Yokogawa Integral Oxygen Analyzer ZR202 User Manual
Page 24

IM 11M13A01-04E
2-6
Installation: Flange mounting
Probe Mounting Angle: Horizontal to vertically downward.
Case: Aluminum alloy
Paint Color: Cover and case; Mint green (Munsell 5.6BG 3.3/2.9)
Finish: Polyurethane corrosion-resistance coating
Weight:
Insertion length of 0.4m: Approx. 15 kg (ANSI 150 4)
Insertion length of 1.0m: Approx. 17 kg (ANSI 150 4)
Insertion length of 1.5m: Approx. 19 kg (ANSI 150 4)
Insertion length of 2.0m: Approx. 21 kg (ANSI 150 4)
Functions
Display Function: Displays values of the measured oxygen concentration, etc Alarm,
Error Display: Displays alarms such as “AL-06” or errors such as “Err-01” when any
such status occurs.
Calibration Functions:
Auto-calibration; Requires the Autocalibration Unit. It calibrates automatically
at specified intervals.
Semi-auto Calibration; Requires the Autocalibration Unit. Input calibration
started by optical switch or contact, then it calibrates automatically afterwards.
Manual Calibration; Calibration with opening/closing the valve of calibration
gas in operation interactively with the optical switch.
Maintenance Functions:
Can operate updated data settings in daily operation and checking.
Display data settings, calibration data settings, test settings (current output loop
check, input/output contact check).
Setup Functions:
Initial settings suit for the plant conditions when installing the converter.
Current output data settings, alarm data settings, contact data settings, other
settings.
Display and setting content:
Display Related Items: Oxygen concentration (vol% O
2
), Output current value (mA), air
ratio, Cell temperature (
ЊC ), thermocouple reference junction temperature (ЊC ),
maximum/minimum/average oxygen concentration (vol% O
2
), cell e.m.f. (mV),
cell internal resistance (
⍀), cell condition (in four grades), heater on-time rate
(%), calibration record (ten times), time (year/month/day/hour/minute)
Calibration Setting Items: Span gas concentration (vol% O
2
), zero-gas concentration
(vol%O
2
), calibration mode (auto, semi-auto, manual), calibration type and
method (zero-span calibration, zero calibration only, span calibration only),
stabilization time (min.sec), calibration time (min.sec), calibration period (day/
hour), starting time (year/month/day/hour/minute)
Output Related Items: Analog output/output mode selection, output conditions when
warming-up/maintenance/calibrating/abnormal, 4 mA/20 mA point oxygen
concentration (vol% O
2
), time constant, preset values when warming-up/
maintenance/calibrating/abnormal, output preset values on abnormal
Alarm Related Items: Oxygen concentration high-alarm/high-high alarm limit values
(vol% O
2
), Oxygen concentration low-alarm/low-low alarm limit values (vol%
O
2
), Oxygen concentration alarm hysteresis (vol% O
2
), Oxygen concentra tion
alarm detection, alarm delay (seconds)