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Trace Oxygen Analyzer (0 - 1000ppm) with KF40 & Flow Housings - EQ-W1000-LD

Sale Price: Starting at USD$498.00
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Product Options

Housing & Sensor Combination:
The W1000 microprocessor-based analyzer is ideal for the continuous measurement of gas mixtures in applications that demand heavy monitoring of the gas environment. A full-color backlight display shows the oxygen content data relayed by a precision electrochemical sensor in real time with compensation for temperature and barometric pressure variations. Two fully programmable alarms with built-in delay enable the user to exert more control over processes.
Warning: The sensor should ONLY be used with flowing inert gas. Never use it under vacuum conditions, the sensor would suffer damage otherwise.
Please note that the sensor is nonrefundable.


  • The precision electrochemical sensor provides precision reading with rapid response time
  • Five auto-ranging measurement scales available: 0 to 10/ 100/ 1000 ppm, 0 to 1/ 25%
  • Perfect for high-precision oxygen detection inside a glove box or other enclosures
  • KF40 Housing provides easy connection to MTI stainless steel glove boxes with KF40 ports ( KF40 to KF25 reducer is available for connection to KF25 ports, please click here to order)
  • Flow-Thru housing with Swagelok fittings for monitoring gas applications requiring incoming gas lines with positive pressure
  • Measuring Ranges                         5 Modes: 0 - 10ppm, 0 - 100ppm, 0 - 1000ppm, 0 - 1%, and 0 - 25%
  • Display                                           Large color screen with backlight
  • Response Time (T90)                    10 seconds
  • Alarms                                            High / Low programmable limits with Delay 
  • Power Input                                    100 ~ 240V AC , 50/60Hz, single phase, 10W                                        Enclosure                                       General purpose ABS construction with 1/4 DIN flush mount
  • Enclosure Dimensions                    85 x 96 x 96mm (L x W x H)
Wiring connection
  • Please click the picture left to see the wiring connection on the back panel
  • Data recording:   Not included, but see the instruction below for DIY
The analyzer has both digital and analog outputs, both could be used to log data.  Very common in our industry is analog to digital data loggers, 0 – 1VDC, 4 – 20mA can all be logged via a digital data logger.  These units also have a bi-directional Modbus.  The user could pick up a MODBUS RS485 ASCII to USB adapter on the internet and log the data digitally.  MODBUS Poll is a very popular software to do this. 

Oxygen Sensor


Two Sensor Types are available (Please select the desired option from Product Options above):
 Sensor for Glove Box
Provides the best response when used in enclosed environments where battery R&D is conducted; measures trace oxygen levels in purge gasses
  (Image for reference only )
 Sensor for Furnace
Designed for CVD applications when acid and aggressive gasses (e.g. CO2, HCI, HCN, etc.) will be present.
  (Image for reference only, Furnace is NOT included)
  • Micro fuel cell technology
  • Accuracy:                                        +/- 1% Full-scale Range of each mode. 
  • Repeatability:                                  +/- 0.5% Full Scale
  • Temperature Coefficient:                 2.54%/ ºC
  • Operating Temperature:                  0 to 50 ºC
  • Storage Temperature:                     0 to 45 ºC
  • Recommended Gas Flow:               0.5 - 2 SCFH (Standard Cubic Feet per Hour)
  • Humidity:                                         0 - 100% Relative; Non-Condensing
  • Longevity:                                         17 - 25 Months

Sensor Enclosures

(Spare enclosures can be purchased for $950 each)
Two kinds of Housing Configurations are available (Please select  from the Product Options above):
(1) KF-40 Housing for a glovebox
Use with glove boxes or other enclosure housings with KF-40 ports 
Optional KF-40 Clamp
(2) Flow-Thru Housing sensor for furnace     Comes with Swagelok fittings for a positive pressure of incoming gas lines
 Please order tubes and Swagelok-type fittings (click on photos for more details).
  Two On-off valves with both side 1/4 tube fitting are included to prevent sensor damage 
Weight 2 lbs
Warranty One year limited coverage with lifetime support
Operation Video     
Notes & Warnings
  • The analyzer is designed for measuring trace oxygen in the presence of gas flow; it may not measure reliably when gas is static.
  • NEVER use the oxygen sensor under vacuum conditions. The vacuum will cause irreversible damage to the sensor.
  • ONLY USE the furnace oxygen sensor with CVD furnace systems to prevent contamination and damage to the sensor.
    • To prevent sensor damage, please use quick ON/OFF valves ( two included per order ) to isolate the sensor from open air and maintain it with an inert gas at all times. Click the picture below to learn more about this setup:
  • Due to the variations in electronics and sensor technology, minor deviations in O2 reading performance may be experienced when using O2 analyzers or sensors from a different brand, technology, and etc.
  • The oxygen sensor is consumable and not covered by warranty, damage caused by misuse is also excluded from coverage.
Item No. Description Quantity
W-1000 Analyzer 1
Standard Power Cable Power Cord ( For the using 220VAC, please order plug separately) 1
Operation Manual    1
EQ-W1000-Sensor-LD Trace Oxygen Glove Box Sensor Option
Trace Oxygen Furnace Sensor 
Housing Configuration KF-40 Housing Option
Flow-Thru Housing
EQ-RU-KF40-25 KF40 to KF25 Reducer Union Option
EQ-KF-Clamp-D40 KF-40 Quick Clamp with Rubber O-Ring Option

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1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Prices vary from country to country.
2. We may add extra charges for paper orders and NET 30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.