The PX709GW Series submersible
level/depth transducers and transmitters are designed
to make precision level or depth
measurements in fresh water or
liquids compatible with 316 SS
reliably for years in harsh industrial
environments. They are also ideal
for environmental monitoring of job sites and field locations.
their 25mm (1.0") dia. fits most down hole well applications.
The PX709GW series has the proven Omega
MicroMachined silicon technology as
its core sensor. The Piezoresistive
technology uses precision solid state
strain gauges molecularly embedded
into a highly stable silicon wafer.
The silicon is mounted in a sealed
chamber and protected from the
environmental fluids by a pressure
sensitive stainless steel diaphragm.
A very small volume of silicone
oil transfers the pressure from the
diaphragm to the silicon sensor.
The cable is molded onto the case
using a unique high pressure, high
temperature system to assure the
best possible quality seal for long
life and durability. This technology
produces a very rugged, high
stability sensor with exceptional
accuracy, minimal thermal effects
and long term reliability.
Weatherproof enclosures are also available to easily terminate your transmitter at your control location. The enclosures have fittings to hold the desiccant and locations to make all your connections. They are also available with Lightning/Surge protection to protect your wiring and instruments. Protected models are available for 4-20 mA outputs or the amplified 0-5 or 0-10 Vdc outputs.
Omega has developed a Modular Manufacturing System so we can deliver almost any combination of pressure type, electrical output, pressure range and cable length with or without internal lightning/surge protection in 1-2 Weeks!
3 x Pressure Reference Types: Gauge pressure (vented through the cable), Sealed gauge pressure, Absolute pressure
4 x Electrical Outputs: mV/V, 0-5Vdc, 0-10Vdc, or 4-20 mA
Pressure Ranges: from 0-10 inH2O (0-250 mmH2O) to 0-1000 psi (0-703 mH2O)
The Standard cable length is 10 ft (3 m) and optional lengths are available up to 300 ft (91m).
The most popular models are shown in the "To Order" Table below.
To build the exact model you need,
see the "Part Number Builder" below the "To Order" Table.
SPECIFICATIONS PX709GW Series
Accuracy: Standard ±0.20% FS, BSL, Linearity, Hysteresis and Repeatability Combined
High Accuracy Option "HH" ±0.08% BSL Operating Temperature: -18 to 79°C (0 to 175°F) with no solid freeze. Compensated Temperature Range: -1 to 88°C (30 to 90¾F) Thermal Effects (Over Compensated Temperature Range): Zero Balance: Ranges > 5 psi (350 mbar): ±0.3% span Ranges ≤ 5 psi (350 mbar): ±0.5% span Span Setting: Ranges > 5 psi (350 mbar): ±0.3% span Ranges ≤ 5 psi (350 mbar): ±0.5% span Approvals: ROHS Compliant Minimum Resistance Between Transducer Body and Any Wire: 100 MΩ @ 50 Vdc (before surge protection) Pressure Cycles: 1 million, minimum Long Term Stability (1-Year): ±0.1% FS typical Shock: 50 g, 11 ms half sine shock, Vertical and Horizontal Vibration: ±20 g
Bandwidth: DC to 1 kHz typical Response Time: <500 µms CE Compliant: Meets EN 61326-1:2006 for Industrial locations (certified with 91 m (300 feet) cable length Wetted Parts: 316L SS Electrical Outputs: mV/V Output: Output: 100 mV @ 10 Vdc (Ratiometric 5 to 10 Vdc) Supply Voltage: 5 to 10 Vdc (5 mA @ 10 Vdc) Input/Output Resistance: 5000 Ω ±10% Typical Voltage Output:
Output: 0 to 5 Vdc or 0 to 10 Vdc (3 or 4 wire user selectable) Supply Voltage: 5 Vdc Output: 10 to 30 Vdc @ 10 mA
10 Vdc Output: 15 to 30 Vdc @ 10 mA Current Output: Output: 4 to 20 mA Supply Voltage: 10 to 30 Vdc Max Loop Resistance Ω: (Vs-10) x 50
† All amounts shown in EUR, GBP, or USD Note: Comes complete with desiccant and 5-point NIST Traceable Calibration Certificate.
Part Number Builder
Build Your Part Number Below
Termination select from: PX709 for Waterproof Cable PX709C for Waterproof Cable and 1/2 NPT Conduit Fitting
Lighting/Surge Protection (Amplified Models only) select from: GW for no protection LGW for Lightning/Surge Protection
Pressure Range (psi) - Gauge Pressure is availalbe in all ranges Sealed Gauge is available from 100 to 1000 psi Absolute is available from 5 to 1000 psi select from: -10W for 0-10 inH2O (0-250 mmH2O) -001 for 0-1 psi (0-670 mmH2O) -2.5 for 0-2.5 psi (0-1757 mmH2O) -005 for 0-5 psi (0-3.51 mH2O) -010 for 0-10 psi (0-7.04 mH2O) -015 for 0-15 psi (0-10.5 mH2O) -030 for 0-30 psi (0-21.1 mH2O) -050 for 0-50 psi (0-35.1 mH2O) -100 for 0-100 psi (0-70.4 mH2O) -150 for 0-150 psi (0-105 mH2O) -250 for 0-250 psi (0-176 mH2O) -500 for 0-500 psi (0-351 mH2O) -750 for 0-750 psi (0-527 mH2O) -1.0K for 0-1000 psi (0-703 mH2O)
Pressure Type select from: G for Gauge Pressure SG for Sealed Gauge Pressure A for Absolute Pressure
Output select from: V for 3 mV/V ratiometric output 5V for 0 to 5 Vdc output 10V for 0 to 10 Vdc output I for 4 to 20 mA output
Accuracy Options (Standard Accuracy 0.2%) select from: for -HH for High (0.08%) Accuracy
Optional Cable Lengths (Standard Length =10 ft (3 metres)) select from: for -15FT for 15 ft (4.6 m) cable -20FT for 20 ft (6.1 m) cable -25FT for 25 ft (7.6 m) cable -30FT for 30 ft (9.1 m) cable -40FT for 40 ft (12.2 m) cable -50FT for 50 ft (15.2 m) cable -60FT for 60 ft (18.3 m) cable -65FT for 65 ft (19.8 m) cable -74FT for 74 ft (22.5 m) cable -100FT for 100 ft (30.5 m) cable -150FT for 150 ft (45.7 m) cable -300FT for 300 ft (91.4m) cable
Note: All combinations may not be valid, check spec sheet for valid part numbers.