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Summary of Contents for AMI 65
- Page 1 Oxygen Analyzer Manual Model 65 Probe AMI, Costa Mesa, CA...
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Page 2: Table Of Contents
Contents Preface Caution Address The AMI Model 65 Oxygen Probe Analyzer Introduction Features: Options: Oxygen sensor: Gas compatibility Sensor life Sensor Warranty: Instrument Warranty: Installation and Operation Receiving the analyzer Precaution Installation Location: Probe connection: Display unit option: Display unit connections:... - Page 3 Periodic Calibration: Specifications and Disclaimer Specifications: Disclaimer 3 AMI Analyzer Manual...
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Page 4: Preface
The Model 65 series are a set of extremely compact oxygen probes that contain a zirconium oxide sensor and all associated electronics using an advanced microprocessor design. The basic models produce a linear voltage output corresponding to either 0-25% oxygen, 0-50% oxygen or 0-95% oxygen. -
Page 5: The Ami Model 65 Oxygen Probe Analyzer
Compression fittings Oxygen sensor: AMI uses a unique zirconium oxide sensor. This sensor measures the concentration of oxygen in a gas stream, using an oxygen specific chemistry. It generates an output current in proportion to the amount of 5... -
Page 6: Gas Compatibility
Sensor life Unlike electrochemical sensors, the model 65 sensor does not degrade when it is not in use. Its life depends on the total amount of oxygen to which it is exposed, while it is powered up. If it is powered continuously, and exposed to air, the sensor will remain almost completely stable for about several years, and thereafter will gradually drop its reading for the next few years. -
Page 7: Installation And Operation
6 feet of the probe if the voltage output probe is used, and can be virtually any distance if the current output version is used.. Connect the cable provided to the probe and to the display unit, or suitable power supply (7-28V DC) and monitoring system. Figure 1. Probe dimensions 7 AMI Analyzer Manual... -
Page 8: Probe Connection
(Model 64 provides a 5V regulated output in place of the separate grounds.) Wire color Connection Brown +7 to +28 VDC, 100 to 500mA Black Ground/Return White Voltage output Blue Signal ground 8 AMI Analyzer Manual... -
Page 9: Display Unit Option
Display unit option: Figure 2. Display unit showing mounting hole dimensions Figure 3. Back Panel Connections 2.78 2.35 Figure 4. Mounting Dimensions 9 AMI Analyzer Manual... -
Page 10: Display Unit Connections
–20°C - 50°C) for which it is rated. The cable supplied is approximately 6 ft. long. -4°F to 122°F ( 10 AMI Analyzer Manual... - Page 11 Otherwise it should normally be mounted at head height. DO NOT USE THIS PROBE WITH HALOGEN CONTAINING GASES SUCH AS FREONS! 11 AMI Analyzer Manual...
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Page 12: Operation
3. The calibration routine should allow at least 60 seconds for the reading to stabilize. 4. If the system performs an automatic calibration, some means of alerting the user to calibration failure must be made. 12 AMI Analyzer Manual... -
Page 13: Maintenance And Troubleshooting
Maintenance and troubleshooting Maintenance: The AMI oxygen probe is maintenance free other than for periodic calibration. Periodic Calibration: The probe should be calibrated about once every six months to obtain the best accuracy. The sensor will remain stable for several years depending on the application, and then degrade at the rate of about 1% a month if it is operated continuously. - Page 14 5V supply. Current draw is higher at lower voltage and lower at higher voltage. Dimensions: 2.15 Dia. x 2" high (not including fittings or leads). Weight: less than 1 lb. Warranty: 2 years parts and labor. Sensor warranty: 2 years. 14 AMI Analyzer Manual...
- Page 15 The AMI analyzer is not designed as a primary safety device, that is to say it is not to be used as the primary means of assuring personnel safety. In particular it is not designed to act as a medical instrument, monitoring breathing air for correct oxygen concentration, and should not be used as such when it is the only safety device on the gas system.
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