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广州坤安电子有限公司
日本理研进口溶剂性非分散红外线方式气体检测仪RI-257
RI-257
Datasheet
The model RI-257 sereies are designed to measure the presence of either Fluoro compound (FC) gas, Hydrofluroro compound (HFC or HCFC) gas representing VERTREL XP (HFC-134a) or IPA in the specified range through the built-in continuous operation pump.
As they are based on NDIR (Non Dispersive Infrared) method, the sample gas specified can be measured without interference from other gases.
Features
Applications
Specifications
Model
RI-257
Detection Principle | Non dispersive infrared (NDIR) |
Sample Method | Sample-drawing by built in pump |
Alarm Point | Dual Alarm (WARNING/ALARM) |
Repeatability | +/- 3% of F.S. |
Alarm delay time | Within 30 seconds by supplying 1.6 times the density gas of alarm preset point. |
External output | 4-20mA (Current outputting type), Max 300 ohms (resistance load) |
Warming Up | 60 min after turns on power (but measurement starts in 2 min after power on) |
Power Source & Power Consumption | Power: AC 100V, AC117V, or AC220V +/- 10% 50/60Hz, max 50VA |
Ambient Temp/Humidity | 0~+40ºC (32-104ºF), 30-90%RH, Non Condensing |
Mounting Method | Wall Mounting |
Dimensions | Appros. 180 (W) x 355 (H) x 97 (D) mm |
Weight | Approx. 3.8kg (8.4 lbs) |
Painting color | Munsell 2.5 Y 9/2 |
Standard Accessories | Fuse Dust Filter Instruction Manual Test Certificate |
Optional Accessories | Gas Sampling Bag MC Filter |
Gases and Ranges Detection Chart
Gas Detected | Range | Alarm set point |
FC-14 (*) | 0-10000 ppm (50ppm/digit) | 3000 ppm |
FC-116 (*) | 0-5000 ppm (25ppm/digit) | 2000 ppm |
FC-C318 (*) | 0-5000 ppm (25ppm/digit) | 2000 ppm |
Flon 23 | 0-10000 ppm (50ppm/digit) | 3000 ppm |
Flon 32 | 0-10000 ppm (50ppm/digit) | 3000 ppm |
Flon 41 | 0-5.000 vol% (0.025vol%/digit) | 2.000vol% |
Flon 134a (Vertrel XP) | 0-5000 ppm (25ppm/digit) | 2000 ppm |
Flon 225 | 0-5000 ppm (25ppm/digit) | 2000 ppm |
IPA (iso-propyl alcohol) | 0-10000 ppm (50ppm/digit) | 3000 ppm |
* Specifications subject to change without notice.
* Wen ordering, please specify one of those specified gases above.
(*) FC means Perfluoro compound gas.
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