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Summary of Contents for Quantek ZR 1000
- Page 1 MODEL ZR 1000 TRACE O ANALYZER OPERATING INSTRUCTIONS 2024 Quantek Instruments, Inc. 183 Magill Drive Grafton, MA 01519 USA sales@quantekinstruments.com http://www.quantekinstruments.com/ 508-839-3940...
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Page 2: General Description
GENERAL DESCRIPTION The Quantek Model ZR1000 is a battery or AC operated, portable oxygen analyzer used for the measurement of O in inert gases such as nitrogen, argon, helium, etc. The unit is powered by a universal adapter, 100 to 240... -
Page 3: Oxygen Sensor
OXYGEN SENSOR The ZR1000 employs a heated miniature zirconia oxygen sensor which operates in the range of 0 to 1000 ppm. The sensor is unaffected by inert gases such as nitrogen or carbon dioxide. However, exposure to any hydrocarbon gas, CO or other oxidizable gas can poison the sensors. -
Page 4: Response Time
As you can see, the ideal flow rate is 1L/min entering the analyzer. If you measure the flow rate leaving the instrument, it will be less, as the internal plumbing and sensor creates a restraint on the flow. It is recommended that the analyzer operate at above freezing and below 50 RESPONSE TIME Typical response times are shown below:... - Page 5 the sensor to ambient concentration, it will shorten the life of the sensor, but only by about 3 months. Other instruments with electrochemical sensors require that you keep the sensor at <1000ppm all the time, or the sensor will expire in 3 months.
- Page 6 PRECAUTIONS Follow these guidelines to prevent damage to the unit and to extend the life of the sensor: Turn the unit off when not in use. Long term exposure to ambient air, which contains 20.9% O , will shorten the life of the sensor. 2.
- Page 7 CONTINUOUS SAMPLING WITHOUT USING THE INTERNAL PUMP This analyzer provides a real-time readout of the concentration, whether the pump button is pressed or not. However, for continuous measurement of a sample stream, the sample must be at some positive pressure to force a flow through the analyzer.
- Page 8 If injecting your own gas, we recommend that you use a flow meter at the inlet of the instrument. If you measure the flow rate leaving the instrument, it will be less, as the internal plumbing and sensor creates a restraint on the flow.
- Page 9 PUMP TIME SETTING (OPTIONAL) This potentiometer will adjust how long the pump operates for, between a minimum of 2 seconds and a maximum of 12 seconds. When pressing the pump button lightly, it will operate according to this timing. Since the instrument requires about 1L of sample to obtain an accurate reading, for all practical purposes the pump is not useful unless you click the pump button into place...
- Page 10 Do not flow 1L/min through an analyzer equipped with a pump without recalibrating the instrument. You have to recalibrate the instrument if you want to flow gas directly into the instrument at a higher flow rate. We do not recommend flow rates of less than 300cc/min;...
- Page 11 PRECAUTION Conditioning the gas flow before it reaches the analyzer is always recommended. We recommend <50 C, <95% RH (non- condensing), and free of hydrocarbon, volatile and/or corrosive compounds and particulate matter. Take care not to pressurize the sensor beyond 20 psig;...
- Page 12 CALIBRATION AND PUMP TIME ADJUSTMENTS These adjustments are made using the potentiometers located on the back panel of the unit. SPAN SETTING Accurate calibration of the O reading can be checked at any time by sampling a calibration standard in the range of 100 to 1000 ppm.
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Page 13: Analog Output (Optional)
ZERO SETTING The O ZERO reading can be checked by sampling N . The zero will read 0 ppm, plus or minus 2 ppm O . If the reading is not in this range adjust the O ZERO potentiometer as needed. This adjustment should be done carefully because it will affect all readings, and it must be done with N... - Page 14 The accessory package included consists of an adjusting screwdriver for potentiometers. This screwdriver fits the potentiometers on the back of the analyzer. SHIPPING AND MAILING ADDRESS Quantek Instruments 183 Magill Drive. Grafton, MA 01519 Tel 508 839-3940 Fax 508 819-3444 sales@quantekinstruments.com...
- Page 15 Drift less than 1ppm per six months Sensor Proprietary zirconia cell, expected lifetime 4-5 years Sample Pump Optional; Internal, with adjustable timer (2-12 seconds), draws ~5cc/sec Sample ¼ inch tubing to Swagelok fitting. Connection Warmup Time 5 minutes Calibration Calibrates with standard gas; adjusters on back of analyzer Calibration Once per year...
- Page 16 Documentation operating instructions with detailed calibration instructions, calibration certficate, precautions), NIST calibration certificate Origin of Goods Our products are manufactured in the U.S.A.
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