325BT便携式PPM的氧分析仪 325BT便携式PPM的氧分析仪-仪表网-手机站

TOC测定仪

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产品简介

325BT便携式PPM的氧分析仪便携式微量氧分析仪325是专为**测定痕量在清洁，干燥的样气PPM的氧气。客户可更换电化学传感器产生一个小的输出电流直接正比于样品中的氧气量，是衡量任何微量氧范围从0-100 ppm级到0-9999 PPM的能力。可读的*低水平是百万分之一。

详细信息

325BT便携式PPM的氧分析仪
便携式微量氧分析仪325是专为**测定痕量在清洁，干燥的样气PPM的氧气。客户可更换电化学传感器产生一个小的输出电流直接正比于样品中的氧气量，是衡量任何微量氧范围从0-100 ppm级到0-9999 PPM的能力。可读的*低水平是百万分之一。


larger image	The Nova 325 Portable Trace Oxygen Analyzer is designed for accurately measuring trace PPM oxygen in clean, dry sample gas. The customer replaceable electrochemical sensor produces a small output current directly proportional to the amount of O₂ in the sample and is capable of measuring trace PPM levels of O₂ in any range from 0-100 to 0-9999 PPM. The lowest readable level is 1 PPM. Bypass solenoid valves are used to trap low PPM oxygen in the O₂ cell to avoid exposure to ambient air. This allows for a rapid purge down and also protects the cell from momentary over exposure to high O₂ levels. A flow control valve and flow meter are provided for regulating the flow of samples under positive pressure. A built-in sample pump is provided for use on samples under atmospheric or slight negative pressure. A rechargeable battery provides enough power for the pump and electronics for about 20 hours of continuous opertion. The analyzer may still be operated while it is being charged. A red LED indicates when to recharge the analyzer and a green LED indicates that it is receiving recharging power. The battery recharger is included with the analyzer.

Specifications · Applications · Features · Options · Calibration · Unique Applications

Specifications

Method of Detection		Low range electrochemical O₂ sensor

Ranges Available		0-100 PPM to 0-9999 PPM O₂

Resolution		1 PPM

Accuracy & Repeatability		±2% of reading

Drift		±1% of full scale per week

Response Time (T-90)		O₂ sensor may require an initial purge down from air to low PPM O₂, which may last up to 6 hours. After purge down, T-90 response from 1000 to 100 PPM is 30 seconds.

Ambient Temperature Range		0-50 ºC 32-122 ºF

Linearity		±2% of full scale

Size & Weight		8" W x 9 1/2" H x 10" D @ 12 lbs. (20 x 23 x 25 cm @ 5.5 kg)

Power		AC/DC operation. 115 VAC 60 Hz for recharging (Other voltages available)

Output Options		0-1V or 4-20mA (optional)

Alarms		One high or low O₂ alarm (optional)

Hazardous Area Rating Options		General Purpose, Non-Hazardous

Applications

For high accuracy analysis of trace PPM oxygen (O₂) in non-corrosive process gas.

Features

Rugged design that is light weight, compact and easy to operate
Fast warm-up and response
Accurately measures PPM O₂ in gases including those containing hydrocarbons
any range between 0-100 to 0-9999 PPM available
Customer replaceable electrochemical 'fuel cell' O₂ sensor
Blocking solenoid valves used to trap PPM O₂ in cell for quick purge down and also protects cell during initial sample line purge
Comes complete with flow control valve, filters and flow meter
Digital meter readout with backlight
Rechargeable battery operation

Options

Recorder outputs of 0-1V or 4-20 mA
Sampel pre-cooler for hot samples
Condensate removal for wet applications
Built-in sample pump or pressure regulator
AC only power operation
O₂ alarm with LED
Detachable data logger
Type 'K' suitcase style cabinet

Calibration

Analyzed calibration gas of O₂ free nitrogen N₂ for zero
Analyzed calibrationg gas of PPM O₂ in N₂ for span

Unique Applications

The PPM O₂ sensor in Model 325 can be affected by the presence of other gases such as H₂S.

All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova. In many cases, we are able to build an analyzer specific to your needs.

相关技术文章

Method of Detection

Ranges Available

Resolution

Accuracy & Repeatability

Drift

Response Time (T-90)

Ambient Temperature Range

Linearity

Size & Weight

Power

Output Options

Alarms

Hazardous Area Rating Options

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