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廣州坤安電子有限公司


當前位置:廣州坤安電子有限公司>>日本理研氣體報警器>>日本理研進口溶劑性非分散紅外線方式氣體檢測儀RI-257

日本理研進口溶劑性非分散紅外線方式氣體檢測儀RI-257

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聯系方式:胡杰查看聯系方式

更新時間:2022-08-02 11:04:40瀏覽次數:326次

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經營模式:代理商

商鋪產品:98條

所在地區:廣東廣州市

聯系人:胡杰 (經理)

產品簡介

日本理研進口溶劑性非分散紅外線方式氣體檢測儀RI-257

詳細介紹

RI-257

Infrared Single Gas Monitor

Datasheet

RI-257 Infrared single gas monitorThe 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

  • Compact & lightweight
  • Easy to install
  • Negligible interference from other gases
  • Easy to read digital display

Applications

  • Cleaning processes
  • Cold-storage plants
  • Drying rooms
  • Refrigerators

Specifications

Model

RI-257

Detection Principle

Non dispersive infrared (NDIR)

Sample Method

Sample-drawing by built in pump

Alarm Point

Dual Alarm (WARNING/ALARM)
Run: Latched mode (non-latched after alarm check )
Alarm lamp: Lamp display (Yellow/Red)
Contact output: a contact (b contact option)
Contact rating: AC125V 0.1mA-0.5A(resistance load)

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 
7.1 (W) x 14 (H) x 3.8 (D) inches

Weight

Approx. 3.8kg (8.4 lbs)

Painting color

Munsell 2.5 Y 9/2

Standard AccessoriesFuse
Dust Filter
Instruction Manual
Test Certificate
Optional AccessoriesGas Sampling Bag
MC Filter

 

Gases and Ranges Detection Chart

Gas DetectedRangeAlarm 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 230-10000 ppm (50ppm/digit)3000 ppm
Flon 320-10000 ppm (50ppm/digit)3000 ppm
Flon 410-5.000 vol% (0.025vol%/digit)2.000vol%
Flon 134a
(Vertrel XP)
0-5000 ppm (25ppm/digit)2000 ppm
Flon 2250-5000 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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