122 Series Mechanical Pressure Switches & Transmitters

Versatile, local or remote indication of system pressure for high-purity applications.
Models IPS122 / IPT122

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122 Series Data Sheet

Features

Indicating Pressure Switches Model IPS122 2"

  • 2-inch stainless steel solid-state switch with local and remote alarm capability
  • Electronic switch with an adjustable pressure switch set point to operate lights or relays up to 12 watts
  • Logic outputs: Off-on and Type 1 (0 to 9-30 Vdc), Type 2 (8 to 30 Vdc) and Type 3 (0 to 5 Vdc)
  • Available in a variety of process connections, pressure ranges and socket orientations

Indicating Pressure Transmitters Model IPT122 2"

  • 2-inch stainless steel transmitter
  • Pressure ranges: Up to 4000 psi
  • Accuracy: 1% of full scale
  • Industry standard output: 4 to 20 mA, 0 to 5 Vdc, 1 to 5 Vdc

Benefits

  • 316L stainless steel construction withstands harsh environments
  • Available in a variety of process connections, pressure ranges and socket orientations to fit application needs
  • Powered models support electric standard outputs for convenient connection

Applications

Gas delivery systems and tools used for semiconductor processing, including:

  • Bulk gas
  • Gas cabinets
  • Gas distribution
  • Solar panels
  • Processes: Food and beverage, pharmaceutical, water treatment and bulk gas
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Product Type

Mechanical Pressure Switches

Mechanical Pressure Transmitters

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Differentiator

Ultra-High Purity

High Accuracy

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Performance
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Pressure Range

Vacuum to 4,000 psi (276 bar) & metric

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Accuracy
1% Full Scale
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Response Time
Less than 200 milliseconds
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Ratings
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Helium Leak Check
4 x 10-9 inboard std. cc/sec
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Cleanliness
Cleaned for oxygen service to ANSI B40.1 level IV specifications
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Temperature Range
0° to 160°F (-18° to 71°C)
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Temperature - Compensating
20° to 135°F (-7 to 57°C)
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Temperature - Storage
-20° to 175°F (-29° to 79°C)
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Mechanical
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Housing
300 Series Stainless Steel, electropolished
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Bezel & Lens Material
One-piece polycarbonate, screw-on
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Socket Material
316L Stainless Steel
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Movement
300 Series Stainless Steel
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Bourdon Tube
316L Stainless Steel
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Proof Pressure
110%
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Burst Pressure
400%
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Process Connections
Face-seal male, face-seal swivel male, face-seal swivel female and 1/4” NPT male
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Dial
White with black marking; “Use No Oil” is red.
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Electrical
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Power Requirements

Off-On Switch Type 1
12 Watts or 500 mA; 175 mA max. for intrinsically safe applications

Logic Output 8 to 30Vdc Type 2
60 mA (sink) Open collector NPN

Logic Output 5 Vdc Type 3
60 mA (sink) Open collector NPN

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Input / Output

IPS122

Input

Off-On Switch Type 1: 9 to 30 Vdc
Logic Output 8 to 30 Vdc Type 2: 9 to 30 Vdc
Logic Output 5 Vdc Type 3: 4.8 to 5.2 Vdc

Output

Off-On Switch Type 1: 0 to 9-30 Vdc; 30 mA (off), 45 mA (on)
Logic Output 8 to 30 Vdc Type 2:  0 to 9-30 Vdc; 30 mA (off), 45 mA (on)
Logic Output 5 Vdc Type 3: 0 to 5 Vdc; 3 mA (off), 11 mA (on)
Switch Leads: 2 m (6’) cable, tinned ends, 0.23” in diameter
Switch Differential: 3% of scale: 0.25% of scale repeatability
Trip Position: External adjust. Select to trip on ascending (N.O.) or descending (N.C.) pressure. (Field changeable by internal jumper.)

IPST22

Input

Voltage In: 11.5 to 30 Vdc (12 Vdc recommended)
Voltage Stability: Filtered power supply with noise <2mV RMS, ripple < 6 mV P-P
Operating Current: 40 mA maximum short circuit to ground, 8 mA continuous load, 10 mA maximum intermittent

Output

Type 1: 0 to 5 Vdc
Type 2: 1 to 5 Vdc
Type 3: 1 to 5 Vdc ground referenced
Type 4: 4 to 20 mA sinking
Type 5: 0-5 Vdc or 1-5 Vdc, or 4-20 mA current sink
Type 6: 1-5 Vdc ground reference, 4-20 mA sinking
Type 8: 4-20 mA sourcing, 3-pin Molex connector with 10’ cable
Type 9: 4-20 mA sourcing, 6’ cab/w with tinned ends
Output Current: 40 mA max. short circuit to ground, 10 mA continuous load
Transmitter Leads: 2 m (6’) cable, tinned ends, 0.23” in diameter

IPS122 IPT122
Product Type 2 Inch Pressure Switch 2 Inch Pressure Transmitter
Differentiator Stainless Steel Stainless Steel
Socket Orientation Stem Mounted Stem Mounted
Pressure Range Vacuum - 4,000 psi Vacuum - 4,000 psi
Accuracy 0.25% Full Scale (BFSL) 1% FS
Output Type Analog Voltage or Current Single Switch - Two Types
Filename File Type Documents By Language
Data Sheet pdf English
Installation & Operation Manual - IPS122 pdf English
Installation & Operation Manual - IPT122 pdf English
CE EU Declaration of Conformity Certificate pdf English Korean Romanian Russian Spanish

Use the following guide (model code information from data sheet) to translate the CAD configurations available below. If you need assistance or can’t find what you’re looking for, please contact Applications Engineering or your local Brooks Instrument representative.

Example: IPS122 - PSI_BAR - VSM - 1 - D

Model
  Units

Pressure Connection

  Switch Type
Trip Position
IPS122
  Pounds per Square Inch and Bar
 Face seal swivel male
  Type 1
 Descending (normally closed)