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Digital Pressure Gauges with Alarms and Analog Output Functions

Item# DPG1000ADA-100G-1N

Digital Pressure Gauges with Alarms and Analog Output Functions Digital Pressure Gauges with Alarms and Analog Output Functions
Using the DPG1000ADA and DPG1000DAR Alarm Outputs Normal (Fail-safe) vs. Reverse Action—The convention for alarm action is that with the normal or fail-safe configuration, the alarm output relays will be CLOSED (relay energized) for a clear or non-alarm condition and OPEN (relay not energized) for an alarm condition. This is primarily for users who require an alarm condition if the gauge loses power or suffers a catastrophic failure. In the wiring diagrams, the normally closed and normally open designations refer to standard relay terminology (i.e., the relay contact status with the relay coil not energized). Therefore, with the normal (fail-safe) configuration in a green or non-alarm condition, the relay will be energized so that continuity can be expected between the common and normally open leads. In a red or alarm condition, the relay will be open (not energized) so that continuity can be expected between the common and normally closed leads.
Contact Rating and Protection The contacts of the alarm relays are rated at 1 A/24 Vdc or 0.5 A/ 115 Vac. Switching loads greater than the rating, or switching large inductive loads, will shorten the useful life of the contacts. In lowlevel switching or with dry contacts, the user should consider whether external contact protection, such as snubber networks or arc suppression networks, is required to protect the contacts. In addition, no internal fusing is included in the DPG1000 contact circuits. The circuit external to the gauge alarm outputs should be fused by the user in applications in which good design dictates this practice.
Using the DPG1000DAR Analog Output The analog output is easy to use if a few system considerations are observed. The DPG1000DAR is DC powered, with the gauge power supply (–) tied to the 4 to 20 mA (–). Therefore, the DC supply (–) lead should be considered common with regard to the analog output (–) or ground connection in the user’s system. Be sure to observe the output compliance (voltage drive) capabilities of the gauge. The compliance, and therefore the maximum loop resistance the output can drive, is a function of the supply voltage to the gauge. Consult the manual for maximum loop resistance vs. supply voltage. Too large a loop resistance will cause the gauge output to “limit” or saturate before reaching its full 20 mA output.
DPG1000ADA-100G-1N
  • AD or DC Powered with Dual Alarms
  • DC Powered with Dual Alarms and Analog Output
  • Ranges between 15 psi and 3000 psi
  • Normal or Reverse Acting Alarms
  • Hi/Lo, Hi/Hi, or Lo/Lo Alarms available
  • Colored LED Alarm Status Indicators
Pressure Mode
Pressure Range
Pressure Port Type
Pressure Port Size
Power Source
Accuracy Value
Additional Features
 This item is available for quick shipping
See All Options
Quantity Price each
1-4 $500.00
5-9 $490.00
10-24 $480.00
25-49 $460.00
50-99 $455.00
100+ $450.00

In stock

Lead Time ( If not in Stock): 4 weeks

Product Specs

  • Accuracy Value ±0.25% FSO or better
  • Maximum Amp Rating 1
  • Measurement Type Pressure
  • Measurement Units PSIG
  • Repeatability +/-0.25% FSO

Using the DPG1000ADA and DPG1000DAR Alarm Outputs Normal (Fail-safe) vs. Reverse Action—The convention for alarm action is that with the normal or fail-safe configuration, the alarm output relays will be CLOSED (relay energized) for a clear or non-alarm condition and OPEN (relay not energized) for an alarm condition. This is primarily for users who require an alarm condition if the gauge loses power or suffers a catastrophic failure. In the wiring diagrams, the normally closed and normally open designations refer to standard relay terminology (i.e., the relay contact status with the relay coil not energized). Therefore, with the normal (fail-safe) configuration in a green or non-alarm condition, the relay will be energized so that continuity can be expected between the common and normally open leads. In a red or alarm condition, the relay will be open (not energized) so that continuity can be expected between the common and normally closed leads.
Contact Rating and Protection The contacts of the alarm relays are rated at 1 A/24 Vdc or 0.5 A/ 115 Vac. Switching loads greater than the rating, or switching large inductive loads, will shorten the useful life of the contacts. In lowlevel switching or with dry contacts, the user should consider whether external contact protection, such as snubber networks or arc suppression networks, is required to protect the contacts. In addition, no internal fusing is included in the DPG1000 contact circuits. The circuit external to the gauge alarm outputs should be fused by the user in applications in which good design dictates this practice.
Using the DPG1000DAR Analog Output The analog output is easy to use if a few system considerations are observed. The DPG1000DAR is DC powered, with the gauge power supply (–) tied to the 4 to 20 mA (–). Therefore, the DC supply (–) lead should be considered common with regard to the analog output (–) or ground connection in the user’s system. Be sure to observe the output compliance (voltage drive) capabilities of the gauge. The compliance, and therefore the maximum loop resistance the output can drive, is a function of the supply voltage to the gauge. Consult the manual for maximum loop resistance vs. supply voltage. Too large a loop resistance will cause the gauge output to “limit” or saturate before reaching its full 20 mA output.

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