KEPmeter NAMUR DRT 2 Separate Rate and Total Displays

1 minute, 44 seconds Read


  • Displays A,B,&C Rate & A,B,&C Total
  • Separate Scaling Factors For A & B Inputs
  • “C” Displays A+B, A-B, A÷B, & A÷A+B
  • RS422/RS232 Serial Communication
  • Modbus RTU RS422/RS485/RS232 (optional)
  • Pulse Input – 10 kHz Max.
  • Security Lockout
  • NEMA 4X / IP65 Front Panel
  • NAMUR Input – 10 kH
  • 4-20mA or 0-20mA Analog Output (optional)• CSA Listed

The NAMUR DRT (NDRT) is a dual 5 digit Ratemeter 6 digit Total-izer in a 1/8 DIN package. The user selects 1 of 6 displays to show A, B or C rate and A, B or C total. Inputs A and B have separate scaling to read in engineering units. A 4-20mA (0-20mA) output of the C rate or total is optional.

The user can press the VIEW button to see 6 separate items total A, total B, total C, rate A, rate B, rate C. Negative values are displayed with a negative symbol ( – 12345 ). For the C value, the user can choose from the following combination of A&B inputs:

TOTAL; with a choice of A+B or A-B; RATIO with choice of A÷B(x100) to show the percent of A to B quantity or A÷[A+B(x100)] to show the percent of A to the total quantity. Two independent presets are standard. The user selects whether output A is activated by total or rate value of input A or selected C. Output B can be activated by total or rate value of input B or selected C.

Outputs activated by A or B total can be set to latch or auto recycle with an adjustable output duration from 00.1 to 99.9 sec. For rate, ratio, or C total outputs pull in when the value is equal or above the preset and drop out when a value is below the preset minus the selected 0 to 999 hysteresis.

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