High performance pressure transducer

Model 970 Pressure Transmitter

Model 970 Pressure Transmitter

Designed for applications including offshore oil rigs, oil production platforms, natural gas pipelines and rig safety systems, 970 uses a solid machined stainless steel diaphragm.

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MODEL 970 PRESSURE TRANSMITTER

HART® output, 0-100 thru 100K psi, Hazardous Location Approvals


Designed for applications including offshore oil rigs, oil production platforms, natural gas pipelines and rig safety systems, 970 uses a solid machined stainless steel diaphragm.

Performance characteristics

Full Scale Pressure Ranges 0-100 thru 0-100K, PSIA, PSIS (0-6.89 thru 0-6894 bar)
Turndown (≤20K PSI) 4:1 with no degradation in static accuracy or thermal effect
Static Accuracy ≤±0.1% FSO (combined linearity, hysteresis and zero repeat)≤±0.25% FSO (Ranges 25,000 PSI & Up)
Full Scale Output (FSO)

16 mA ±0.1% FSO

16 mA ±0.5% FSO

Dynamic Response Time ≤300 mSec to reach 63% 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 characteristics

Supply Voltage 11.5 to 28 Vdc
Power Supply Regulation ≤±0.02% FSO per Volt
Output Signal 4 - 20 mA
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 Connections 1/2" NPT (M), 18 AWG wire, 72"
Pin Outs
Red +Power/Signal
Black -Power/Signal
Green Case ground
White No Connection
 

Materials of Construction

Enclosure

0-100 thru 0-15K PSI15-5 PH and 316 stainless steel (0-6.8 thru 0-1034 bar)

0-20K thru 0-100K PSI316 SST and PH 13-8 Mo SST (0-1378 thru 0-6894 bar)

Wetted Parts

0-100 thru 0-15K PSI15-5 PH stainless steel (0-6.8 thru 0-1034 bar)

0-20K thru 0-100K PSIPH 13-8 Mo SST (0-1378 thru 0-6904 bar)

Shock Limitation 100 G’s
Weights 24 oz. (0.680 kilograms)
Identification Laser etched onto body
Enclosure Classification NEMA 4X

Mechanical characteristics

Pressure Connection 0-50 thru 0-15K PSI1/4" - 18 NPT Female (0-3.3 thru 0-1034 bar)
0-20K thru 0-50K PSI1/4" F250-C High Pressure Tube (0-1378 thru 0-3447 bar)
0-60K thru 0-100K PSI5/16" F312C High Pressure Tube (0-4136) thru 0-6894 bar)
Proof Pressure

0-100 thru 0-15K PSI1.5 times FSPR or 20K PSI (1378 bar), (0-6.8 thru 0-1034 bar) whichever is less
0-20K thru 0-100K PSI1.2 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 PSI1.5 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

Options 

DF
Bleed port (10K PSI and below)
DG
Improved temperature compensation (<5%/100°F for zero/span)
DH
Special range
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
TW
Russia Intrinsic Safety and Flameproof
Y ( )
Alternate pressure ports
Note:
Application of some available options may affect standard performance. Consult your Viatran Representative for details.

 

Drawings

 

 

 

Model 245 Pressure Transmitter DigiComp

0-5 VDC, High Accuracy, 3 thru 5000 psi

Viatran's Model 245 DigiComp pressure sensor is among our most accurate pressure transmitters for industrial test and research applications. The 245 measures gage and absolute pressure from 3 PSI to 5,000 PSI (0.2 to 345 bar) with standard accuracy of ≤±0.06% FSO.

Model 245 Pressure Transmitter High Range

0-7500 thru 100K psi, 0-5Vdc output, 0.15% accuracy

Viatran's Model 245 High Range pressure sensor is among our most accurate pressure transmitters for industrial test and research applications at higher pressures. Improved accuracies are available, as well as improved temperature performance. 

Model 345 Pressure Transmitter High Range

0-7500 thru 100K psi, 4-20 mA output, 0.15% accuracy

Viatran's Model 345 High Range pressure sensor is among our most accurate pressure transmitters for industrial test and research applications at higher pressures. Improved accuracies are available, as well as improved temperature performance.

Model 345 Pressure Transmitter DigiComp

4-20 mA output, High Accuracy, 3 to 5000 psi

Viatran's Model 345 DigiComp pressure sensor is among our most accurate pressure transmitters for industrial test and research applications. The 345 measures gage and absolute pressure from 3 PSI to 5,000 PSI (0.2 to 345 bar) with standard accuracy of ≤±0.06% FSO.

Model 422 Pressure Transmitter

0-5 Vdc, 0-3 to 5000 psi
Designed for Overhead Junction Boxes

Model 422 is small in size, but packsa high-performance punch. The electronics and silicon sensor design have a combined accuracy of better than ±0.08%. 

Model 423 Pressure Transmitter

4-20 mA, 0-3 to 5000 psi
Designed for Overhead Junction Boxes

Model 423 is small in size, but packs a high-performance punch. The electronics and silicon sensor design have a combined accuracy of better than ±0.08%.

Model 424 Pressure Transmitter

0-5 Vdc, 0-3 to 5000 psi
For use in applications requiring small footprint

Developed for engine test stands with space constraints, the Model 424 is small in size, but packs a high-performance punch. The electronics and silicon sensor design have a combined accuracy of better than ±0.08%.
Available standard output is 0-5 Vdc for PSIA or 0.25 - 5.25
Vdc for PSIG measurements.

Model 570 Pressure Transmitter

4-20 mA, 0-100 psi thru 100K psi, Hazardous Approvals

570 provides a rugged, sealed solution for hazardous rated and harsh environments.

Model 571 Pressure Transmitter

Sealed External Adjustment, Hazardous Approvals, 0-100 thru 100K psi

571 is Viatran's answer to the requirement for Hazardous Location approvals with external sealed adjustments. 571 is rangeable, offering the user flexibility if measuring different pressure levels.

Model RM570 Pressure Transmitter

4-20 mA, 0-100 Bar thru 0-350 Bar

RM 570 transmitters provide a rugged, sealed solution for the harsh industrial environments found in Rolling Mills and the metals industry.

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.

Model 870 Pressure Transmitter

mv/V output, 0-100 thru 100K psi, Hazardous Location Approvals

870 employs a solid machined diaphragm sensor which provides a rugged and reliable solution with excellent repeatability and resistance to pressure spikes. 870 hazardous approval options include Intrinsically safe and Explosion proof for US, Canada and Atex.

Model 848 Pressure Transmitter

mv/V output, Hazardous Location Approvals, 0-1.5 thru 5K psi

848 is a mv/V output, oil fill sensor with hazardous location approvals. In ranges from 1.5 to 5K, the 848 is available in Vacuum, Absolute and Gage formats to cover a broad spectrum of applications.

Model 948 Pressure Transmitter

4-20 mA HART® Signal, Hazardous Location Approvals, 0-1.5 thru 5K psi

948 is Viatran's low pressure HART® transmitter with hazardous location approvals. Applications include fuel tank level, gas compressors, chemical processing.

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