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DPU91_pH

DPU91_pH

分  类：其它

品  牌：欧米茄

厂  商：Omega工业测量（中国）

型  号：DPU91_pH

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发布时间：2019-12-19 17:53 浏览人数：人

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    参数
    包装
    • Large Auto-Sensing Backlit Display
    • “Dial-Style” Digital Bar Graph
    • Intuitive and “User-Friendly” Interface
    • Optional Field Upgradable Relays
    • Warning LED Indicator
    • Custom 13-Character Label Capabilities
    • Factory Reset Capability

      • The DPU91 transmitter provides asingle channel interface for manydifferent parameters including flow,pH/ORP, conductivity/resistivity,salinity and temperature. TheDPU91-BC transmitter has theadded capability of supporting thebatch module for batching control.The extra-large (3.90 x 3.90")autosensing backlit display canbe viewed at 4 to 5 times thedistance over traditional transmitters.The highly illuminated display andlarge characters reduce the risk ofmisreading or misinterpreting thedisplayed values. The display showsseparate lines for units, main andsecondary measurements as wellas a “dial-style” digital bar graph.The DPU91 is offered in both panelor field-mount versions. Bothconfigurations can run on 12 to32 Vdc power (24 Vdc nominal)and have 4 to 20 mA outputs.Designed for complete flexibility,plug-in modules allow the unit toeasily adapt to meet changingcustomer needs. Optional modulesinclude relay, direct conductivity/resistivity, batch and a PCcommunications configuration tool.The unit can be used with defaultvalues for quick and easyprogramming or can be customizedwith labeling, adjustable minimumand maximum dial settings, and unitand decimal measurement choices.

      SpecificationsGeneral
      Input Channels: 1
      Input Types: Digital serial ASCII, TTL level, 9600 bps
      Frequency Range: 0.5 to 1500 Hz
      Accuracy: 0.5% of reading (display)
      Measurement Types: Flow, pH/ORP, conductivity/resistivity, salinity, pressure, temperature or batch
      Enclosure and Display
      Case Material: PBT
      Window: Shatter-resistant glass
      Keypad: 4 buttons, injection-molded silicone rubber seal
      Display: Backlit, 7 and 14-segment
      Update Rate: 1 second
      LCD Contrast: 5 settings
      Indicators: “Dial-style” digital bar graph, LEDs for open collector, relays and warning indicator
      Enclosure: ¼ DIN, NEMA 4X/IP65
      Mounting Panel: ¼ DIN, ribbed on four sides for panel mounting clip inside panel, silicon gasket (included)
      Field Mounts: Specified to OMEGA™ field mount junction boxes
      Weight: 0.63 kg (1.38 lb) DPU91-pH/ORP Series
      Display Ranges
      For flow version visit omega.com/dpu91_flow For conductivity/resistivity version visit omega.com/dpu91_conductivity
      pH: 0.00 to 15.00
      pH Temperature: -99 to 350°C (-146 to 662°F)
      ORP: -1999 to 1999.9 mV
      Temperature: -99 to 350°C (-146 to 662°F)
      Environmental
      Ambient Operating Temperature:
          Backlit LCD: -10 to 70°C (14 to 158°F)
          Storage Temperature: -15 to 70°C (5 to 158°F)
      Relative Humidity: 0 to 100% condensing for field mount; 0 to 95% noncondensing for panel mount
      Maximum Altitude: 4000 m (13,123')
      Electrical Requirements
      Power to Sensors:
          Voltage: 4.9 to 5.5 Vdc @ 25°C, regulated short circuit protected
          Terminal Blocks: Pluggable screw type 14 AWG maximum wire gauge
      Input Power
      DC: 10.8 to 35.2 Vdc, regulated
      Current Output: 4 to 20 mA (10.8 to 35.2 VDC, 30 mA max)
      DPU91 without Relay Module: 200 mA @ 10.8 to 35.2 Vdc
      DPU91 with Relay Module: 300 mA @ 10.8 to 35.2 Vdc
      Open Collector: 1
      Overvoltage Protection: 48 V transient protection device current limiting for circuit protection and reverse-voltage protection
      Relay Specifications (DPU91-R optional relay module)
      Dry-Contact Relays: 2
      Type: SPDT Form C
      Maximum Current Rating: 5 A resistive 50 mA DC
      Maximum Voltage Rating: 30 Vdc or 250 Vac
      Hysteresis Adjustable: Absolute in engineering units (EUs)
      Latch Reset: In test screen only
      Delay: 9999.9 seconds (maximum)
      Test Mode: Set on/off
      Cycle Time: 99999 seconds (maximum)
      Maximum Pulse Rate: 400 pulses/minute
      Proportional Pulse: 400 pulses/minute
      Volumetric Pulse Width: 0.1 to 3200 s
      Pulse Width Modulation: 0.1 to 320 s
      Input Types
      Digital or AC Frequency: pH/ORP input via the digital output from the PHTX-2750 pH/ORP sensor electronics For flow models visit omega.com/ dpu91_flow
      Raw Conductivity/Resistivity: Input directly from compatible conductivity/ resistivity electrodes via direct conductivity/resistivity module or via CDTX-2850 For conductivity/resistivity models visit omega.com/dpu91_conductivity
      Input Specifications
      Digital Serial: ACSII, TTL level, 9600 bps
      Frequency Input:
          Sensitivity: 80 mV @ 5 Hz, gradually increasing with frequency
          Span: 0.5 Hz to 1500 Hz @ TTL level input
      Accuracy: ± 0.5% or reading maximum error @ 25°C (°77F)
      Resolution: 1 µS
      Repeatability: ±0.2% of reading
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    公司名称：Omega工业测量（中国）
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    公司地址：上海市宜山路1698号102单元
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