K-PATENTS - PR-23-M 化學腐蝕性溶液濃度計--小管路型


特色:

  • PR-23-M,電極感測裝置專為侵蝕性化學溶液、氯鹼工業及超純化學製程設計,使用特殊材質,耐強酸強鹼。
  • 管路接頭尺寸: Thread G 1/2"(F) or Thread NPT 1/2"(F)
  • 標準測量範圍為R.I. 1.3100 ~ 1.5400 (spinel prism)。 可選購其它範圍為R.I. 1.2600 ~ 1.5000 (sapphire prism)及R.I. 1.3900 ~ 1.6200 (YAG prism)
  • 與液體接觸材質:Teflon® or Kynar® , Sapphire (Al2O3), Kalrez® and Spinel (MgAl2O4),具抗化學及機械防護力。
  • 精確度+/- 0.0002 Refractive Index。
  • 樣品中的顆粒、氣泡或顏色改變不會影響測值精確度。
  • 數位原理:校正後不因時間而偏移,電極校正完成後無需再次校正。

 

應用範圍:

  • CHLOR-ALKALI INDUSTRY 氯鹼工業
  • CORROSIVE CHEMICALS 腐蝕性化學製品
  • ULTRA PURE FINE CHEMICALS 超純化學製品
  • ELECTRO-CHEMICALS 電化學等應用

 

Refractive Index range, standard  Full range, nD1.3200...1.5300 (corresponds to 0...100% b.w.), sapphire prism
Refractive Index range, option nD1.2600...1.4700, sapphire prism
Accuracy

nD± 0.0002, typically corresponds to ± 0.1% b.w.

Repeatability nD± 0.0001, typically corresponds to ±0.05% b.w.)

Speed of response 1s undamped, damping time selectable up to 5 min
Patented CORE-Optics

No mechanical adjustments and digital measurement with 3648 pixel CCD element,

sodium D-line light emitting diode (LED), built-in Pt-1000 temperature sensor

Temperature compensation Automatic, digital compensation
Instrument verification With standard nD liquids and the documented procedure (ISO 9000)
Ambient temperature Sensor: -20 °C...45 °C (-4 °F...113 °F); Indicating transmitter: 0 °C...45 °C (32 °F...122 °F)
Process temperature: -20 °C...130 °C (-4 °F... 266 °F)
Sensor protection class: IP67, Nema 4X
Approvals for hazardous locations:

Non-Sparking/Non-Incendive version: ATEX certified for Zone 2 area, Ex II 3 G, EEx nA IIC T4 Gc; FM certified for Class I, Div. 2, Groups A, B, C & D hazardous locations, T6; CSA certified for Class I, Div. 2, Groups A, B, C & D, T4; IECEx certified, Ex nA IIC T4 Gc

Intrinsically safe version: ATEX certified for Zone 0 area, Ex II 1 G, EEx ia IIC T4 Ga; FM certified for Class I, Div. 1, Groups A, B, C & D, T4 (for U.S.A. and Canada); IECEx certified, Ex ia IIC T4 Ga

Approval for electrical safety cCSAus certified, Equipment Class I, Poll. Deg. 2 / Transmitter, Poll. Deg. 3 / Sensor, Install. Cat. II
SENSOR PR-23-M Process connection with Thread G1/2" (F) or Thread NPT 1/2" (F)
Sensor wetted parts Teflon® PTFE or Kynar® PVDF (Polyvinylidenefluoride), prism gasket Teflon® PTFE, prism sapphire, O-ring Kalrez, adaptor sapphire
Sensor weight 5.5 kg (12 lbs)
INDICATING TRANSMITTER DTR
Display 320x240 pixel graphical LCD with LED backlight, keypad with 8 membrane keys
Current output Two independent current outputs, 4-20 mA, max. load 1000 Ohm, galvanic isolation 1500 VDC or AC (peak), hold function during prism wash
Fieldbus and industrial Ethernet connectivity: Through Fieldbus converter to Modbus/TCP, Modbus RTU and Ethernet/ IP networks
Power AC input 100-240 VAC/50-60 Hz, optional 24 VDC, 30 VA
Alarms/Wash relays Two built-in signal relays, max. 250 V/3 A
Sensor connectivity One or two sensors can be connected to one DTR. Sensors independent with own parameter sets and usable in different applications. Two current outputs configurable independently to indicate process concentration or temperature of either sensor.
Indicating transmitter weight 4.5 kg (10 lbs)
Transmitter protection class Polycarbonate enclosure IP66, Type 4X (indoor use); AISI 304 Stainless steel enclosure IP66 (Indoor use)
INTERCONNECTING CABLE IEC 61158-2 compliant two-wire cable
Interconnecting cable length Standard 10 m (33 ft), max. 200 m (660 ft). Cable fittings to Indicating transmitter: European cable glands M20x1.5 or US conduit hubs