The Model 3255 Portable Analyzer has been designed for the accurate measurement of both PPM levels of O2 and low-level dew points in furnace atmosphere gas or in other dry process gases. A customer-replaceable electrochemical sensor senses the O2. This sensor produces a small output current, which is directly proportinal to the PPM level of O2 present in the sample. The dew point is sensed by an aluminum oxide sensor that baries its electrical capacitance with moisture. The O2 and dew point signals are then amplified and displayed on the front panel meters.
A unique feature of this analyzer is the built-in micro-blocking valves that trap the last gas sample drawn into the sensors. This ensures a rapid start and minimum purge-down time when the analyzer is used again. The optional hydrogen detector is a thermal conductivity (T/C) Cell which responds rapidly to the hydrogen content of the sample gas. It has an inifinite life.
Specifications
Method of Detection |
N/A Customer replaceable O2 sensor, AlO2 Dew Point Sensor, T/C Cell for H2 |
Ranges Available |
N/A 0-10 PPM to 0-19, 999 PPM O2, -112° to + 68°F (-80° to +20°C) |
Resolution |
N/A ±1PPM O2, ±1°C or °F Dew Point, 0.1% H2 |
Accuracy & Repeatability |
N/A ±2% of reading |
Drift |
N/A Less than 1% of full scale per 8 hours |
Response Time (T-90) |
N/A O2 sensor may require an initial |
Ambient Temperature Range |
N/A 0-50 ºC32 to 122 ºF |
Linearity |
N/A ±1% of full scale |
Size & Weight |
N/A 10"L x 7 1/2" H x 6 1/2"D @ 8 lbs (25.5 x 19 x 16.5 cm @ 3.6 kg) |
Power |
N/A AC/DC Operation, 115VAC 60Hz for recharging. (220VAC 50Hz available) |
Output Options |
N/A 4-20 mA or 0-1 VDC |
Alarms |
N/A Optional |
Features
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N/A
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Options
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N/A
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