Method; zero/span calibration
Calibration mode; automatic, semi-automatic and manual (with an LCD touchscreen)
Construction of detector (ZR22G)
Heater and thermocouple replaceable construction.
Non-explosion-proof. Equivalent to NEMA4X/IP66
Non-explosion-proof, outdoor installation, equivalent to NEMA4X/IP66
Ambient Temperature
Probe (ZR22G): -20 to 150℃
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
Performance of Yokogawa ZR22G-040-S-K-C-T-M-E-A ZR22G Zirconia Oxygen Analyzer Detector
Repeatability ±0.5% Maximum value of set range
Linearity ±1% Maximum value of set range
Drift ±2% Maximum value of set range/month
Response time (T90) 90% response within 5 sec (60 sec for explosion-proof ZR22S)