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Automatic Pressure Gauge Calibration System
The IQS-AP Fully Automatic Pressure Instrument Verification & Calibration System consists mainly of fully automatic pressure calibrators for micro-pressure, pneumatic pressure and hydraulic pressure applications. It is equipped with automatic pressure sources, high-precision pressure modules, electrical signal measurement functions, multi-stage filtration protection devices and other features, with a simple and elegant overall system design.
It enables on-site fully automatic verification of instruments including HART smart pressure transmitters, general pressure transmitters, pressure controllers, analog pressure gauges, digital pressure gauges and pressure switches, realizing truly intelligent and automatic verification and calibration of pressure instruments.


Product detail

System Overview

The IQS-AP Fully Automatic Pressure Instrument Verification & Calibration Systemconsists mainly of fully automatic pressure calibrators for micro-pressure, pneumatic pressure and hydraulic pressure applications. It is equipped with automatic pressure sources, high-precision pressure modules, electrical signal measurement functions, multi-stage filtration protection devices and other features, with a simple and elegant overall system design.
It enables on-site fully automatic verification of instruments including HART smart pressure transmitters, general pressure transmitters, pressure controllers, analog pressure gauges, digital pressure gauges and pressure switches, realizing truly intelligent and automatic verification and calibration of pressure instruments.

Key System Features

  1. Automatic pressure control and stabilization— fast control and stabilization

  2. Wide pressure range— configurable solutions based on user requirements

  3. Simultaneous verificationof multiple pressure instruments

  4. Truly automated and intelligentoperation

  5. Equipped with high-precision pressure calibrators

  6. Complete systemcomprising three subsystems: micro-pressure, pneumatic and hydraulic

Main Pressure Specifications


System TypePressure RangeBuilt-in Pressure Sensor RangeControl Fluctuation
IQS801 Micro-pressure System(-90 ~ 100) kPa(-16 ~ 16) kPa; (-100 ~ 100) kPa0.005% FS
IQS802 Pneumatic System(-0.09 ~ 4) MPa(-100 ~ 250) kPa; (0 ~ 4) MPa—

(-0.09 ~ 6) MPa(-100 ~ 600) kPa; (0 ~ 6) MPa—
IQS803 Hydraulic System(0 ~ 60) MPa(0 ~ 2.5) MPa ~ (0 ~ 60) MPa0.025% FS

  • Built-in pressure module accuracy is selectable per user requirements: 0.05% / 0.02%.

  • Built-in pressure module range is selectable per user requirements; hydraulic medium (oil / water) is selectable per user requirements.

Main Electrical Specifications


ItemMeasurement RangePermissible ErrorResolution
Current measurement(-30 ~ 30) mA±(0.01% RD + 0.005% FS)0.1 μA
Voltage measurement(-30 ~ 30) V±(0.01% RD + 0.005% FS)0.1 mV
Current output(0 ~ 22) mA±(0.02% RD + 0.005% FS)1 μA
On/off detectionFor switches with patrol voltage: voltage range (3.0 ~ 24.0) V——
DC 24V output24.0 ± 0.5 V, load capacity 50 mA——
Ambient temperature(0 ~ 50) °C (gas / oil medium) / (5 ~ 50) °C (water medium)
Storage: (-20 ~ 70) °C		——
Relative humidity< 90%, non-condensing——
Atmospheric pressure(86 ~ 106) kPa——

System Configuration


NameModelSpecifications
Fully Automatic Pressure CalibratorIQS801 Micro-pressure, IQS802 Pneumatic, IQS803 Hydraulic SystemsBuilt-in pressure source, automatic pressure generation, automatic pressure control, built-in gas-liquid separator, built-in filter, overpressure protection
Intelligent Digital Pressure CalibratorIQS228 — Pressure range from micro-pressure (250 Pa) to hydraulic (60 MPa); accuracy: 0.02% or 0.05%5-digit display, free switching of multiple pressure units, fast acquisition speed, simple operation, automatic temperature compensation
Pressure Connection BenchIQS12X(0 ~ 60) MPa, 5 × M20×1.5 female-thread quick connectors, built-in filter, with independent shut-off valves
Pressure Adapter SetIQS100-1Adapters for dozens of pressure instrument types
Automatic Verification & Calibration SoftwareIQS-AP-1Enables automatic pressure control, automatic verification, data processing, data analysis, certificate storage and editing, certificate printing, supports electronic signatures, generates verification/calibration certificates or records compliant with national standards, supports Excel and PDF data export
Computer / PrinterDELL / HPOperating software, certificate printing
AI Image RecognitionIQS-AP-2Automatically identifies and reads pressure values during pressure gauge verification and calibration


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