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PDF ( 数据手册 , 数据表 ) ZA8

零件编号 ZA8
描述 Zirconia Oxygen Analyzer Manual
制造商 Yokogawa
LOGO Yokogawa LOGO 


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ZA8 数据手册, 描述, 功能
Instruction
Manual
ZA8 Zirconia Oxygen Analyzer
IM 11M6A2-YIA
2nd Edition, February 1999
Printed in U.S.A.
Free Datasheet http://www.datasheetlist.com/







ZA8 pdf, 数据表
INTRODUCTION
1.4 STANDARD SPECIFICATIONS
Measurement:
Measurement Method:
Measurement Range:
Output:
Warm up time:
% oxygen concentration
Zirconium Oxide
0 to 100 vol% O2
0 to 5 vol% O2 to 0 to 100 vol% O2
10 minutes (4 hours for stability)
Wiring between the detector and converter:
1. Separate conduits are required for the signal cable and heater cable.
2. Probe signal cable should be three pair twisted, with overall shield.
3. Probe heater cable should be one pair twisted, with overall shield.
4. The maximum distance between the detector and converter is 1500 feet using 16# AWG
shielded wire; however, the electrical resistance of cable is less than 10of loop resistance.
Power Requirements:
110 (standard), 115, 220, 240 VAC (-15%, +10%) 50/60 Hz.
Power Consumption:
1. Approximately 80 VA during normal operation.
2. During start-up, maximum 270 VA are required.
IM 11M6A2-YIA
Page 3
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ZA8 equivalent, schematic
SPECIFICATIONS
•Standard Specifications
Flowrates:
Cal gas - 0.6 LPM (1.3 SCFH); Reference air - 0.8 LPM (1.7
SCFH)
NOTE: Exceeding recommended flowrates may damage the detector cell.
Maximum pressure:
35 psig
Cal plate:
Stainless steel
Connection:
1/4” FNPT
Cal tubing:
1/4” copper (standard); 1/4” stainless steel (optional)
Weight:
Approximately 4.4 lb (2 kg)
Ambient Temperature:
176ºF (80ºC) maximum
•Model and Code for MC1 Cal Unit
SINGLE CHANNEL O2 MANUAL CALIBRATION
M C1
MODEL NUMBER
TUBING/FITTINGS
-C 1/4" copper tubing and brass f ittings
-S 1/4" stainless steel tubing and fittings
REFERENCE AIR FLOWMETER
-R*U Reference air flow meter
2.3 AC1 SINGLE POINT AUTOMATIC CALIBRATION
The AC1 Automatic Calibration System is designed to work with the ZA8C Oxygen Converter to
provide accurate, automatic or semi-automatic calibration of the ZO21D oxygen detector. The
solenoids of the AC1 are sequentially activated by internal contacts at the ZA8C converter.
Calibration is achieved using instrument air and a compressed gas composed of oxygen balanced in
Nitrogen (typically 1%). The AC1 unit controls the flow of calibration gases and reference air.
To simplify operation of your O2 monitoring system, the AC1 comes fully assembled with plumbing,
flow control hardware, and solenoid wiring for calibrating the oxygen probe. All the User need provide
is plumbing to the ZO21D probe and plumbing of the gases to the AC1, along with regulators and
interconnecting wiring between the AC1 and ZA8C. The AC1 requires 120 VAC.
The AC1 calibration unit is available with a choice of stainless steel fittings and tubing or brass
fittings and copper tubing. Reference air flow control is a standard feature of the AC1, with separate
flow indicators for cal gas and reference air. A clean, dry air source such as instrument air is used as
both span gas and reference air. The AC1 enclosure is available in NEMA 4 or 4X rating.
Initial setup of the auto calibration unit is simplified by the use of manual overrides for all solenoids.
The overrides allow for a quick balancing of the calibration gas, without the use of power.
IM 11M6A2-YIA
Page 11
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