NZ-3000 Zirconia Oxygen analyzer


HORIBA NZ-3000 zirconia oxygen analyzers are used for combustion monitoring and control in a wide variety of applications, such as boiler combustion control for electric power plant, and help industries to make considerable achievements in energy saving.
The converter unit is equipped with an LCD touch screen which has various setting displays, a calibration display, oxygen concentration trend display, with easier operation and improvement of display functions. The sensor probe uses a high-reliability zirconia sensor, and its heater assembly can be replaced on site.


  • The converter unit incorporates a LCD touch-screen for ease of operation.
  • The built-in heater assembly of the probe can be replaced on site.
  • The probe uses a long-life, high-reliability with Zirconia sensor.

Manufactured by HORIBA


Measuring method

Zirconia method

Measuring range

0~100 vol%O2
(Display) Any setting in the range from 0 to 5 % O2 0 to 100 vol% O2

Sample gas pressure


Sample gas temperature


Probe insertion length



4~20mA DC

Contact output    (4 points)

Contact rating 30VDC 3A、250VAC


Abnormal cell, abnormal cell temperature(low/high), abnormal calibration, detective A/D converter, detective digital circuit

Sampling probe construction

Waterproof construction NEMA4X/IP65

Transmitter construction

Waterproof construction NEMA4X/IP65

Environmental temperature

Sampling probe: -20~+150℃
Transmitter: -20~+55℃


AC100~240V 50/60Hz

Power consumption

Max. 300VA Normal approx. 100VA