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.
Features
High Accuracy
Many Options available
All Stainless Steel construction
Full Scale Pressure Range (FSPR): 0-3 thru 0-5K PSIA, PSIG, PSIS
Turndown: 10:1 with no degradation on static accuracy or thermal effect
Combined Accuracy (Non-Linearity, Hysteresis, Repeatability): ≤±0.2% FSI
Total Performance: <±0.1% /span/±50°F
Thermal Effect: Over operating range: <0.35% at 1:1 -30°F to 185°F
Full Scale Output (FSO): 16 mA ± 0.1% FSO
Dynamic Response Time: < 300 mSec to reach 63% FSO
Operating Temperature Range: -40° F to 185° F
Non-Operating Temperature Range: -65° F to 250° F
Digitally compensated at 6 points from: -30° F to 185° F
Supply Voltage: 11.5 VDC min with 230 Ohms load
Power Supply Regulation: ±0.02% FSO per Volt
Output Signal: Two wire 4 to 20 mA. Digital process signal super-imposed on a 4-20 mA signal, available to any host computer system conforming to HART protocol.
Load Impedance: 230 Ohms to 1,100 Ohms for HART communication
Circuit Protection: Reverse polarity protected.
Insulation Resistance: > 200 MegOhms between all terminals in parallel and at the transmitter case.
RFI/EMI Suppression: Negligible effect to 500 Mhz at
Electrical Connection: 1/2″ NPT Male, 3 Wires, 18AWG, 72″L
Color Wire Code:
Red + Signal
Black – Signal
Green Case Ground
Pressure Connection: 1/4″ NPT(F)
Proof Pressure:
- 0-3 thru 0-500: 3 times or 1,200 PSI, whichever is less
- 0-750 thru 0-5000: 3 times or 10,000 PSI, whichever is less
Burst Pressure:
- 0-3 thru 0-500: 5 times or 2,400 PSI, whichever is less
- 0-750 thru 0-5000: 5 times or 10,000 PSI, whichever is less
Wetted Materials: 316 stainless steel
Housing: 316 stainless steel
Shock Limitation: 100 G’s
Weight: 24 oz. ±3 oz.
Identification: Laser etched into body
Mounting: May be mounted by process piping, electrical con-duit, or optional mounting bracket to 2″ pipe.
CL: Extra lead length
DF: Bleed port (10K PSI and below)
DQ: Oxygen cleaning
EA: Special calibration
NG: ATEX Flameproof label
NH: Customer specified CE label
NK: ATEX Intrinsic Safety/Nonincendive label
NX: CSA Intrinsic Safety label
NY: FM Explosion Proof /Dust Ignition Proof label
NZ: FM Nonincendive label
TF: FM Intrinsic Safety label
TJ: CSA Div/Zone 2 label
TK: ATEX Type N Label
YI: 1/8″ NPT(F)
YM: 1/4″ high pressure tube F250-C
YN: 3/8″ NPT(F)
YR: 1/2″ NPT(F)
YS: 3/8″ high pressure tube F375-C
ZC: Cable gland connection
ZU: Direct coupled cable
TW: Russia EACEx Flameproof
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