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.

Features

High Accuracy

Many Options available

All Stainless Steel construction

IP-68 Rated

High Pressure Applications

Performance

Full Scale Pressure Range: 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

Supply Voltage: 11.5 to 28 Vdc

Power Supply Regulation Effect: ≤±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 Connection: 1/2″ NPT (M), 18 AWG wire, 72″

Wire Color Codes:

Red +Power/Signal

Black -Power/Signal

Green Case ground

White No Connection

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