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美国omega OMEGA 双通道过程监测器1/8 DIN尺寸 DP3300-B
B, 4-20 mA input channel one, 0-10 Vdc pulse input channel two, and 0 to 5 Vdc Pulse
Monitor Flow/Temperature, Flow/Pressure or Humidity/Temperature in a Single Unit
Pulse Input Channel Monitors Count, Rate, RPM or Frequency
Programmable Scaling on Both Channels
Auto/manual Scanning of Channels
Six Different Counter Modes
Works as Totalizer and Batch Counter
Programmable Time Base for Rate
Displays Frequency in 0.01 Hz Resolution
Three Programmable Alphabets for Engineering Units e.g. PSI. (On Analog CH.)
Relay Status Indication on Front Panel
Two Alarm Relays for Each Channel
Captures Min/Max Readings
Built-in Alarm Buzzer
Keeps Track of Process Run Time
Password Security to Prevent Unauthorized Program Changes
产品描述
Highly versatile, the DP3300 series is a dual input meter. The meter can either monitor two analog inputs or an analog input and a pulse input.
On the analog channel, signals from thermocouples, RTD's, or thermistors are linearized and displayed in degrees Centigrade or Fahrenheit. Voltage and current signals are displayed in engineering units. Scaling is easily done from the front keys. A three digit engineering units are programmable for recognition of the process being monitored. (e.g. Lbs, PSI, YDS).
The pulse Input on channel two can be programmed as an up/down counter, rate, rpm or frequency monitor. Scaling allows for converting incoming pulses to engineering units (e.g. pulses from a flow meter can be scaled to display flow, rate of flow etc).In counter mode, the unit offers three presets along with built in delay timers. As a rate indicator, it offers a programmable time base from 0.100 to 9999.999 seconds. In RPM mode, the channel counts incoming pulses and displays the data as revolutions per minute. In frequency mode, an internal crystal reference is used to indicate the frequency of incoming pulses.
Options include 220 Vac and 15 Vdc power supplies, either six relay or open collector outputs.
Examples of pricing for popular models is referenced in the "To Order" box. Use the "Part Number Builder" below to get pricing for all available models.
For complete product specifications see the Related Links section at the bottom of this page.