers and smart self-diagnosis to ensure successful calibrations. Slope is ready to view after calibration..
The 201T-F All-in-one PC-body pH/temp. electrode with low-impedance lithium glass membrane ensures quick and stable pH readings..
The 2301T-F PVC-body conductivity electrode with platinum black coating ensures high accuracy measurement (1% F. S) in a wide range (0-200 mS/cm).

Measures dissolved oxygen concentration/saturation, pH, mV, conductivity, TDS, salinity, resistivity and temperature.
Automatic salinity compensation and manual barometric pressure compensation for DO measurements.
One button pH calibration (4, 7, and 10pH).
Choice of 3 point pH calibration for better accuracy.

Monitor 3 parameters in water and soil: Conductivity (TDS) level to ensure plants get the balanced feed, pH up and down, and temperature with lab quality glass probe.
Gereral uses include growing tent, swimming pool, drinking water, and aquarium.
This hydroponics meter has ATC that provides consistent reading regardless of any fluctuations in temperature.
Leap pH probe works in multiple growing environments.
Conductivity scales include EC, PPM, and CF.
Combine with Bluelab pen, tester, monitor and controllers for full indoor garden nutrients monitoring in water and soil.
pH probe requires easy two point calibration.
Conductivity / temperature probe are factory calibrated and ready for use.
Other features: Auto off function, low battery indicator, units for temperature.
KIT INCLUDES: AAA batteries, ph probe storage cap, and calibration solution, probe care kit is sold separately.
Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers.
5-Year Limited Warranty with proof of purchase (6-month warranty for probes).

Monitor pH up and down, temperature, nutrient (TDS) level in water to maximize your grow and ensure plants get a balanced feed.
General uses includes growing tent and reservoir.
Selectable conductivity units include TDS, EC, ppm 500, ppm 700 and CF.
This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature.
High and low alarm when outside parameters, selectable units include TDS, EC, ppm 500, ppm 700 and CF.
Lab quality glass pH probe with easy two point calibration.
Conductivity / temperature probe comes factory calibrated so it's ready to be used.
Double junction probe is more accurate than test strips and drops.
Combine with Bluelab pen and meter for full garden nutrients monitoring in water and soil.
Other features: International power supply, water resistant design.
KIT INCLUDES: Calibration solution, EC probe and pH probe, probe care kit is sold separately.
Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers.
2-Year Limited Warranty with proof of purch....

For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.
Comes in lightweight HDPE plastic bottles.
Laboratory quality NIST-traceable solutions.
Any brand TDS meter can be calibrated to any brand of calibration solution.
Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle.