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OMB-DBK81, OMB-DBK82, OMB-DBK83, OMB-DBK84

OMB-DBK81, OMB-DBK82, OMB-DBK83, OMB-DBK84

分  类：其它

品  牌：欧米茄

厂  商：Omega工业测量（中国）

型  号：OMB-DBK81, OMB-DBK82, OMB-DBK83, OMB-DBK84

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发布时间：2019-12-19 18:14 浏览人数：人

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    • Measures Type J, K, T, E, R, S, B & N Thermocouples as well as Voltage up to ±100mV
    • Low Noise, High Accuracy, High Stability 100 kHz Maximum Scan Rate, Compatible with all OMB-LOGBOOK, OMB-DAQBOOK & DAQBOARD Models Operating at Maximum Sampling Rates
    • High Noise Immunity
    • Open Thermocouple Detection Per Channel
    • Over-Voltage Protection

      • The new OMB-DBK81/82/83/84 aredesigned to provide very low noisethermocouple and milli-voltmeasurements, with high accuracy andvery close tracking between channels.These new models providethermocouple accuracy of better than0.5°C, and noise that is typically lessthan 0.2°C p-p, with no digitalaveraging required.

      The performance of these newOMB-DBK cards is enabled throughtheir use of very low-noise amplifierson every channel. Built-in cold junctioncompensation and software-basedlinearization automatically providesyou with quiet and stable temperaturemeasurements, with no need to dealwith the usual complexities associatedwith thermocouple measurements.

      All software that supports theOMB-DAQBOARD-2000 Series andOMB-LOGBOOK also support thesenew OMB-DBK options, providing youwith accurate and stable temperaturereadings on every channel. Fourdifferent models are offered so you canchoose the one that best fits yourapplication.

      The OMB-DBK81 provides 7 differentialthermocouple/mV inputs, and installs intoany OMB-LOGBOOK and OMB-DBKenclosure. The OMB-DBK81 provideson-board screw-terminals for connectionof thermocouple/ mV signals directly tothe card.

      The OMB-DBK82 provides 14 differentialchannels of thermocouple/mV inputs, andis physically taller than other OMB-DBKcards. The OMB-DBK82 installs into anOMB-DBK60 where it can be wireddirectly to the mini-thermocoupleconnector panels. Note that the OMB-DBK82will not install into a single-heightslot in the OMB-DBK10. Further, theOMB-DBK82 consumes two expansionslots in the OMB-DBK41 10-slotenclosure.

      Specifications
      System Connector:       All OMB-DBK optionshave a DB37 male,
      which mates withP1 on the OMB-DAQBOARD-2000,
      OMB-LOGBOOK or other OMB-DBK options.
      Thermocouple/mV Connector:
      OMB-DBK81: Board-mounted screw-terminals
      OMB-DBK82: Board-mounted screw-terminals
      OMB-DBK83: External pod-mounted
      removable screw-terminals
      OMB-DBK84: Mini-thermocouple connectors
      Input Types: Thermocouple types
      J, K, T, E, S, B, N; x100 (voltage)

      Inputs:
      OMB-DBK81: 7 differentialthermocouple/mV inputs
      OMB-DBK82/83/84: 14 differentialthermocouple/mV inputs
      Input Voltage Range: +/- 100mV*
      Input Impedance: 40M(differential);20M(single-ended)
      Input Bandwidth: 4 Hz
      Input Bias Current: 10nA typ
      CMRR: 100dB typ

      Maximum Working Voltage
      (signal + common mode):       ±10V
      Over-Voltage Protection: ±40V

      Power Requirements:
      OMB-DBK81:35mA max from ±15V;2mA max from ±5V
      OMB-DBK82: 60mA max from ±15V;2mA max from ±5V
      OMB-DBK83: 60mA max from ±15V;2mA max from ±5V
      OMB-DBK84: 60mA max from ±15V;2mA max from ±5V
      Operating Temperature: 0 to 50°C(32 to 122 °F)
      Voltage Accuracy: ±(0.2% of rdg + 50 mV)
      Minimum Resolution:0.1°C for allthermocouple types
      Thermocouple Accuracy: valid for one year,18 to 28°C












































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