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Digital Pressure Gauges with Alarms and Analog Output Functions

DPG1000 Series

Digital Pressure Gauges with Alarms and Analog Output Functions | DPG1000 Series

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R$3.505,00 DPG1000ADA-15G-1N

  • AC 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
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Descrição

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 AC/DC Powered with Dual Alarms
SPECIFICATIONS
Accuracy: ±0.25% FSO or better, ±1 least-significant digit (includes linearity, hysteresis, repeatability)
Controls and Location: Display zero/span, non-interactive, ±15% range; setpoint 1 and setpoint 2, 0 to 100% range; top-accessible, multiturn potentiometers
Alarm Deadbands (Hysteresis): 1% of FSO, standard
Alarm Outputs: Dual form “C” (SPDT) relay contacts; individual setpoint 1 and setpoint 2 settings via top-accessible multiturn potentiometers; high/low alarm configuration standard, others available; relay contacts rated 1 A/24 Vdc, 0.5 A/115 Vac, non-inductive
Alarm Indicators: Bicolor (red/green) LEDs on front panel
Test Function: Front-panel TEST button, when depressed, toggles both SP1 and SP2 alarm status, independent of pressure input, to allow testing of system operation
Alarm Response Time: 100 ms typical
Power: Any AC source of 8 to 24 Vac, 50/60 Hz, or any DC source of 9 to 32 Vdc, 1.0 W maximum; optional wall-mount power supply available to operate on 115 Vac (DPG1000-PS)
DPG1000DAR DC Powered with Dual Alarms and 4 to 20 mA Output
SPECIFICATIONS
Accuracy: ±0.25% FSO or better, ±1 least-significant digit (includes linearity, hysteresis, repeatability)
Controls and Location: Display zero/span, non-interactive, ±15% range; setpoint 1 and setpoint 2, 0 to 100% range; test calibration level, 0 to 100% range; top-accessible, multiturn potentiometers analog output zero/span; internal potentiometers
Alarm Deadbands (Hysteresis): 1% of FSO, standard
Alarm Outputs: Dual form “C” (SPDT) relay contacts; individual setpoint 1 and setpoint 2 settings via top-accessible multiturn potentiometers; high/low alarm configuration standard; relay contacts rated 1 A/24 Vdc, 0.5 A/115 Vac, non-inductive
Alarm Indicators: Bi-color (red/green) LEDs on front panel
Alarm Response Time: 100 ms typical
Analog Output: 4 to 20 mA DC; output drive (compliance) determined by power source
Analog Output Response Time: 50 ms, typical
Test Function: Front-panel TEST button, when depressed, toggles both SP1 and SP2 alarm status and simultaneously sets display and analog output to “calibration” level, independent of pressure input, to allow testing system operation
Power: Any DC source of 9 to 32 Vdc, 1.0 W max
Electrical Connection: 0.9 m (3') long, 4-conductor 22 AWG shielded cable for power and retransmitted output; 0.9 m (3') long, 6-conductor 22 AWG cable for alarm contacts

ALARMS (final siffix 1N standard)
1 = HI/LO (standard)
2= HI/HI
3= LO/LO
N = Normal Acting (standard)
R = Reverse Acting
Example: DPG1000ANA-15G-3R HAS LO/LO ALARMS, Reverse Acting

For alternative Digital Pressure Gauges please visit the following links:
DPG-108
DPG104-DPG104S
DPG-110
DPG-101
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Código de Produto/Desc.
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Descrição
ABSOLUTE PRESSURE MODELS
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DPG1000ADA-15A-1N
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GAGE PRESSURE MODELS
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DPG1000ADA-15G-1N
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Disponível em: Em estoque
 
Range (psi) 0 to 15.00, Hi/Lo Alarms
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DPG1000ADA-100G-1N
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Range (psi) 0 to 200, Hi/Lo Alarms
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DPG1000ADA-300G-1N
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DPG1000ADA-3KG-1N
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ACCESSORY
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DPG1000-PS
R$226,00
Disponível em: Em estoque
 
Wall Mount 115Vac Power Supply
Preços indicados em Reais e já incluem todos os impostos e taxas de acordo com a legislação vigente. Nota: Comes complete with operator’s manual. Note: To order another alarm configuration, replace “-1N” with alarm configuration from table above.
Exemplo de Pedido: (1) DPG1000ADA-15G-1N AC/DC powered, 15 psig range, two alarms, one Hi, one Lo, R$3.505,00