Hardwired Instrumentation Solutions

OleumTech Hardwired Sensors and Switches


The Ideal Choice for Pressure Monitoring Applications


350° rotable screen allows for extreme mounting flexibility

Click to expand.

The above measurement ranges can be converted to MPa and kPa units. The Lower Range Value (LRV) and Upper Range Value (URV) can be adjusted within the scope of the upper and lower range limits.


  • Nominal pressure rating options:
    5, 30, 150, 400, 1500, 3K, 6K and 10K PSI
  • Reference accuracy: ± 0.075% of full span
  • Stability: ± 0.15% Upper Range Limit / 5 years
  • Output signal options:
    1) 1-5 V    2) 4-20 mA    3) 4-20 mA/HART    4) RS485 Modbus
  • Adjustable span, Turndown ratio of 20:1
  • Backlit LCD option provided with both internal
    and external buttons
  • HART support:
    - Universal and Common Practice
    Commands supported
    - Compatible with most of the HART Field
  • Diaphragm option: Hastelloy C or 316L SS
  • 2X overload pressure using dual diaphragm structure
  • Dual seal certified per CSA 22.2 No. 30-20
  • Accurate filling fluid technology eliminates
  • effects of temperature and static pressure
  • Explosion-proof (standard on all models)
  • Intrinsically Safe (4-20mA/HART options only)
  • NACE MR0175 Compliant
  • Mounting Bracket Available
  • Cooling Element Available

*The limitation of the upper range is due to the industry rating of the sensor components.

The Ideal Choice for Pressure Monitoring Applications

The OleumTech H Series Smart Gauge Pressure Transmitter is a high performance instrument utilizing the world's most advanced monocrystalline silicon pressure sensor and patented encapsulation technology. The Smart Pressure Transmitter is designed for use in rigorous industrial applications with robust resistance to chemical exposures, mechanical loads, and EMI.

The Smart Pressure Transmitter is easy to install and operate. It can be ordered with a 1/2” NPT male or female process connection option. The OleumTech H Series Smart Pressure Transmitter is a natural choice for a wide variety of oil, gas, water, wastewater, and other mission-critical applications that require a high level of accuracy and reliability.


Smart Pressure Transmitter (Smart PT) monitoring the pressure on a gas scrubber

Reliable Pressure Monitoring for Gas Scrubbers

Wellhead Flow Line, Tubing, and Casing Pressure Monitoring


Device Functionality∙ Smart Gauge Pressure Transmitter
Output Signal Options∙ 1-5 Vdc, 4-20 mA, 4-20 mA + HART, RS485 Modbus
Linear Output Accuracy∙ TD ≤10, ± 0.075% of span (With a TD ratio equal to or less than 10:1, the accuracy is 0.075% of span)
∙ 10 < TD ≤ 20, ± 0.0075% x TD of span (With a TD ratio greater than 10:1 but equal to or less than 20:1, the accuracy is 0.0075% times the turndown of the span)
LCD Display Mode∙ PV (Process Variable) / mA / %
Damping Time∙ Amplifier: 0-100 Seconds (Adj), Diaphragm Capsule and Silicone Oil Filling: ≤0.2 S, Start After Power Off: ≤ 6 S
Unit∙ PSI (Factory Default), Pa, kPa, MPa, BAR, mbar, OSI, mmHg, mHg, INHg, mmH2O, mH2O, INH2O, FTH2O, TORR, g/cm2, kg/cm2, ATM, mm, m
Analog Output Type∙ Linearity
Basic Operational Functions∙ Set PV = 0, Zero Adj (4 mA Re-range with Pressure), Span Adj (20 mA Re-range with Pressure), Factory Reset
Power Supply∙ 1-5 Vdc: 9 to 55 Vdc Max
∙ 4-20 mA: 16.5 Vdc to 55 Vdc Max (28 Vdc Max for IS)
∙ 4-20 mA/HART: 16.5 Vdc to 55 Vdc Max (28 Vdc Max for IS)
∙ RS485 Modbus: 9 to 30 Vdc Max
Power Consumption∙ 1-5 V: 5 mA (Max)
∙ 4-20 mA/HART: 21 mA (Max)
∙ HART Multi-drop: 4 mA
∙ RS485: 12 mA (Max)
Surge Protection∙ The transmitter has been tested to withstand a transient surge up to 2000 V (common mode) or 1000 V (normal mode) without damage (Per IEC Std. 61000-4-5)
Dimensions (LCD)∙ 3.7" (W) x 5.1" (H) x 5.2" (D) / 94 mm (W) x 130 mm (H) x 133 mm (D)
Weight∙ Net: 3.1 lbs. (1.39 kg), Package: 4.0 lbs. (1.81 kg)
Package Dimensions∙ 9.5" (W) x 8.0" (H) x 8.25" (D) / 241 mm (W) x 203 mm (H) x 210 mm (D)
Enclosure Casing Material∙ Type 4X Aluminum; IP66
Cable Entry Ports∙ (2) 1/2" NPT, 1 Plug Included
Process Connection∙ 1/2" NPT 316 SS: Male (6R01) or Female (6R03), See Ordering Info
Mounting Kit∙ SX1000-MK9, Includes L-Bracket 6.93" x 6.3" (176 x 160 mm), 2" U-Bolt (50.8 mm), 3" U-Bolt (76.2 mm)
Safety∙ IS Option Available on 4-20 mA and 4-20 mA/HART Only, Explosion-proof (Standard) All Models
cCSAus∙ Class I, Division 1, Groups A, B, C, D T6; Class I, Division 2, Groups A, B, C, D T4
∙ Class II, Division 1, Groups E, F, G T80 °C; Class III
∙ Ambient Temperature: Ta = -40 to 60 °C (-40 to 140 °F)
∙ Smart Pressure Transmitters, approved for hazardous locations, are dual seal certified per CSA C22.2 No. 30-20.
NACE∙ NACE MR0175 Compliant
Storage Temperature∙ -40 to 85 °C (-40 to 185 °F)
Process Temperature∙ Silicone Oil Filling (S): -40 to 120 °C (-40 to 248 °F)
Process Temp. Measurement∙ -40 to 85 °C (-40 to 185 °F), ±4% Accuracy (°C), Supported on Modbus and HART (SV) Models
Operating Humidity∙ 5 to 100% @ 40 °C (104 °F)
Warranty∙ 2-Year Parts and Labor