2251 Panelmeter

Product catalog summary

Overview: The 2251 Panelmeter is designed for use with two pulse sensors, such as NPN, PNP, Namur sensors, closing contacts, or pickups. It calculates frequency differences or ratios and displays them on a 6-digit scaleable display. The device supports a wide input frequency range from 0.0001 Hz to 5 kHz.

Specifications:

Input Frequency Range: 0.0001 Hz to 5 kHz
Display: 6-digit, scaleable, with selectable decimal points
Output: Galvanically isolated 0/4-20 mA, 0-10 V, RS232, RS485
Alarm Relays: 2, with adjustable levels
Pulse Output: For cumulative counter, divider range 1-64000
Sensor Supply: 24 VDC, max. 150 mA
Power Supply: 85-240 VAC or 12-32 VDC/24 VAC
Protection: IP65 front panel with rubber gasket

Features:

Selectable digital filter for input pulse
Optional cards for output, alarms, and serial communication
Separate passwords for configuration and alarms
Brightness of the display is adjustable

Applications: The panel meter is suitable for applications requiring differential display of flow rates, such as in flow sensors where it can calculate and display differences or ratios of input frequencies.

Installation and Configuration: The panel meter includes slots for input and optional cards, allowing for easy modification without calibration. It supports various sensor types and provides a power supply for sensors.

Ordering Information: The panel meter can be ordered with different configurations, including optional cards for output and alarms. A green LED display version is available upon request.

Technical Details: