The OMEGA DP25B series Digital Panel Meters feature the biggest brightest display of any 1/8 DIN panel meter. The user can select the display color: RED ,AMBER, or GREEN. PANEL METERS with Relays and Analog Output The popular DP25B series are accurate, economical, and easy to program. The DP25B series feature a big bright four digit display plus optional dual 5 amp Form C (SPDT) relays and a choice of isolated or non-isolated analog output. The scalable 0-10 Vdc, 0-20mA, or 4-20 mA analog output can be used as a retransmission of the display value or as a proportional control output as required. The microprocessor based DP25B series includes instruments for Thermocouple, Process (DC voltage and current), and Strain Gage.
The DP25B process meter accepts a wide variety of DC voltage and current inputs to cover any typical process application. Standard features include easy front panel scaling to virtually any engineering units, selectable excitation of four voltages to work with most transducers and transmitters, front panel and remote tare function for weighing applications, and a hardware lockout to prevent unauthorized changes in setup. Four full digits and simplified scaling via the front-panel pushbuttons make it easy to set the display to read in any engineering units.
SPECIFICATIONS Input Ranges: 0-100 mV, ±50 mV, 0-10 V, ±5 V, 0-20 mA, 4-20 mA Isolation: Dielectric strength to 2500V transient per 3mm spacing based on EN 61010 for 260 Vrms or DC working voltage NMR: 60 dB CMR: 120 dB Input Protection: Voltage Input = 120 Vrms max; Current Input = 100 mA max Input Impedance: 100 Meg ohms for 100 mV or ±50 mV input range; 1 Meg ohm for 10 V or ±5 V input range; 5 ohms for 20 mA current input range Display: 4-digit, LED 9-segment, 21 mm (0.83"), (Red, Green, Amber) Analog-to-digital technique: Dual slope Internal resolution: 15 bits Read rate: 3/sec Polarity: Automatic Max error process: ±0.03% of reading, ± 1 count Span tempco: 50 ppm/°C Step response: 1 sec Warm-up to rated accuracy: 30 min Load Regulation: 1.1% Line Regulation: 0.02% per Vac Analog output (optional): 0-10 V, 4-20 mA or 0-20 mA; may be assigned to a display range or to setpoint #1, when used as a proportional control output Operating temperature: 0 to 50°C (32 to 122°F) Storage temperature: -40 to 85°C (-40 to 184°F) Relative humidity: 90% at 40°C (104°F) (non-condensing) Panel cutout: 1/8 DIN, 45 x 92 mm (1.78" x 3.62") Weight: 575 g (1.27 lb) AC Power Unit: Power: 115 Vac or 230 Vac ±10%; 50-60 Hz, 11.0 watts max. Excitation: 24 V @ 25 mA or 12 V @ 50 mA or 10 V @ 120 mA or 5 V @ 60 mA DC Power Unit: Power: 12-32 Vdc; 8.0 watts max. Excitation: 24 V @ 25 mA or 12 V, 10 V, 5 V @ 35 mA (For Low/Medium Brightness), For High Brightness use external excitation to power sensors
注: Power Options are not field installable. All units come complete with a operator’s manual.
TYPE : E : Process voltage and current inputs S : Strain gage bridge or process inputs
Power Options : : 115 Vac power leave blank -230 : 230 Vac power -DC10/32 : 10 to 32 Vdc power
Output Options : : no options leave blank -A : scaleable analog output -R : dual alarm relays -AR : analog and relay options -AI-R : isolated analog outputs and relay options