ZR402G-T-E-E-A/PT Yokogawa ZR402G Single Channel Oxygen Analyzer

The ZR402G converter 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 converter is equipped with various standard functions such as measurement and calculation as well as maintenance functions including self-test.

Measurement object Oxygen concentration in combustion exhaust gas and mixed gas

Measurement system Zirconium oxide sensor

Measurement range 0.01 to 100 vol% O2

Output signal 4 to 20 mA DC, two points (ZR402G) (maximum load resistance 550Ω)

Setting range Any setting in the range of 0 - 5 vol%O2 to 0 - 100 vol%O2 (in 1 vol% O2), or partial range

Digital communication (HART) 250 to 550Ω, depending on number of field devices connected to the loop (multi-drop mode)

Sample gas pressure -5 to +250 kPa (Pressure compensation option necessary over +5 kPa)

Sample gas temperature 0 to 700℃ (Probe only)

700 to 1871℃ (with 0.15m probe with JIS 5K 32 FF flange and ZR22P High Temperature Probe Adapter)

Probe length 0.15, 0.4, 0.7, 1.0, 1.5, 2.0, 2.5, 3.0, 3.6, 4.2, 4.8, 5.4 m

Contact output Four points (one is fail-safe, normally open)

Contact input Two points

Calibration Method; zero/span calibration

Calibration mode; automatic, semi-automatic and manual (with an LCD touchscreen)

Non-explosion-proof. Equivalent to NEMA4X/IP66

Construction of converter (ZR402G) Non-explosion-proof, outdoor installation, equivalent to NEMA4X/IP66

Converter (ZR402G): -20 to 55℃)

Reference Gas System

Instrument Air (preferred): 50 kPa (200 kPa with check valve) + the pressure inside the furnace; Approx. 1 Nl/min consumption

Natural convection

Power supply 85 to 264 V AC; 45 to 66 Hz

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ZR402G-M-C-C-A/H;ZR402G-G-C-C-A/H;ZR402G-P-C-C-A/H;ZR402G-T-C-C-A;ZR402G-M-C-C-A;

ZR402G-G-C-C-A;ZR402G-P-C-C-A;ZR402G-T-C-C-A;ZR402G-T-E-E-A/SCT/C3;ZR402G-M-E-E-A/SCT/C3;

ZR402G-G-E-E-A/SCT/C3;ZR402G-P-E-E-A/SCT/C3;ZR402G-T-E-E-A/H/SCT;ZR402G-M-E-E-A/H/SCT;ZR402G-G-E-E-A/H/SCT;

ZR402G-P-E-E-A/H/SCT;ZR402G-T-E-E-A/PT;ZR402G-M-E-E-A/PT;ZR402G-G-E-E-A/PT;ZR402G-P-E-E-A/PT;

ZR402G-T-E-E-A/HS;ZR402G-M-E-E-A/HS;ZR402G-G-E-E-A/HS;ZR402G-P-E-E-A/HS;ZR402G-T-E-E-A/C3;

ZR402G-M-E-E-A/C3;ZR402G-G-E-E-A/C3;ZR402G-P-E-E-A/C3;ZR402G-T-E-E-A/C2;ZR402G-M-E-E-A/C2;

ZR402G-G-E-E-A/C2;ZR402G-P-E-E-A/C2;ZR402G-T-E-E-A/SCT;ZR402G-M-E-E-A/SCT;ZR402G-G-E-E-A/SCT;

ZR402G-P-E-E-A/SCT;ZR402G-T-E-E-A;ZR402G-M-E-E-A;ZR402G-G-E-E-A;ZR402G-P-E-E-A;ZR402G-T-E-E-A;ZR402G-M-E-E-A;

ZR22G-100-S-P-C-T-T-E-A/F1+ZR402G-T-C-C-A;ZR22G-040-S-E-C-R-M-E-A;ZR22G-100-S-E-C-T-T-C-A/CV;

ZR22G-015-S-Q-C-T-T-E-A/SU+ZR402G-T-C-C-A;ZR22G-100-C-C-E-T-T-E-A/C/CV/F2/SCT;ZR402G-P-E-E-A/H;