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Home » Shop » hot sale » Absolute Process Instruments APD 1520 D _ Bridge, strain gauge, load cell input dual alarm.

Absolute Process Instruments APD 1520 D _ Bridge, strain gauge, load cell input dual alarm.

Original price was: $327.20.Current price is: $224.55.

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21 in stock

SKU: APD 1520 D Category:
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Absolute Process Instruments APD 1520 D _ Bridge, strain gauge, load cell input dual alarm.

Cecomp Electronics, APD 1520 D, Dual Alarm Trip for 1 to 4 Sensor, 9-30 VDC, 10-32 VAC Power

Features with all optional accessories:

  • User adjustable setpoint(s)
  • User adjustable deadband(s)
  • 8 Amp SPDT contacts
  • Input LoopTracker LED
  • Alarm status LEDs
  • Alarm options: LO, HI/HI, LO/LO, band alarm
  • Optional reverse acting
  • Optional latching alarms
  • Push to test/reset
  • Remote push to test/reset
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount without tools
  • Factory Set Input Range and Excitation
  • Alarm Test, Optional Reset Button

Applications:

  • Load Cell Weighing Systems and Scales
  • Strain Gauge Pressure Sensors and Transducers
  • Tanks, Scales, Extruder Melt Pressure, Crane Loads

The APD 1520 D accept a strain gauge, bridge, or load cell input and provide a visual alarm indication and alarm relay contact outputs. The input is factory configured to a specific excitation voltage and millivolt input range. The input can be configured as zero-based (i.e., 0 to 20 mV), bipolar (i.e., -30 to +30 mV) for push-pull applications, or offset (i.e., 5 to 33 mV) to electronically compensate for deadweights (tare). The alarm types are factory configured. Front-accessible potentiometers are used to adjust alarm setpoint and deadband.

LoopTracker and Alarm Status LEDs

API exclusive features include a LoopTracker LED that varies in intensity with changes in the process input signal. A two red/green bi-color alarm status LED visually indicate alarm status. These LEDs provide a quick visual picture of your process at all times.

Output Test / Unlatch

API’s exclusive Output Test button can be used to verify the alarm and system operation and also provides the additional function of unlatching the alarm when the latching option has been ordered. This feature can be remotely operated. The output test button greatly aids in saving time during initial startup and/or troubleshooting.

Specifications Table:

Input 100 Ω to 10,000 Ω Bridges, 5 mV to 2000 mV, 1-10 VDC Excitation
Output Two 8 Amp SPDT Relays
Power to input isolation 1200 V
Common mode protection 600 VACp or 600 VDC
Strain Gauge Input Range Factory configured, specify sensor mV/V rating and mV range.

  • Minimum sensor rating: 5 mV.
  • Maximum sensor rating: 2000 mV
  • Millivolt range is determined by the sensitivity of the sensor (mV/V) and the excitation voltage applied.
  • mV/V sensitivity X excitation voltage = total mV range
Input Impedance 1 MΩ minimum
Excitation Voltage Factory configured, please specify excitation voltage, Refer to the sensor manufacturer’s recommendations.

  • Excitation: 1 to 10 VDC, 30 mA max.
  • Fine adjustment: Approximately ±0.25 VDC
  • Stability: ±0.01% per °C
  • Designed for one 350 W (or greater) sensor
Standard Alarm Configuration 2 setpoints, 2 SPDT relays. HI/LO alarms, non-latching, normal acting
Setpoint 12 turn potentiometer adjustable from 0 to 100% of span
Deadband 12 turn potentiometer adjustable from 1 to 100% of span
Response Time 70 milliseconds typical
Ambient Temperature Range and Stability “10°C to +60°C operating ambient
Connectors Four 4-terminal removable connectors, 14 AWG max wire size
Power 9-30 VDC or 10-32 VAC