On-line explosion-proof oxygen analyzer
Online Explosion-proof Constant Oxygen Analyzer/Online Constant Oxygen Analyzer Model:HA/GNL-B6
HA/GNL-B6 online explosion-proof oxygen analyzer is a new intelligent industrial online analyzer developed by using electrochemical detection principle and high-performance electrochemical gas sensor and single chip microcomputer technology.
Features:
â—†Selection of imported fuel cell oxygen detectors, with long life and fast response time
â—† Automatic temperature compensation to eliminate the influence of ambient temperature
Built-in suction pump (optional)
â—† The upper and lower limit alarm points can be set arbitrarily within the full range
â—† with 0 ~ 5V or 4 ~ 20mA current signal output
â—† The instrument has a standard RS232C communication port
Measuring range: 0～1/5/10/25%O2
Accuracy: ≤±2%FS
Measuring medium: H2, natural gas, gas and hydrocarbons and acid gas
Stability: Zero drift ≤ ± 芾 2% FS/7d
Range drift ≤±芾2%FS/7d
Resolution: 0.01% O2
Repeatability error: ≤ 1%
Alarm contact capacity: AC 125V 0.3A, AC 110V 0.3A DC 30V 1A
Ambient temperature: 0～45°C
Power Supply: DC24V
Response time: T90≤15S
Sample gas flow: 200～300mL/min
Explosion-proof mark: ExiaIICT5?
Sensor life: >24 months
Overall dimensions: 300mm×200mm×110mm (L×W×D)
Weight: about 7kg
Application area:
It is used for on-line analysis of oxygen content in hazardous locations such as hydrogen production, chemical process, petroleum, coal mine, fire protection and other explosion-proof gas or combustibles.
Ordering Information (please specify when ordering)
Instrument measurement range
Measure whether the medium contains acid gases (such as CO2, etc.)
Tested gas pressure: positive pressure, micro pressure or negative pressure
Tested gas main components, impurities
High Precision Machining is defined as a process of changing the dimensions or the performance of workpiece with machining facilities.
According to the temperature of the workpiece while in machining, high precision machining can be divided into cold working and hot working. Usually, machining under indoor temperature, and won't change cause chemical change or phisical phase change is named cold working. On the other hand, if under temperature, higher or lower than room temperature, which will lead to chemical changes or phase changes, it will be called as hot working.
For high precision machining, the machining tolerance can be up to 0.0001-0.001mm, the surface finish Ra can be 0.02-0.1um.
Machining precision is to describe the actual geometrical parameter of the part after machining, such as the size, the form, the position, comparing with the theoretical geometry parameter. The difference from these two parameters is the machining tolerance. The number of the difference show the machining accuracy, the bigger, the lower of the machining precision, the smaller, the higher machining precision.
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