Model LP770 Low Power Pressure Transducer
Low Power consumption, 1-5 Vdc output, 0-100 thru 0-100K psi
LP770 is designed to run on very low power, in remote applications like pipeline pressure measurement or offshore applications. LP770 has the full range of hazardous location approvals, a variety of wetted materials, process connections and electrical connections.
Request a Quote
Features
All Stainless Steel construction
Many Options available
High Pressure Applications
Performance
Full Scale Pressure Range
0-100 thru 0-100K PSIS
(0-6.89 thru 0-6894 bar)
Accuracy (RSS)
(BFSL Linearity, Hysteresis, Repeatability)
0-300 PSI thru 0-15K PSI Ranges
±0.20% FSO ( ±0.15% FSO improved with "DN" option)
< 0-300 PSI or > 0-15K PSI Ranges
±0.25% FSO ( ±0.15% FSO improved with "DN" option)
Linearity (Best Fit Straight Line)
0-300 PSI thru 0-15K PSI Ranges
±0.10% FSO (BFSL), Typical
< 0-300 PSI or > 0-15K PSI Ranges
±0.15% FSO (BFSL), Typical
Hysteresis
< ± 0.05% FSO, Typical
Repeatability
< ± 0.05% FSO, Typical
Full Scale Output (FSO)
4 Vdc
Zero and Span Balance
±1% FSO
Resolution
Infinite
Long Term Stability
≤±0.25% FSO per 6 months
Response Time
(Mechanical and Electrical Combined)
<5 mSec to reach 90% FSO
Temperature Effect on Zero
≤±1% FSO per 100°F (37°C)
Temperature Effect on Span
≤±1% FSO per 100°F (37°C)
Compensated Temperature
70°F to 170°F (21°C to 76°C)
Operating Temperature
-40°F to 190°F (-40°C to 87°C)
Storage Temperature Limit
-65°F to 250°F (-53°C to 121°C)
Electrical
Supply Voltage
7 to 24 Vdc
Power Supply Regulation Effect
≤±0.003% FSO per Volt over supply voltage range
Output Signal
1 - 5 Vdc
Current Consumption
<1.5 mA
Load Impedance
50K Ohms minimum
Bridge Impedance
5,000 Ohms nominal
Circuit Protection
Varistor protected across the input leads for surges above 40 V and currents to 250 Amps peak with a pulse width of 20 μSecs. Reverse polarity protected.
Insulation Resistance
>200 MegOhms to case ground
RFI / EMI Suppression
> Negligible effect to 500 Mhz at 5 watts direct contact
Electrical Connection
1/2" NPT (M), 18 AWG wire, 72"
Wire Color Codes
Red
+Power
Black
-Power / -Signal
Green
Case Ground
White
+Signal
Mechanical
Pressure Connection
0-50 thru 0-15K PSI
1/4" - 18 NPT Female (0-3.3 thru 0-1034 bar)
0-20K thru 0-50K PSI
1/4" F250-C High Pressure Tube (0-1378 thru 0-3447 bar)
0-60K thru 0-100K PSI
5/16" F312C High Pressure Tube (0-4136) thru 0-6894 bar)
Proof Pressure
0-100 thru 0-15K PSI
1.5 times FSPR or 20K PSI (1378 bar), (0-6.8 thru 0-1034 bar) whichever is less
0-20K thru 0-100K PSI
1.2 times FSPR (0-1378 thru 0-6894 bar)
Burst Pressure
0-100 thru 0-15K PSI
≥ 2.3 to 5 times FSPR dependent on (0-6.8 thru 0-10342 bar) sensor
0-20K thru 0-100K PSI
≥ 1.5 times FSPR or 125K PSI (8618 bar) (0-1378 thru 0-6894 bar) whichever is less
Mounting
Supported by process piping or optional mounting bracket
Materials of Construction
Enclosure
0-100 thru 0-15K PSI
15-5 PH and 316 stainless steel (0-6.8 thru 0-1034 bar)
0-20K thru 0-100K PSI
316 SST and PH 13-8 Mo SST (0-1378 thru 0-6894 bar)
Wetted Parts
0-100 thru 0-15K PSI
15-5 PH stainless steel (0-6.8 thru 0-1034 bar)
0-20K thru 0-100K PSI
PH 13-8 Mo SST (0-1378 thru 0-6904 bar)
Shock Limitation
100 G’s
Weight
24 oz. (0.680 kilograms)
Identification
Laser etched onto body
Enclosure Classification
NEMA 4X
Options
Y ( )
Alternate pressure ports performance options
DF
Bleed port (10K PSI and below)
DG
Improved temperature compensation (<± 0.5% / 100 °F for zero/span)
DH
Special range
DM
Modified output (0-10 Vdc, 770 only)
DN
Improved Accuracy (±0.15% FSO)
DQ
Cleaning for oxygen service
EA
Special calibration run
JJ
Direct mount indicator with explosion proof housing
JS
Direct mount indicator
ME
CSA explosion proof label (570/870)
MR
Modified electrical damping (570)
NG
ATEX flameproof label
NH
Customer specified identification
NJ
CE label
NK
ATEX intrinsic safety label
NX
CSA intrinsic safety label (570 / 770)
NY
FM explosion proof label
NZ
FM nonincendive label
PW
1/8 DIN digital indicator (consult factory)
QA
316 stainless steel wetted parts
QB
Inconel (X-750) wetted parts
QC
Hastelloy (C-276) wetted parts
TF
FM intrinsic safety label
TK
ATEX Non-Sparking label
YP
1/2" NPT (M) Pressure Port
Note:
Application of some available options may affect standard performance. Consult your Viatran Representative for details.
Model LP770 Low Power Pressure Transducer
Model LP770 Low Power Pressure Transducer
Low Power consumption, 1-5 Vdc output, 0-100 thru 0-100K psi
LP770 is designed to run on very low power, in remote applications like pipeline pressure measurement or offshore applications. LP770 has the full range of hazardous location approvals, a variety of wetted materials, process connections and electrical connections.
Request a Quote
Performance
Full Scale Pressure Range
0-100 thru 0-100K PSIS
(0-6.89 thru 0-6894 bar)
Accuracy (RSS)
(BFSL Linearity, Hysteresis, Repeatability)
0-300 PSI thru 0-15K PSI Ranges
±0.20% FSO ( ±0.15% FSO improved with "DN" option)
< 0-300 PSI or > 0-15K PSI Ranges
±0.25% FSO ( ±0.15% FSO improved with "DN" option)
Linearity (Best Fit Straight Line)
0-300 PSI thru 0-15K PSI Ranges
±0.10% FSO (BFSL), Typical
< 0-300 PSI or > 0-15K PSI Ranges
±0.15% FSO (BFSL), Typical
Hysteresis
< ± 0.05% FSO, Typical
Repeatability
< ± 0.05% FSO, Typical
Full Scale Output (FSO)
4 Vdc
Zero and Span Balance
±1% FSO
Resolution
Infinite
Long Term Stability
≤±0.25% FSO per 6 months
Response Time
(Mechanical and Electrical Combined)
<5 mSec to reach 90% FSO
Temperature Effect on Zero
≤±1% FSO per 100°F (37°C)
Temperature Effect on Span
≤±1% FSO per 100°F (37°C)
Compensated Temperature
70°F to 170°F (21°C to 76°C)
Operating Temperature
-40°F to 190°F (-40°C to 87°C)
Storage Temperature Limit
-65°F to 250°F (-53°C to 121°C)
Electrical
Supply Voltage
7 to 24 Vdc
Power Supply Regulation Effect
≤±0.003% FSO per Volt over supply voltage range
Output Signal
1 - 5 Vdc
Current Consumption
<1.5 mA
Load Impedance
50K Ohms minimum
Bridge Impedance
5,000 Ohms nominal
Circuit Protection
Varistor protected across the input leads for surges above 40 V and currents to 250 Amps peak with a pulse width of 20 μSecs. Reverse polarity protected.
Insulation Resistance
>200 MegOhms to case ground
RFI / EMI Suppression
> Negligible effect to 500 Mhz at 5 watts direct contact
Electrical Connection
1/2" NPT (M), 18 AWG wire, 72"
Wire Color Codes
Red
+Power
Black
-Power / -Signal
Green
Case Ground
White
+Signal
Model LP770 Low Power Pressure Transducer
All Stainless Steel construction
Many Options available
High Pressure Applications
Mechanical
Pressure Connection
0-50 thru 0-15K PSI
1/4" - 18 NPT Female (0-3.3 thru 0-1034 bar)
0-20K thru 0-50K PSI
1/4" F250-C High Pressure Tube (0-1378 thru 0-3447 bar)
0-60K thru 0-100K PSI
5/16" F312C High Pressure Tube (0-4136) thru 0-6894 bar)
Proof Pressure
0-100 thru 0-15K PSI
1.5 times FSPR or 20K PSI (1378 bar), (0-6.8 thru 0-1034 bar) whichever is less
0-20K thru 0-100K PSI
1.2 times FSPR (0-1378 thru 0-6894 bar)
Burst Pressure
0-100 thru 0-15K PSI
≥ 2.3 to 5 times FSPR dependent on (0-6.8 thru 0-10342 bar) sensor
0-20K thru 0-100K PSI
≥ 1.5 times FSPR or 125K PSI (8618 bar) (0-1378 thru 0-6894 bar) whichever is less
Mounting
Supported by process piping or optional mounting bracket
Materials of Construction
Enclosure
0-100 thru 0-15K PSI
15-5 PH and 316 stainless steel (0-6.8 thru 0-1034 bar)
0-20K thru 0-100K PSI
316 SST and PH 13-8 Mo SST (0-1378 thru 0-6894 bar)
Wetted Parts
0-100 thru 0-15K PSI
15-5 PH stainless steel (0-6.8 thru 0-1034 bar)
0-20K thru 0-100K PSI
PH 13-8 Mo SST (0-1378 thru 0-6904 bar)
Shock Limitation
100 G’s
Weight
24 oz. (0.680 kilograms)
Identification
Laser etched onto body
Enclosure Classification
NEMA 4X
Options
Y ( )
Alternate pressure ports performance options
DF
Bleed port (10K PSI and below)
DG
Improved temperature compensation (<± 0.5% / 100 °F for zero/span)
DH
Special range
DM
Modified output (0-10 Vdc, 770 only)
DN
Improved Accuracy (±0.15% FSO)
DQ
Cleaning for oxygen service
EA
Special calibration run
JJ
Direct mount indicator with explosion proof housing
JS
Direct mount indicator
ME
CSA explosion proof label (570/870)
MR
Modified electrical damping (570)
NG
ATEX flameproof label
NH
Customer specified identification
NJ
CE label
NK
ATEX intrinsic safety label
NX
CSA intrinsic safety label (570 / 770)
NY
FM explosion proof label
NZ
FM nonincendive label
PW
1/8 DIN digital indicator (consult factory)
QA
316 stainless steel wetted parts
QB
Inconel (X-750) wetted parts
QC
Hastelloy (C-276) wetted parts
TF
FM intrinsic safety label
TK
ATEX Non-Sparking label
YP
1/2" NPT (M) Pressure Port
Note:
Application of some available options may affect standard performance. Consult your Viatran Representative for details.
Model LP770 Low Power Pressure Transducer
Model LP770 Low Power Pressure Transducer