• NEO MonitorsÀÇ LaserGas™ III SP °¡½º ºÐ¼®±â´Â ±¤ÇÐ ±â¹ÝÀÇ Laser TDLAS ¹æ½ÄÀ¸·Î ÀÎÁõ ¹Þ¾Æ, Ưº°È÷ À§Çè Áö¿ª¿¡¼ ÀÛµ¿µÇµµ·Ï ¼³°èµÇ¾úÀ¸¸ç SIL2 ½Ã¼³¿¡¼µµ ´Üµ¶À¸·Î »ç¿ë °¡´ÉÇÑ Á¦Ç°ÀÔ´Ï´Ù. ½ºÅÃ(Stack)À̳ª ´öÆ®(Duct) ¶Ç´Â ÆÄÀÌÇÁ(Pipe) ¹× ¹ÝÀÀ±â º»Ã¼(Reactor vessel)°¡ ÀÖ´Â ÇöÀå¿¡¼ ºÐ¼®±âÀÇ ¼Û½Å±â¿Í ¼ö½Å±â¸¦ ¼·Î ¸¶ÁÖº¸µµ·Ï ¼³Ä¡µÇ¹Ç·Î ¹ø°Å·Î¿î »ùÇøµ ÀåÄ¡°¡ ÇÊ¿äÇÏÁö ¾Ê½À´Ï´Ù. ÀÌ ºÐ¼®±â´Â ÁÖº¯ °¡½º¿¡ ´ëÇÑ ±³Â÷ °£¼· ¾øÀÌ ¿Â¶óÀÎ ºÐ¼®À» ½Å¼ÓÇÏ°Ô Á¦°øÇÕ´Ï´Ù. ÁÖ¿ä Æ¯Â¡
• Zone 1 (¹æÆø Ex-d) • SIL2 ÀÎÁõ
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• SPECIFICATIONS
- Response time: 1 second or longer
- Precision (Repeatability): +/- LDL or 1% of reading, which ever is greater - Linearity: 1% rel. • ENVIRONMENTAL CONDITIONS
- Operating temperatures(ATEX): -40 °C to +65 °C - Operating temperatures(CSA): -40 °C to +60 °C
- Storage temperatures: -40 °C to +70 °C - Protection classification: IP65 • INPUT / OUTPUT
- Analog output(3): 4 - 20 mA current loop(concentration and transmission) - Digital output: 10/100 Base T Ethernet (Modbus/TCP) - Relay output: High gas, warning/fault (normally closed) - Analog input: 4 - 20 mA Process temperature and pressure reading • RATINGS
- Power supply: 18 - 32 VDC) - CSA rating: Class 2 supply - Power consumptions: max 20W
- 4 - 20 mA: 500 Ohm max. load impedence, not isolated - Relay output: 1 A at 30 VDC • SAFETY
- Laser class: Class 1M according to IEC 60825-1, eye safe - CE: Certified - EMC: Conformant with directive 2014/30/EU • APPROVALS
- ATEX zone 1: Ex db [op is Ga] IIC T4 Gb, Ex tb [op is Da] IIIC T100 °C Db - CSA: Class I Div.2, Groups B, C and D; T4 - ATEX rating connetion box: II 2 GD Ex e IIC T5 II 2 D Ex e tb IIIC T85°C Db
- Functional safety: IEC 61508 certified
SIL2 capability
• INSTALLATION AND OPERATION
- Flange dimension: DN 50/PN 10 or ANSI 2"/150lbs(other dimenstions on request) - Alignment tolerances: Flanges parallel within 1.5°
- Purging of windows: Dry and oil-free pressurised air or nitrogen - Purge flow: 10-50l/min(application dependent) • MAINTENANCE
- Calibration: Check recommended every 12 months • DIMENSIONS / WEIGHT
- Transmitter and receiver unit(TU/RU): 215mm(length, add 50mm for purge unit) x 125mm(diameter), 3.5kg each - Window unit(optional): Wu 60(length), Wu 100(length)
- TU/RU connection box: 260mm x 160mm x 90mm, 2.5kg
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