EDS3-61H

THERMAL CONDUCTIVITY GAS ANALYZER DATA SHEET In modern industries, it is indispensable to analyze components and measure concentrations of mixture gases and combustion gases for strict quality control and to file data for establishing production schedules which will allow proper management of industrial processes. Of the various analytical methods and measuring principles available for analyzing process gases, this gas analyzer utilizes the fact that electric resistance of a heated platinum wire changes depending on kind and concentration of gas. THERMOMAT ZAF Kind of Gas Relative thermal conductivity (at 0°C)expressed taking that of air(5.572 × 10-5cal/cm.sec. deg.)as 1 Sulfurdioxide SO2 Carbondioxide CO2 Argon Ar Carbon monoxide CO Water vapor(100°C)H2O Air Nitrogen N2 Oxygen O2 Methane CH4 Hydrogen H2 Measuring mode: 1 range or 2 ranges (for measuring the same sample gas components with the same measuring system) Measuring range: CO2 H2 Ar CH4 He 0 to 10 ....100 100 to 90 .... 0 0 to 3 ....100 100 to 95 .... 0 0 to 10 ....100 100 to 90 .... 0 0 to 20 ....100 100 to 80 .... 0 0 to 5 ....100 100 to 90 .... Output signal: DC 4 to 20 mA (load resistance less 0 FEATURES 1. Continuous measurement possible. 2. Quick response. 3. Integral unit incorporating detector, current regulator and indicator. 4. Simple and robust mechanism assuring high maintainability. 5. Minimum influence due to external and operating conditions. 6. Stable accuracy. SPECIFICATIONS Measuring principle: Measurement of thermal conductivity Measuring component: Two-component gases (from viewpoint of thermal conductivity) such as CO2, H2, Ar, CH4, He, SF6 than 400Ω) [ Repeatability: Drift: DC 0 to 10mV (output resistance 100Ω) 0 to 100µA (load resistance 100Ω) is further available for special specification. } Simultaneously available ] ± 1% of F.S. Within zero point ± 2.5% of full scale/week Within span ± 2% of full scale/week EDS3-61h Date Jun. 27, 2002 ZAF Response speed: Within 30 sec for 90% response (for 20% CO2) Within 60 sec for 90% response (for 0 to 10% H2) (varies with kind of gas and range) Sample gas flow rate: 0.4 ± 0.05 /min, constant Standard requirements for sample gas: Temperature 0 to 50°C Dust 0.3µm or less Pressure 10kPa or less (flow rate 0.4L/min) Materials of gas-contacting parts: Lead, stainless steel JIS SUS316, platinum, platinum iridium, epoxy resin, silver, fluororubber Power supply: AC 100V ± 10%, 50/60 Hz 110V, 200V, or 220V usable for special specification Power consumption: Approx. 10VA Mounting: Indoor panel plug-in CODE SYMBOLS ZAF P 2Reference gas 3A 4A 4B 4C 4D 4E 4F 4Z 6A 6B 6C 6D 6E 6F 6Z Power supply 1 AC 100V 50/60Hz AC 110V 50/60Hz AC 200V 50/60Hz AC 220V 50/60Hz Measuring 1 2 1 range 2 ranges (available only for measuring the same sample gas) (Note 1) Reference gas components are as listed in the table below. (Note 2) Sample gas, herby, means a gas components to be measured, and reference gas stands for each component other than the sample gas (remaining gas component). Others than N2 gas N2 N2 Description Sample gas CO2 CO2 H2 Ar CH4 He SF6 Others CO2 H2 Ar CH4 He SF6 Others As specified by customer (See the table below) As specified by customer (See the table below) Measuring range 0 to 20% Others than 0 to20% α ∠α = 90° 2 3 Warmup time: At least 30 min. Ambient temperature: -5 to 45°C Ambient humidity: Less than 90% RH Weight: Approx. 5kg External dimensions (H x W x D): 240x197x 212 mm Finish color: Munsell 7.5BG 3.2/0.8 4 STANDARD MEASURING CompariMeasur- son gas ing gas component N2, O2, Air, He Ar N2, CO2, Ar H2 Air, O2 N2, O2, Air, He CO2 N2, CO2, Ar, He Air, O2 He N2, CO2, Ar, O2, Air Measuring range Range ratio Output characteristic 0-10, 20% : Linear Others : non-linear MEASURING PRINCIPLE Sample gas CO2 0-10, 20, 50, 100% 100-90%, 100-80% 1 : max. 5 Impossible 0-3, 5, 10, 20, 50, 100-90% : Linear 80, 100% 1 : max. 10 Others : non-linear 100-90%, 100-80% Impossible 0-10, 20, 50, 80, 100% 1 : max. 5 100-90%, 100-80% Impossible 0-20, 40, 50, 60, 80, 100% 1 : max. 5 100-80% Impossible 0-5, 10, 20, 30, 40, 50, 80, 100% 1 : max. 10 100-90% : Linear Others : non-linear 100-90%, 100-80% Fixed resistor DC Constant current Enclosed gas inlet Measuring chamber Reference chamber Ar 0-10, 20%, 100-90% : Linear Others : non-linear Non-linear CH4 V-I converter V/I DC 4 to 20mA DC amplifier Fixed resistor (Note 1) Linear output is ±2.5% FS or less. (Note 2) On 2-range type, the zero point is used in common. (Note 3) When sample gas consists of more than 3 components, contact our office with a table of gas components submitted for confirmation of whether or not applicable analyzers are available. DC 0 to 10mV or 0 to 100 A 2 GAS SAMPLING SYSTEM DIAGRAM (EXAMPLE) Flow checker Pump Note 1 0.4L/min Membrane filter ZAF Atmosphere Note 2 Peltier gas cooler , Standard gas for zero , Standard gas for span Note 2 Drain pot (Note 1) Dust must be purged adequately (for protection of the pump, flowmeter, etc.). (Note 2) Unnecessary when sample gas is dry. CONNECTION DIAGRAM SCOPE OF DELIVERY Analyzer main unit Panel mounting brackets Fuse 2 pieces 1 2 3 4 5 6 7 8 9 10 POWER AC 100V 50/60Hz OR AC 200, 110, 220V G 4 to 20mA 0 to 10mA OR 0 to 100 A Items to be prepared separately Sampling equipment Receiving instrument 3 ZAF OUTLINE DIAGRAM (Unit:mm) Panel 140 2 t 10 Indicator t GAS INLET 8 THERMOMAT 240 130 OUTLET POWER 268 230 GAS OUTLET ZERO SPAN RANGE 19 Terminal cover 26 169 188 Terminal board 24.2 192 197 Panel Cutout Dimensions 184 +2 0 INLET 232 +2 0 Specification card Tapping Rc1/4 182 Asterisked * items: Non-standard Caution on Safety *Before using this product, be sure to read its instruction manual in advance. Head Office 6-17, Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan http://www.fesys.co.jp/eng Sales Div. International Sales Dept. No.1, Fuji-machi, Hino-city, Tokyo, 191-8502 Japan Phone: 81-42-585-6201, 6202 Fax: 81-42-585-6187 http: //www.fic-net.jp/eng Information in this catalog is subject to change without notice. 33.5 Rear View 46 Printed in Japan