PrevEx® 200°C Sensor Heated Flammability Analyzer
PrevEx® 200°C Sensor Heated Flammability Analyzer
SKU:PRE-c12526
Precision PrevEx® analyzer for LFL/LEL monitoring, operating at 200°C temperature, approved by FM and optional CE, ATEX, IECEx, UKEX.
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$4,899.99
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PrevEx® 200°C Sensor Heated Flammability Analyzer
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PrevEx® 200°C Sensor Heated Flammability Analyzer
$4,899.99
Quantity: 1
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The PrevEx® 200°C Sensor Heated Flammability Analyzer by Control Instruments Corporation is a state-of-the-art instrument designed for precise lower flammability limit (LFL/LEL) monitoring in industrial processes. With a Sensor Heated Operating Temperature range of 0 to 200°C, this analyzer offers unmatched accuracy, repeatability, and fast response time. Its fail-safe operation ensures reliable performance under various conditions. The heated sampling system eliminates condensation issues, providing accurate readings even in high-temperature environments. Approved by FM and optionally by FMc, CE, ATEX, IECEx, and UKEX, this analyzer meets the highest industry standards.
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Product Specifications
Analyzer Design Analyzer Design
The Model SNR704 is an industrial strength assembly consisting of a heated flame cell and an integrated controller that continuously measures total flammable vapor concentrations from 0 to 100 % of the Lower Flammable Limit (LFL) range. Optional modifications allow the SNR704 to sample low oxygen and inert atmospheres.Control Instruments' proprietary flame temperature technology assures an accurate and linear response. A carefully metered pilot flame incinerates the sample; the resulting change in flame characteristics is proportional to the total concentration of flammable vapors present.
Assembly Dimensions Depth
8.5 in
Assembly Dimensions Height
16 in
Assembly Dimensions Width
12.1 in
Failsafe Operation Failsafe Operation
A fault relay de-energizes whenever any of the following occur: controller electrical failure; loss of system power; loss of heat; loss of flow through the flame cell; and downscale readings caused by loss of flame or fuel.
Fuel Consumption Hydrogen Consumption
58 L/d | 40 to 45 psig
Fuel Requirements Prepurified Hydrogen
99.99 %
Heated Sampling System Heated Sampling System
To avoid condensation during sampling, the entire analyzer pneumatic assembly is heated to 200 ºC (392 ºF). This eliminates both inaccurate readings caused by solvent dropout as well as excessive maintenance time due to sample condensation and clogging. A concentric sampling probe further assures accurate, trouble-free sampling.It is suitable for monitoring many common solvent vapors. The analyzer is unaffected by the temperature of the process and can sample streams above 1500 ºF.The assembly mounts directly onto the process ductwork, as close as possible to the sample pickup point. This eliminates external heated sample lines and allows the fastest response time.The analyzer employs customer-supplied compressed air to drive its integrated air-aspirated sampling system. This method is simple, has no moving parts and requires very little maintenance. The sampling system does not require bottled air or sample pumps.Autocalibration solenoids, which allow remote activation of calibration tests, are standard.
Note Note
As a result of our commitment to product improvement, specifications are subject to change without notice. All Rights Reserved.
Outputs Outputs
The system includes six relays: single-pole, double throw relays for Warning, Danger, Fault; and single-pole, single-throw relays for Horn, Calibration-in-Progress and Service Needed. Other standard outputs include a 4-20 mA analog output and an RS-485 serial port with Modbus protocol. Digital remote access and control is made possible with optional operator interface panels.
Performance Performance
Detector response time is less than 1 second. The analyzer exhibits a very stable zero: less than one percent drift in thirty days. Calibration accuracy has less than five percent error per year.
Specifications Accuracy
± 3 % of full scale reading or 10 % of applied gas whichever is greater
Specifications Air Consumption
64 scfh | 32 Liters/Minute Including Purge
Specifications Alarm Function
Adjustable Alarm Ranges
Specifications Alternating Current Ac Voltage
120 V
Specifications Analog Output Current
4 to 20 mA
Specifications Approvals
FM (Standard), FMc (Optional)
Specifications Approvals Pending
CE, ATEX, IECEx, UKEX (Optional)
Specifications Cell Response Time
< 1 sec
Specifications Digital Output
Modbus Protocol | RS-485 Serial
Specifications Enclosure Rating
Type 12/13, Indoor | Type 4X, Outdoor (Optional)
Specifications Flame Cell Material
Hard-Coat Aluminum
Specifications Flame Cell Rating
Explosion Proof Class I, Division 1
Specifications Frequency
50 Hz | 60 Hz
Specifications Hazardous Area Rating
Class I, Division 2, Groups A, B, C, D
Specifications Lower Flammable Limit Lfl Calibration
0 to 100 %
Specifications Maximum Analog Output Impedance Includes Line Len
275 Ω
Specifications Maximum Power
400 W
Specifications Optional Alternating Current Ac Voltage
230 V
Specifications Oxygen
0 to 21% O2 in sample (optional) | 12 to 21% O2 in sample
Specifications Regulated Clean And Dry Compressed Air
20 psig
Specifications Relative Humidity Range
0 to 100 %
Specifications Relays
Four Form A redundant safety relays | Two Form A SPST realys
Specifications Relay Functions
Six relays for: Warning; Danger; Fault; Air/Fuel; Calibration-in-Progress and Service Needed
Specifications Repeatability
Within 1 % of measurement range
Specifications Sample Train Material
Hard-Coat Aluminum | Stainless Steel
Specifications Sensor Heated Operating Temperature
0 to 200 ºC | 0 to 392 ºF
Specifications Span Stability Per Year
5 %
Specifications Voltage Tolerance
-15 % | +10 %