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MAMAC SYSTEMS PR-282 Technical Information

MAMAC SYSTEMS PR-282 Technical Information

Differential pressure sensor

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For Additional Information See PR-282 Data Sheet
SPECIFICATIONS
Accuracy*: ±1% FS
Overpressure: 300% of rated range
Burst Pressure: 500% of rated range
Maximum Static Pressure: 200% of DP range
Supply Voltage: 12-40 VDC
12-35 VAC (VDC output units only)
Supply Current: VDC Units - 10 mA max.
mA Units - 20 mA max.
Load Impedance: 3K ohms max. at 40 VDC (mA output units)
1K ohms min. (VDC output units)
Enclosure: 16 Ga Steel - NEMA 1
Finish: Baked on Enamel - PMS2GR88B
EN 55022, 55024, 61000-3-3,
EMC Conformance:
61000-4-2, 3, 4, 5, 6 & 11
Compensated Temp Range: 0°F - 180°F (-18°C-82°C)
T.C. Error: ±0.025%/°F (.03%/°C)
Media Compatibility: Liquid/gases compatible to 316L SS
Port Connection: 1/8" NPT
Environmental: 10-90%RH Non-Condensing
Termination: Unpluggable screw terminal block
Wire Size: 12 Ga max.
Weight: 1.7 lbs. (.75 kg)
*
Includes linearity, repeatability, hysteresis, stability and temp compensation
U.S. PATENT NO. 6484587
ORDERING INFORMATION: PR-282-
PRESSURE
OUTPUT
RANGE
1) 0-1 VDC
1) 0-20 psid
2) 0-5 VDC
2) 0-30 psid
3) 0-10 VDC
3) 0-50 psid
4) 4-20 mA
4) 0-100 psid
(2-wire)*
5) 0-200 psid
6) 0-300 psid
7) Custom
OUTPUT
OUTPUT
AVERAGING
TYPE
1) Direct
2) Without
* Available with 24VDC supply voltage only
INSTALLATION
Inspection
Requirements
SUPPLY
VOLTAGE
A) 24 VDC
B) 24 VAC
Mounting
OUTPUT
CLIPPING
B) Without
Wiring
Technical Information
RoHS
DIFFERENTIAL PRESSURE SENSOR
Inspect the package for damage. If damaged, notify the appropriate
carrier immediately. If undamaged, open the package and inspect
the device for obvious damage. Return damaged products.
Tools (not provided)
- Digital Volt-ohm Meter (DVM)
- Appropriate screwdriver for mounting screws
- Appropriate drill and drill bit for mounting screws
Appropriate accessories
Four #8 self-tapping mounting screws (not provided)
Training: Installer must be a qualified, experienced technician
Warning:
Do not use on oxygen service, in an explosive/hazardous
environment, or with flammable/combustible media.
Disconnect power supply before installation to prevent
electrical shock and equipment damage.
Make all connections in accordance with the job wiring
diagram and in accordance with national and local
electrical codes. Use copper conductors only.
Caution:
Use electrostatic discharge precautions (e.g., use of wrist
straps) during installation and wiring to prevent equipment
damage.
Avoid locations where severe shock or vibration, excessive
moisture or corrosive fumes are present.
Do not exceed ratings of the device.
Refer to Figure 5 for mounting dimensions.
1. Remove the transducer cover using a Phillips head
screwdriver.
2. Select the mounting location.
3. Mount transducer on a vertical surface with four #8 self-tapping
screws (not provided).
4. Pull wires through bottom of enclosure and make necessary
connections.
5. Replace cover and make pneumatic connections.
Use maximum 12 AWG wire for wiring terminals. Refer to
Figures 1, 2, 3, & 4 for wiring information.
(Wiring Instructions continued on pages 2 and 3.)
Model PR-282
TI.282-04

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Summary of Contents for MAMAC SYSTEMS PR-282

  • Page 1 Model PR-282 Technical Information RoHS TI.282-04 DIFFERENTIAL PRESSURE SENSOR For Additional Information See PR-282 Data Sheet SPECIFICATIONS Accuracy*: ±1% FS Overpressure: 300% of rated range Burst Pressure: 500% of rated range Maximum Static Pressure: 200% of DP range Supply Voltage: 12-40 VDC 12-35 VAC (VDC output units only) Supply Current: VDC Units - 10 mA max.
  • Page 2 7. Check for the appropriate output signal using a DVM set on DC milliamps connected in series with the [-] terminal. TYPICAL APPLICATIONS (wiring diagrams) Figure 1 and Figure 2 illustrate typical wiring diagrams for the PR-282, 4-20 mA, 2-wire, Differential Pressure Transducer. Figure 2 - Wiring for mA Differential Pressure Transducers where the Controller or...
  • Page 3 Shield/Ground Caution: If you are using grounded AC, the hot wire must be on the [+] terminal. Also, if you are using a controller without built-in isolation, use an isolation transformer to supply the PR-282. Caution: This product contains a half-wave rectifier power supply and must not be powered off transformers used to power other devices utilizing non-insolated full-wave rectifier power supplies.
  • Page 4 1. Verify that the unit is mounted in the correct position. DIMENSIONAL DATA 2. Verify appropriate input signal and supply voltage. Figure 5 - PR-282 Differential Pressure Transducer dimensions shown in inches. CAUTION: Never connect 120 VAC to these transducers.

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