GE General Eastern pressure transmitter LPM/LPX1000 Series
The LP 1000 Series wet/wet differential pressure transmitter is ideally suited for use in clean room HVAC monitoring and control. The device offers several improvements over traditional sensors such as user accessible damping, excellent long term stability, and wet/wet differential operation where conductive fluids may be exposed to the measurement diaphragms. For applications where the pressure transmitter will be installed within one of the pressure zones, the LPM/LPX 1000 is available in a wet/wet gauge pressure configuration where the second pressure port is eliminated, byventing the sensor directly to the atmosphere.The LP 1000 Series wet/wet differential pressure transmitter is ideally suited for use in clean-room HVAC monitoring and control.
Features:
Pressure Measurement
Operating Ranges0.1, 0.2, 0.25, 0.5, 0.75, 1, 2, 2.5, 3, 4, 5, 6, 8, 10, 16, 20 inH2O and 1 psi unidirectional and bidirectional (other pressure units
available, see ordering information).Overpressure
3.5 psi for ranges 0.1 to 1 inH2O
10 psi for ranges 2 to 6 inH2O
17 psi for ranges 8 inH2O to 1 psi
Maximum Static (Line) Pressure30 psi for all rangesElectrical Supply VoltagePower Supply (Vs) (at the terminals)
Current output without display 10 to 30 VDC
Current output with display 15 to 30 VDC
Current output with display and LED indicators 20 to 30 VDC
Voltage output 10 to 30 VDC Voltage output (0 to 10 VDC) 15 to 30 VDCPower Supply Intrinsically Safe Units
LPX sensor without display 11 to 30 VDC
LPX sensor with display 17 to 30 VDC
LPX sensor with display and LED indicators 17 to 30 VDCOutput Signal OptionUnidirectional
Voltage
0 to 2.5 VDC
0 to 5 VDC
0 to 10 VDC
1 to 6 VDCCurrent
4 to 20 mABidirectional
Voltage
2.5 ±2.5 VDC
5 ±5 VDCCurrent
12 ±8 mANote: voltage outputs are three wire, current outputs are two wire.Zero Offset Adjustment±5% FSSpan Adjustment±5% FSResponse TimeUser-adjustable 10 ms to 2 s (factory default setting 10 ms)Load ImpedanceVoltage output 5 kO minimum Current output RL (kO) < (Vsupply - Vs) 20
Performance
Combined Effects of Non-linearity, Hysteresis and Repeatability±0.5% FS Best Straight Line (BSL ) ±0.25% FS BSL (optional)Static Pressure EffectsEffects may be zeroed out at operating line pressureStabilityAt standard conditions will not change by more than 1% FS
averaged over one yearSupply Sensitivity<0.05% FS per voltCompensated Temperature Range32 to 122° F (0 to 50° C)Temperature EffectsOver the range 32 to 122 °F (0 to 50° C)
Ranges from 0.1 inH2O to 0.5 inH2O ±0.01 inH2O
Ranges from 0.8 inH2O to 1 inH2O ±0.02 inH2O
Ranges from 2 inH2O to 3 inH2O ±0.05 inH2O
Ranges from 4 inH2O to 6 inH2O ±0.10 inH2O
Ranges from 8 inH2O to 14 inH2O ±0.20 inH2O
Ranges from 16 inH2O to 28 inH2O ±0.40 inH2O
Environmental
ProtectionType 3 IP 64 (Except with C2 screw terminals)Temperature RangeOperating 32 to 122 °F (0 to 50 °C)Humidity0 to 100% RH, non condensing.Mounting Position EffectNo effect on span, possible zero shift correctable by potentiometer adjustment.Note:
Factory calibrated with diaphragm in the vertical plane.
Physical
HousingAluminumWetted PartsGases and liquids compatible with aluminum, stainless steel 316L, beryllium copper, brass, Inconel X750, adhesives
and plastics.Electrical Connection
DIN 43650A plug with free mating socket
Screw terminals outside body
DIN C plug with free mating socket
Pressure Connection10-32 UNF female to 0.125 in (3.175 mm) barbed fittingWeight:1 to 2 lb (0.45 to 0.91 kg) approx depending upon configurationCertificationsCE marked
ATEX Intrinsically Safe (optional, on current output model only) LCIE05ATEX6081X
- Ranges ±0.1 to ±30 inH2O (0.25 to 70 m bar)
- Accuracy: ±0.5% FS BSL (±0.25% FS optional)
- Long term stability: > ±0.5% FS / Year
- Calibration certificate option
- Wet/wet differentialpressure
- User accessible damping
- Unidirectional or bidirectional operation
- Current or voltage output
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