Your Source for Process Measurement & Control
Strain Meter - Controller
- Big Bright LED Display
- Scaling in Wide Range of Engineering Units
- Built-In Excitation
- Analog Output Optional
- Dual Relays Optional
- Tare Button
- Gross/Net Reading or Peak Reading Software Configurable
Description The trodeks 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, RTD, Dual/Differential Thermocouple, Dual/Differential RTD, Process (DC voltage and current) Strain Gage, pH, ORP.
The DP25B-Sstrain meter/controller 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.
The DP25B-S strain meter is ideal for use with pressure transducers, load cells, or any strain gage type transducers. Four full digits and simplified scaling via the front-panel pushbuttons make it easy to set the display to read in any engineering units.
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 260Vrms 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
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, 11.5 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: 10-32 Vdc; 7.5 watts max.
Excitation: 24 V @ 25 mA or 12 V, 10 V, 5 V @ 35 mA (For Low/Medium Brightness)
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