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.
PERFORMANCE
| 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 effec | |
| Static Accuracy | ≤±0.1% FSO (combined linearity, hysteresis and zero repeat) ≤±0.25% FSO (Ranges 25,000 PSI & Up |
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| Full Scale Output (FSO) | 16 mA ±0.1% FSO 16 mA ±0.5% FS |
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| 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
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Supply Voltage:
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12 to 30 Vdc
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Power Supply Regulation Effect
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≤±0.02% FSO per Volt
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Output Signal
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4 - 20 mA
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| 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 |
MATERIALS OF CONSTRUCTION
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Enclosure Materials
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0-100 thru 0-15K PSI
5-5 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) |
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Wetted Parts
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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) |
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Shock Limitation
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100 G’s
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| Weight | 24 oz. (0.680 kilograms) | |
| Identification | Laser etched onto body | |
| Enclosure | Classification NEMA 4X |
MECHANICAL
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Pressure Connection
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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) |
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Proof Pressure
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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) |
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Burst Pressure
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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 |
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| Mounting | Supported by process piping or optional mounting bracket |
OPTIONS
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DF
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Bleed port (10K PSI and below)
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DG
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Improved temperature compensation (<5%/100°F for zero/span)
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DH
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Special range
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| 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 | |
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Note: |
Application of some available options may affect standard performance. Consult your Viatran Representative for details. |