Teledyne 318R User Manual
Specifications and Main Features
- Title of the Product: Model 318R Trace Oxygen Analyzer
- Scope of Functioning: 0-10 PPM, 0-10 PPM, 0-1,000 PPM, 0-10,000 PPM, CAL
- Sensitivity: 0.5% Full Scale
- Accuracy -
- Fixed Temperature: Normal ranges +/- 2% Full Scale ( Plus Minus 1 for Already given range of 0-10 PPM)
- Over Standard Ranges: Physiological Range of temperatures standard range; +/- 5% full scale within normal limits; +/- 1 PPM within 30 to 50 degrees.
- Operating Temperature: From 32 degrees F-122 degrees F and 0 degree celsius-50 degrees celsius
- Output Voltage Signal: 0-1 V DC (standard)
- Current Signal Outputs: alternatives range of 1-5, 4-20 or 10-50 mA DC
- Redundant Outputs: 1 or 2 ordinary DPDT form C relays (3A DC mA) configured for resistive load use which most switches usually are.
- Tolerance for Alarm Output- 0.1% Full Scale
- Time Taken For a Response:
- 0-10 PPM-90 percent in less than 45 seconds
- 0-100 PPM-90 percent in less than 30 seconds
- 0-1,000 PPM-90 percent in less than 10 seconds
- 0-10,000 PPM-90 percent in less than 1 second
- Cell Warrant- a period of 6 months for A2C A-2CI, Class B-2, and B-2C
- Energy Supplied– 115 VAC, 50/60 Hz, 30 W which can be switched for 100/220 VAC
- Classification Done Based on Area Type- Group C and Group D (Group B optional), Class 1, Division 1
Frequently Asked Questions
Q: The Model 318R Trace Oxygen Analyzer is designed for what purpose?
A: The Model 318R Trace Oxygen Analyzer is purpose specific for carrying out inline trace oxygen analysis especially in ppb and ppm concentration levels for a wide variety of gases or gas mixtures.
Q: In case of 318R, how is the trace amount of oxygen measured?
A: Micro fuel cells are used by the analyzer as a class B-2 type fuel cell which works by the electro chemical reaction of an oxygen atom in the presence of an electric current. The amount of current produced is dependent on the amount of oxygen present.
Q: The Model 318R offers which analysis ranges?
A: The model 318R has analysis ranges between the limits of 0-10 PPM, 0-100 PPM, 0-1,000 PPM, and 0-10,000 PPM.
Q: Is the sensor in the Model 318R maintenance-free?
A: The silicone reagent does not require any maintenance, thus, when the silicone reaches the end of its useful life, typically approximately after 6 months, it can be easily replaced.
Q: What type of output signals are presented by the Model 318R?
A: Model 318R is able to provide voltage outputs of around 0-1 V DC, as a standard, with the option of having output signals in the form of currents which can be anywhere between 1-5 mA, 4-20 mA or 10-50 mA DC.
Q: Is it feasible to operate the Model 318R in potential risk zones?
A: The answer is in affirmative, for, it possesses an explosion proof casing suitable for potential Class 1, Division 1, Sections C and D areas.
Q: What mechanism is employed for enabling the Model 318R calibration feature?
A: The most acceptable technique in this regard is to use a known oxygen concentration like span gas or normal ambience air containing 20.9% oxygen.
User Manual
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