Hazardous location transmitters

Model 948 Pressure Transmitter

Model 948 Pressure Transmitter

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

Inquiry system 

Configure your own product according to your requirements and needs. If you are unsure of the configuration, provide us in the notes the necessary information about the existing sensor or product, even a competitor. We will be happy to help you find an alternative Viatran product. If your request is urgent, let us know. We will do our best to help you resolve this situation to your satisfaction as quickly as possible. If we have all the information, we are able to offer a model with minor differences, which is in stock and you can have another product available the next day.

If you need more information do not hesitate to contact us.

Viatran Configuration Code:


PERFORMANCE

  Full Scale Pressure Ranges 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
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 Effect
±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.
Electrical Connection 1/2" NPT Male, 3 Wires, 18AWG, 72"L
  RFI /EMI Negligible effect to 500 Mhz at
Wire Color Codes

Red  + Signal

Black  - Signal

Green  Case Ground

MATERIALS OF CONSTRUCTION

Housing
316 stainless steel
 
Wetted Materials
316 stainless steel
  Shock Limitation 100 G’s
Identification
Laser etched into body
  Mounting May be mounted by process piping, electrical con-duit, or optional mounting bracket to 2" pipe.

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

Weight 24 oz. ±3 oz.

OPTIONS

 
CL
Extra lead length
  DF Bleed port (10K PSI and below)s
  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