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Model 770 Pressure Transmitter

0-5 Vdc output, Hazardous Location Approvals, 0-100 thru 100K psi

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770 uses a solid machined diaphragm sensor, which provides excellent durability and repeatability. 770 has both IS and Explosion Proof approvals, and can measure pressures up to 100K psi. A wide variety of wetted surface materials, process connections and electrical connections are available, and special wiring configurations are easily accommodated.


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Features

Many Options available
All Stainless Steel construction
IP-68 Rated


Product Selection


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)
5 Vdc
Zero and Span Balance
±1% FSO
Long Term Stability
≤±0.25% FSO per 6 months
Response Time
<2 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
12 to 30 Vdc
Power Supply Regulation Effect
≤±0.02% FSO per Volt
Output Signal
0 - 5 Vdc
Load Impedance
100K Ohms minimum
Bridge Impedance
5000 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
Electrical Connection
1/2" NPT (M), 18 AWG wire, 72"
Wire Color Codes
Red
+Power
Black
+Signal
Green
Case ground
White
-Power/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 FSP (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
DF
Bleed port (10K PSI and below)
DG
Improved temperature compensation (<5%/100°F for zero/span)
DH
Special range
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
MR
Modified electrical damping
NG
ATEX flameproof label
NH
Customer specified identification
NJ
CE label
NK
ATEX intrinsic safety label
NX
CSA intrinsic safety label
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
Y ( )
Alternate pressure ports
Note:
Application of some available options may affect standard performance. Consult your Viatran Representative for details.

Model 770 Pressure Transmitter

Product Thumbnail

Model 770 Pressure Transmitter

0-5 Vdc output, Hazardous Location Approvals, 0-100 thru 100K psi

770 uses a solid machined diaphragm sensor, which provides excellent durability and repeatability. 770 has both IS and Explosion Proof approvals, and can measure pressures up to 100K psi. A wide variety of wetted surface materials, process connections and electrical connections are available, and special wiring configurations are easily accommodated.


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)
5 Vdc
Zero and Span Balance
±1% FSO
Long Term Stability
≤±0.25% FSO per 6 months
Response Time
<2 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
12 to 30 Vdc
Power Supply Regulation Effect
≤±0.02% FSO per Volt
Output Signal
0 - 5 Vdc
Load Impedance
100K Ohms minimum
Bridge Impedance
5000 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
Electrical Connection
1/2" NPT (M), 18 AWG wire, 72"
Wire Color Codes
Red
+Power
Black
+Signal
Green
Case ground
White
-Power/Signal

Model 770 Pressure Transmitter

Many Options available
All Stainless Steel construction
IP-68 Rated

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 FSP (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
DF
Bleed port (10K PSI and below)
DG
Improved temperature compensation (<5%/100°F for zero/span)
DH
Special range
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
MR
Modified electrical damping
NG
ATEX flameproof label
NH
Customer specified identification
NJ
CE label
NK
ATEX intrinsic safety label
NX
CSA intrinsic safety label
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
Y ( )
Alternate pressure ports
Note:
Application of some available options may affect standard performance. Consult your Viatran Representative for details.

Model 770 Pressure Transmitter


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