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.
Request a Quote
Features
High Accuracy
Many Options available
All Stainless Steel construction
Performance
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
Electrical
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
Mechanical
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
Materials of Construction
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.
Options
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
Model 948 Pressure Transmitter
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.
Request a Quote
Performance
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
Electrical
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
Model 948 Pressure Transmitter
High Accuracy
Many Options available
All Stainless Steel construction
Mechanical
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
Materials of Construction
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.
Options
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