ReviewsConductivity Calibration Certificate

Extech DO700 Portable Dissolved Oxygen Meter

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.

AZ86031 Handheld IP67 Combo PH/COND./SALT/TDS/D.O was being designed and manufactured by AZ Instrument, a well experienced manufacturer for Environmental Measuring Instrument..
Water Quality Meter, also been called as Water Testing Device or Water Quality Testing Device, it’s the device that measure the value of pH, Cond. (Conductivity), Salinity, TDS and D.O. (Dissolved Oxygen) in liquid, which had been widely used by Aquaculture, Aquaponics or Fish Farm..
Multiple points calibration: 3 points for pH, 1point for D.O.,4 points for conductivity..
Large LCD with multiple parameters display simultaneously..
pH, Conductivity or Salinity or TDS, Dissolved oxygen & Temperature..

Converts a ratchet wrench into a digital torque wrenchand is also an accurate calibration device for existing torque wrenches.
Torque range from 12 to 250 ftlbs or 17 to 340 newton meters. Clear audio and visual signals when reaching desired torque.
Large LCD digital display with backlight let you effortlessly for viewing and tuning torque settings. 50 readings memory.
Dual direction with exceptional accuracy at +/- 2%, each set is shipped pre-calibration tested for accuracy and includes a calibration certificate.
1/2-inch drive and socket is compatible with size adapters. Comes with 2-piece socket adapter and a precision screwdriver.

Digit display for accurate volume setting and large window for easy volume identification.
Ultra-light and ergonomic design allows for soft range adjustment and piston movement offering fatigue-less pipetting experience.
Conform to ISO8664 and each pipette calibrated with three-points, calibration certificate included, easy calibration and maintenance.
The tip cone can be disassembled and autoclaved in 121 degree, 1 Year Warranty.