EXPEC 5232

Overview

The EXPEC 5232 is a new generation product in the GC-MS/MS series. It is equipped with a high-sensitivity HEI ion source, an ultra-inert EI ion source, and a CI ion source. Combined with unique inlet temperature control technology, precise gas path control technology, ultra-inert flow path design, and a newly upgraded circuit control system, it significantly improves the instrument's sensitivity, stability, applicability, and ease of maintenance.

It is fully applicable to fields such as pesticide residues, food safety, industrial manufacturing, petrochemicals, environmental monitoring, and clinical medicine, fully meeting the cutting-edge analytical needs of scientific research and contributing to the improvement of new productivity and scientific discovery.

Features

Mass Spectrometer Technology Innovation

·New anti-contamination quadrupole mass analyzer

·Low crosstalk, high efficiency and stable collision pool

·High-performance long-life detector system

·Intelligent MRM analysis mode

·A comprehensive and efficient ionization source

·Convenient and intelligent diagnostic design

·Adapted to high-efficiency chromatographic expansion technology

·A wide range of sample introduction systems

Gas Chromatography Technology Innovation

·Large color touch screen interface

·Precise electronic pneumatic control

·Column oven

·Powerful precise control function

·Intelligent online monitoring system

·Ultra-inert inlet

Specifications and Parameters

Parameter	Specification
WORKING ENVIRONMENT
Temperature	18–25 °C
Humidity	20–60% RH
Power Supply	five sets of single-phase (220±20)VAC,10A ,50Hz power supply
GAS CHROMATOGRAPH — COLUMN OVEN
Max. Operating Temperature	450 °C
Heating Rate	Max. 120 °C/min; typical 50 °C/min
Programmed Heating	32 steps / 33 stages; reproducibility better than 0.5 %
Temperature Control Accuracy	Within ±0.1 °C
Capillary Column Capacity	Up to 3 columns
SPLIT / SPLITLESS INLET
Max. Operating Temperature	450 °C
Flow Control	0–500 mL/min (N₂); 0–1250 mL/min (He)
Pressure Control	0–100 psi (689.5 kPa)
Control Accuracy	±0.001 psi; pulse pressure injection is possible
Operation Mode	Split, splitless, pulse split, pulse splitless
PROGRAMMABLE ELECTRONIC GAS CIRCUIT CONTROL
Channels	Up to 18 channels of electronic pressure/flow control
Touch Screen	≥8 -inch high-resolution full-color capacitive ; resolution 1280 (RGB)720,color depth 16.7M,pixel pitch (mm)0.138 0.138,built-in intelligent operating system
Compensation	Automatic atmospheric pressure & temperature compensation
Material	Non-metallic, low expansion coefficient
AUTOMATIC SAMPLE INJECTOR
Vial Capacity	Support 160 -bit automatic sampler
Injection Volume	0.1–250 μL
Sampling Accuracy	±0.01%
Injection Precision	RSD <0.5%
THREE-IN-ONE AUTOMATIC SAMPLER (OPTIONAL)
Liquid Injection — Vial Capacity	2mL sample bottle capacity:126 or more
Liquid Injection — Needle	Standard 10 μL injection needle
Headspace — Gas-tight Needle	1.0–5.0 mL optional
Headspace — Needle Heating	30–150 °C, adjustable in ±0.1 °C increments
Headspace — Vial Capacity	≥45 positions (10/20 mL), expandable to >180 digits
Headspace — Incubation Heater	6 positions; 30–200 °C; 250–750 rpm oscillation
SPME — Extraction Temperature	30–210 °C, adjustable in ±0.1 °C increments
SPME — Oscillation Rate	0–1600 rpm, adjustable in ±1 rpm increments
SPME — Extraction Methods	Arrow-shaped & fiber extraction head compatible
SPME — Extraction Time Range	Up to 999 min, 1 s increment
SPME — Aging Temperature	30–350 °C
MASS SPECTROMETRY — ION SOURCE
EI Ion Source	Double filaments, symmetrical placement; ionization energy 10–300 eV; heating 150–350 °C; front-opening for easy cleaning
CI Ion Source	Single filament; ionization energy 10–300 eV; heating 50–350 °C; front-opening for easy cleaning
GC-MS Interface Temperature	50–400 °C (non-cold-spot heating technology)
ION OPTICAL SYSTEM
Ion Transmission	No extra transmission rods; ions enter quadrupole directly, minimizing ion loss
MASS ANALYZER (TRIPLE QUADRUPOLE)
Analyzer Type	Triple quadrupole
Quadrupole Material	Quartz gold-plated hyperbolic or molybdenum gold-plated micro-curved quadrupole
Collision Cell	Hexapole with axial acceleration; eliminates ion pair crosstalk; curved design not accepted
Collision Gas	High-purity nitrogen (purity ≥99.999%)
Resolution	0.4–2.0 amu adjustable
Mass Stability	<±0.05 amu / 24 hours
Scan Speed	Up to 25,000 amu/s
MRM Channels	500 channels/second
m/z Range	EI: 5–1100 amu; CI: 5–1100 amu
Sensitivity — EI MRM	S/N ≥20,000:1 (1 μL of 100 fg/μL of OFN)
Sensitivity — PCI MRM	S/N ≥500 (10 pg of benzophenone)
Sensitivity — NCI MRM	S/N ≥1000 (10 pg of OFN)
Scan Modes	Full Scan, SIM, Product Ion, Precursor Ion, Neutral Loss, MRM
DETECTOR
Type	90° off-axis electron multiplier; no positive/negative ion discrimination
Counting Mode	Pulse counting for high reproducibility at low concentrations
Vacuum System	Mechanical pump + turbomolecular pump; differential pumping with auto power-off protection
WORKSTATION SOFTWARE
OS Compatibility	Windows 7 and above
Core Functions	GC & MS control; data processing; report editing; auto quantitation; spectrum library search
Status Panel	Displays ion source temp., repeller/extractor voltage, lens voltage, quadrupole voltage, detector voltage, circuit board voltage
Offline Analysis	GC-MS/MS software installable on separate PC for offline data processing
Databases	>1,000 pesticides; >200 environmental pollutants; >500 drugs; >300 public security/judicial
NIST Spectral Library	Optional; ≥220,000 images
Software Footprint	Workstation ≤1 GB; acquisition & analysis software independently installable
Upgrade Path	Upgradeable to LC-GC-MS/MS