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產(chǎn)品名稱：TMA 202低流量固定式或便攜式水分分析儀
產(chǎn)品型號(hào)：TMA 202低流量固定式或便攜式水分分析儀
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TMA 202低流量固定式或便攜式水分分析儀 1,用于可燃?xì)夂透g性氣體中水分測(cè)量 2,響應(yīng)時(shí)間短 3,高靈敏度和液晶顯示 4,自動(dòng)調(diào)節(jié)和遠(yuǎn)程控制 5,RS232和報(bào)警輸出功能

詳情介紹：

TMA 202低流量固定式或便攜式水分分析儀
1,用于可燃?xì)夂透g性氣體中水分測(cè)量
2,響應(yīng)時(shí)間短
3,高靈敏度和液晶顯示
4,自動(dòng)調(diào)節(jié)和遠(yuǎn)程控制
5,RS232和報(bào)警輸出功能

TMA 202

Moisture in corrosive and combustible gases (Exi)!
Extreme short response time
High sensitivity
Multifunctional LC-display
Fully microprocessor-controlled
Zero-/ Span- Calibration
Auto-ranging, Remote-control
Serial port RS 232
2 alarm contacts
Automatic self-check
fulfils NAMUR

Principle of Operation

The P2O5-sensor uses the principle of dissociation of water to hydrogen and oxygen. The sensor element itself consists of a round glass body on which two electrodes are wound at constant distance. Depending on the sensor type these electrodes are either made out of platinum- or rhodium wire. Between these electrodes a thin film of phosphoric acid (H3PO4) is applied. The sensor-current causes the water contained in the acid to dissociate to hydrogen and oxygen. The result of this process is P205 (diphosphorous pentoxyde). P205 is a highly hygroscopic substance which absorbs the water from the sample gas. Through continuous dissociation of the water a balance between the water content of the sample gas and the water which is being dissociated builds up. The electrolysis current is proportional to the water content in the sample gas. It is displayed on the instrument readout after it is processed by the instruments signal amplifier. This principle of measurement can be used on all gases (Cl2, HCl, H2S, H2SO4, HBr, SO2, SF6, CO2, PH3, all inert gases and hydrocarbons) except those which chemically react with phosphoric acid or polimerise.

Analyzer

Ranging		manual, RS 232, extern, auto-ranging
Digital output		-2 potentialfree relays for alarm (max. 230 V / 1 A) -5 potentialfree relays for range identification
Analog outputs with range identification		0 -20 mA (< 500 Ω) 4 - 20 mA (< 500 Ω) 0 -10 Vdc (> 100 kΩ)
Ranges		10 ppm/v 100 ppm/v 1.000 ppm/v 2.500 ppm/v service: 5.000 ppm/v
Display		LC-multifunctional
Serial port		RS-232 Modem
Input		5 contacts (for ext. range switching)
Sensitivity		+/- 0,1 % fs
Voltage		230 V/50 Hz (110 V)
Power consumption		8 W
Operating Temper.		-10°C to +50°C

Dimensions		L = 257 mm H = 160 mm (3 U) D = 316 mm
Weight		6 kg

The Analyzer

The new trace moisture-analyzer TMA is fully microprocessor-controlled and is designed to operate in rough field service. The amplifier is a high technology, solid state unit which is available as a desk-, as a portable version and as a 19"-rack. 2 alarm-levels can be set, 5 potentialfree contacts for range identification, one analog output and one serial port RS 232 are integrated. For remote control there are 5 isolated input contacts to switch the ranges externally. The system can be set in 4 modes: manual, RS 232, external, auto-range. The high quality LC-display shows the measuring result in ppm/v, the alarm-levels which are set and also the mode (for example: auto ranging). The cable-clamps of the sensor are of special high quality water proof connectors. After switching on the unit, the instrument automatically does a self-check (zero-/span-control) To measure in explosive hazardous areas the unit will be fitted with safety barrieres (intrinsically-safe, zone 1). A portable unit with rechargeable battery and built in charger is also available.

Analyzer	Configuration	Application
TMA-202	calibrated for sensors 20 sl/h	standard-applications, continuous control of H2O- level, advantage: low gas consumption
TMA-204	calibrated for sensors 20 sl/h	fast response-time, especially suitable for dry and particle-free gas analysis, recommended for portable application
TMA-210	calibrated for sensors 100 sl/h	standard-applications, recommended for by-pass installation, fast response-time
TMA-204-P	Portable design
TMA-202-ZB TMA-204-ZB TMA-210-ZB TMA-204-P-ZB	Exi-intrinsically-safe (Zone 1) (portable design)	with built-in safety-barriers (ATEX EEx ia IIC/IIB)

19"- racks, 3 U and wall mounting enclosures are also available (enclosures with protection-class IP 54/64 on request)

Order examples

Analyzer TMA-202	Sensor, 316 SS Sensor, monell 400 Sensor, Hastelloy Sensor, Glas Sensor, PFA	TMS-SS/P/20 TMS-M/P/20 TMS-H/P/20 TMS-G/P/20 TMS-P/P/20
Analyzer TMA-204	Sensor, 316 SS Sensor, monell 400 Sensor, Hastelloy Sensor, Glas Sensor PFA	TMS-SS/P/20-F TMS-M/P/20-F TMS-H/P/20-F TMS-G/P/20-F TMS-P/P/20-F
Analyzer TMA-210	Sensor, 316 SS Sensor, monell 400 Sensor, Hastelloy Sensor, Glas Sensor PFA	TMS-SS/P/100-F TMS-M/P/100-F TMS-H/P/100-F TMS-G/P/100-F TMS-P/P/100-F

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產(chǎn)品名稱：TMA 202低流量固定式或便攜式水分分析儀