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Shanghai Changai Electronic Technology Co., Ltd

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    info@ci-ele.com

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    Room 316, Hongyi Building, No. 2158 Wanyuan Road, Minhang District, Shanghai

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Series hydrogen analyzer in stock

NegotiableUpdate on 03/13
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Overview
The GNL-400 series hydrogen analyzer in stock adopts imported high-performance hydrogen gas sensors and microprocessor technology, with functions such as LCD display, upper and lower limit alarm, standard signal output, and relay contact alarm output. Suitable for continuous monitoring of trace hydrogen concentration in gases such as air, nitrogen, oxygen, argon, etc.
Product Details

Series hydrogen analyzer in stock

Product Features:

The instrument adopts a large screen LCD display with a fully Chinese operation menu

◆ Equipped with timed automatic storage function and the ability to view stored data at any time

◆ Equipped with RS232 communication port, it can connect to a computer to achieve real-time data transmission, data storage

◆ Can set upper and lower limit alarm points, with alarm contact output

◆ Can be calibrated online with standard gas

Series hydrogen analyzer in stock

Technical Specifications

Display: 128 × 64 LCD monitor

Measurement accuracy: ≤± 2% F.S

Response time: T90 ≤ 5s

Repeatability:<± 1% F.S

Stability: Zero drift ≤± 2% F.S/7d

Range drift ≤± 2% F.S/7d

Working temperature: 0-45 ℃

Environmental humidity:<80% RH

Sample gas flow rate: 200-400ml/min

Sample gas pressure: 0.035MPa ≤ inlet pressure ≤ 0.21MPa

Working power supply: AC220V ± 10%, 50/60Hz, power consumption ≤ 15VA

Analog output signal: 0/4~20mA (photoelectric isolation)

Alarm contact capacity: AC250V/3A DC24 3A

Measurement medium: containing H2Binary mixture gas (background gas and H)2Significant difference in thermal conductivity)

Sensor principle: Microfluidic thermal conductivity

Sensor lifespan:>24 months (under normal usage conditions)

Instrument weight: approximately 3.7kg

Installation dimensions: 133mm × 133mm × 250mm (W × H × D)

GNL-H400L is wall mounted

model

range

principle

GNL-400

0~2000/5000ppm 1% H2

Principles of Electrochemistry

GNL-400F

0~10/20/30/50% H2

Thermal conductivity principle

GNL-400L

80~99.99% H2

Thermal conductivity principle

Application fields:

Online analysis of trace hydrogen in high-temperature sintering furnaces for nitrogen production from air separation, chemical processes, magnetic materials, and various mixed gases.

Ordering Notice (Please specify when placing an order)

Tested gas pressure: positive pressure, slight pressure, or negative pressure

Main components, impurities, and sulfides of the tested gas