Cart Contents


Pocket Horiba NO3/K/Na/Ca Meters »

Horiba NO3-11 (B743) Nitrate meter Enviro Paul

Horiba NO3-11 (B743)

$550.00 inc GST

  Login to create Wishlists

Calculate Postage


The new improved Horiba compact Nitrate meter NO3-11 replaces the B743 version . It has a greater lower range starting at       6 mg/l for NO3 .The No3-11 allows quick measurement of nitrate ion using an ion selective membrane. Flat sensor technology allows a reliable and direct measurement of a drop of the sample from only 0.3mL. A unique sensor mechanism allows direct measurement of solid, viscous, powder samples. There is no need for a beaker to calibrate or measure. A drop the standard or sample onto the flat sensor,saves you time and minimises wasting your precious sample.

This lightweight, pocket-sized meter is suitable for research and industrial applications in diverse fields.

Soil and sap testing for improved agriculture; food testing


  • Auto-calibration function recognizes standards and is user-selectable for either one- or two-point calibrations.
  • Auto range change
  • Temperature compensation
  • IP67 waterproof
  • Auto hold
  • Automatic power off (30 minutes)






(for crops)


(for soil)


(for general use)

Measurement Principle

Ion Selective Electrode

Minimum Sample Volume

0.3ml (0.05ml with sampling sheet B)

Nitrate (NO3-) Measurement Range

6 to 9900 ppm (mg/L)

Nitrate-Nitrogen (NO3-N) Measurement Range

1.4 to 2200 ppm (mg/L)

0.7 to 1100 kg/10a


6 to 99 ppm: 1 ppm

100 to 990 ppm: 10 ppm

1000 to 9900 ppm: 100 ppm


± 10% of actual value

Calibration Points

Up to 2

Temperature Display

0 to 50.0 ºC


Custom (monochrome) digital LCD with backlight

Operating Temperature

5 to 40.0 ºC

Operating Humidity

85% or less relative humidity (no condensation)


CR2032 batteries (2)

Battery Life

Approx. 400 hours in continuous use without backlight


ABS epoxy


164 x 29 x 20 mm (excluding projections)


Approx. 55 g (including sensor and batteries)


  • Auto Standard Recognition 
  • Changeable High & Low Calibration Values
  • Temperature Calibration
  • Multiplication Compensation  
  • Auto Hold / Auto Stable Measurement
  • Switchable Backlight
  • Automatic Power Off (30mins)
  • Low Battery Indicator
  • IP67 Dust / Waterproof
  • Replaceable Sensor



Please click here for full specifications

Please click here for full instruction manual 

Please click here for LAQUA promo video

Browse Our Categories

© enviro-paul 2019

View Cart