Product Overview
AMETEK U.S. Gauge IPS-200-HA Dual-Function Pressure Switch Gauge - 30-0-100 PSI, LMM, 2-Inch Dial, HA Switch Action
Condition
Unused NOS. Gauge is sealed in its original packaging; outer box shows handling wear from storage but the unit itself is unissued. Label confirms model IPS-200-HA, range 30-0-100 PSI, spec no. 151142, conn. LMM, size 2 in., Stainless bezel, white dial face, and blue fitting cap visible through the bag. Sourced from a government research facility.
Carefully packed and shipped same or next business day from our Idaho warehouse. Honest equipment and straightforward service.
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Product Overview
AMETEK U.S. Gauge Division IPS-200-HA - a dual-function indicating pressure switch gauge combining a mechanical 2-inch dial face with an integrated reed-switch electrical output. The "HA" designation means the switch closes on increasing pressure. Pressure range is 30-0-100 PSI (compound vacuum-to-pressure). Process connection is LMM (low-mount male NPT). Wetted parts are 316L stainless steel, electropolished and helium leak tested. Designed for demanding industrial and high-purity gas applications where both local visual indication and a discrete electrical switch signal are required in a single compact body.
Key Features
- Pressure range: 30-0-100 PSI (compound gauge - vacuum to positive pressure)
- Switch action: HA - switch closes on increasing pressure; action reversible by flipping pointer
- Process connection: LMM - low-mount male NPT
- Dial size: 2-inch
- Wetted parts: 316L stainless steel, electropolished
- Helium leak tested to 10⁻⁹ scc/sec
- Integrated reed switch with adjustable setpoint
- Maximum switching current: 0.5 amps AC/DC noninductive
- Maximum switch power: 10 watts DC, 12 VA AC
- Multi-conductor terminal exit block for hardwired control system integration
- Heavy-duty weather-resistant housing
- Tracking code A31-250 confirmed on label
Applications
- Maintenance technician replacing a failed pressure switch gauge on a pneumatic or chemical process line - removes the old unit, installs the IPS-200-HA, and sets the trip-point to restore alarm and control actuation without adding a separate switch
- OEM fabricator wiring a gas cabinet or semiconductor process tool - connects the NPT port to the pressure source and wires the reed switch output to a PLC input to trigger automated shutdowns or valve actuation at a defined pressure limit
- Laboratory technician building a gas delivery interlock for an analytical instrument - uses the integrated switch to send an alarm signal if carrier gas pressure drops below or exceeds the experimental setpoint, protecting sensitive chromatography or mass spectrometry equipment
- Process engineer specifying a replacement for high-purity or corrosive gas service where electropolished 316L wetted parts and helium leak integrity are required and a standard gauge would risk contamination or premature failure
Frequently Asked Questions
What does "HA" mean, and can the switch action be changed?
HA means the switch closes on increasing pressure - as pressure rises and reaches the setpoint, the circuit closes. The switch action can be reversed to close on decreasing pressure (LA behavior) by flipping the pointer on the unit.
What is the process connection on this specific unit?
The label confirms LMM - low-mount male NPT. Verify your mating fitting before ordering.
Can the switch output connect directly to a relay coil or solenoid valve?
The reed switch is rated for noninductive loads only, with a maximum of 0.5 amps and 10 watts DC / 12 VA AC. Connecting directly to inductive loads such as relay coils or solenoid valves without appropriate protection is not recommended for this switch type.
Does this unit provide an analog output signal?
No. The IPS-200-HA provides a discrete on/off switch output only - not a continuous analog signal such as 4-20mA or 0-10V. If your application requires a proportional pressure output, a pressure transmitter or transducer is the correct instrument.
What is included with this unit?
The gauge in its original sealed packaging. No additional hardware, fittings, or documentation included.
This one came out of a government research facility still sealed - the kind of unissued surplus that doesn't surface often. Set your trip-point, wire it in, and put it to work.
