WatchGas NEO User Manual
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WatchGas NEO User Manual

Photoionization detector
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D e t e c t i o n
User Manual
NEO Photoionization Detector
www.watchgas.eu

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Summary of Contents for WatchGas NEO

  • Page 1 D e t e c t i o n User Manual NEO Photoionization Detector www.watchgas.eu...

  • Page 2: Table Of Contents

    Set Pump Stall 7.55 3-Point Calibration 7.5.6 Rolling Graph 7.5.7 Real Time Data 7.5.8 Language 7.5.9 Self-Zeroing 7.5.10 Wireless Computer Interface with WatchGas Suite Connecting And Configuring Retrieve Datalog Maintanance Lamp Cleaning Or Changing Sensor Cleaning Troubleshooting Specifications Limited Warranty...

  • Page 3: Description

    D e t e c t i o n Description The NEO is one of the most advanced handheld monitors available for ppb (parts per billion) VOC (Volatile Organic Compound) detection. The NEO offers several models from the most sensitive 1 ppb to a high range up to 15000 ppm for different applications and user selections.

  • Page 4: Product Overview

    NEO Photoionization Detector User Manual D e t e c t i o n D e t e c t i o n 1. Product Overview INLET FILTER The instrument’s user interface consists of the LCD display, Alarm LEDs, an alarm transducer, and four SENSOR CAP keys.

  • Page 5: Charging A Lithium-Ion Battery

    Always fully charge the battery before using the instrument. Please use the original WatchGas charger. For PC communication with WatchGas Suite, WatchGas USB cable P/N M-011-3003-W00 is required. Warning To reduce the risk of ignition of hazardous atmospheres, recharge and replace batteries only in areas known to be non-hazardous.

  • Page 6: Low Voltage Warning

    WatchGas Suite software, Configuration Mode can be made inaccessible. See also 6.2.2. Notes: • Part of WatchGas Quality Assurance is a full factory calibration and pre-set alarm limits. • Prior to factory shipment, the instrument is preset with default alarm limits and the sensor is pre-calibrated with standard calibration gas.

  • Page 7: Turning The Instrument Off

    D e t e c t i o n D e t e c t i o n Note: If the WatchGas logo does not appear first on start-up, a problem might have occurred. Contact WatchGas Technical Support. 5.2 TURNING THE INSTRUMENT OFF 1.

  • Page 8: Integrated Sampling Pump

    NEO Photoionization Detector User Manual D e t e c t i o n D e t e c t i o n 5.4 INTEGRATED SAMPLING PUMP The instrument is equipped with an integrated diaphragm sampling pump. It has three flow rate settings, with flow ranging from 250 ml/min to 400 ml/min with an inlet filter attached.

  • Page 9: Alarm Signal Summary

    1 beep/flash per second reading 5.6.2 PRE-SET ALARM LIMITS & CALIBRATION CONCENTRATIONS The instrument is factory calibrated with standard calibration gas, and is programmed with default alarm limits. For example, on the NEO PPM, the default values are: Cal Gas Cal Span Unit...

  • Page 10: Man Down Alarm

    D e t e c t i o n 5.9 MAN DOWN ALARM The Man Down Alarm is a potentially lifesaving safety feature of the NEO. The Man Down Alarm function assumes that when the instrument is motionless, something could be wrong with its user.

  • Page 11: Selection From A List

    D e t e c t i o n D e t e c t i o n The example shown in this illustration is a flow chart of the NEO ppb. 6.2.1 SELECTION FROM A LIST For example, the Measurement sub-menu contains both a text-format list and a radio button list.

  • Page 12: Config Mode Menus

    D e t e c t i o n 6.3 CONFIG MODE MENUS This table summarizes the Config Mode menus and sub-menus. Not all of these menus will be displayed if the option is not set up using WatchGas Suite software. Calibration Measurement...
  • Page 13 User Manual NEO Photoionization Detector D e t e c t i o n D e t e c t i o n 3-point calibration Rolling Graph Factory Reset FLOW CHART FOR CONFIGURATION MODE www.watchgas.eu...

  • Page 14: Using Config Mode Modus

    A correction factor (CF) can be applied to make the NEO display the true concentration of the gas being measured, if you are absolutely sure that only that gas is measured. You can select the CF from the instrument’s gas library of over 200 compounds, or enter a CF manually.

  • Page 15: Zero Calibration

    User Manual NEO Photoionization Detector D e t e c t i o n D e t e c t i o n 7.1.2 ZERO CALIBRATION The zero calibration sets the baseline for the sensor. To perform a zero calibration: 1.
  • Page 16 NEO Photoionization Detector User Manual D e t e c t i o n D e t e c t i o n 7.1.4 3-POINT CALIBRATION Normally, a 2-point calibration gives adequate linearity in PID response. A 3-point calibration (Zero, Span 1 and Span 2) can be enabled for more accuracy, particularly in the high concentration range above about 500 ppm.

  • Page 17: Set Calibration Gas

    2. Check and modify the Span Value as needed and accept changes. The instrument returns to the Calibration menu. If 3-Point Cal. Is selected, repeat this process for Span 2 Value. The example shown in this illustration is a flow chart of the NEO ppb. www.watchgas.eu...

  • Page 18: Measurement

    10-6 Per million The example shown in this illustration is a flow chart of the NEO ppb. 7.2.2 MEASUREMENT GAS If you only expect one single gas, it is convenient to let the instrument apply the correction factor for that gas automatically.

  • Page 19: Alarm Settings

    Change various properties of the Man-Down Alarm. Note • Access to the alarm settings on the instrument can be restricted through WatchGas Suite software. • The High alarm limit must be higher than the Low alarm limit. 7.3.1 CHANGE ALARM LIMITS There are 4 different alarm limits, Low, High, TWA and STEL: •...

  • Page 20: Alarm Mode

    NEO Photoionization Detector User Manual D e t e c t i o n D e t e c t i o n 7.3.2 ALARM MODE Choose if the alarm stops automatically when the detected concentration falls below the alarm limits (Auto Reset).

  • Page 21: Man Down Alarm

    User Manual NEO Photoionization Detector D e t e c t i o n D e t e c t i o n 7.3.4 MAN-DOWN ALARM The Man-Down Alarm, when enabled, warns nearby personnel if the instrument remains motionless for a pre-set time.

  • Page 22: Set Datalog Interval

    NEO Photoionization Detector User Manual D e t e c t i o n D e t e c t i o n From the Datalog submenu, press to select “Clear Datalog” Press to clear the datalog. Display shows “Clear Datalog?”.

  • Page 23: Pump Speed

    User Manual NEO Photoionization Detector D e t e c t i o n D e t e c t i o n Default display contrast is about 50%. You can change the contrast level with For the display backlight options, choose from: •...

  • Page 24: Rolling Graph

    3. Press to save and exit 7.5.7 REAL TIME DATA Real time data output is available on some NEO models via a USB cable and/or wirelessly via Bluetooth Low Energy using an Android App. Please contact WatchGas for more information.

  • Page 25: Language

    User Manual NEO Photoionization Detector D e t e c t i o n D e t e c t i o n 7.5.8 LANGUAGE The display language can be set to English or Chinese. To set display language: 1. Press to select the desired option.

  • Page 26: Computer Interface With Watchgas Suite

    8.1 CONNECTING AND CONFIGURING 1. Turn on the instrument and press Up from basic User Mode to go into PC comm. 2. Connect the WatchGas M-011-3003-000 USB cable to the PC and with the Micro-USB end to the instrument. 3. Start WatchGas Suite on your PC and click the “Search” button to find the instrument.

  • Page 27: Retrieve Datalog

    User Manual NEO Photoionization Detector D e t e c t i o n D e t e c t i o n 8.2 RETRIEVE DATALOG 1. Select “Get Log” to download the datalog from the instrument to the PC.

  • Page 28: Maintanance

    NEO Photoionization Detector User Manual D e t e c t i o n D e t e c t i o n 9. Maintenance Warning Service work performed by unauthorized personnel voids all warranties, especially those concerning intrinsic safety.

  • Page 29: Sensor Cleaning

    “Lamp” alarm on during operation Lamp drive circuit. Turn unit off and back on Weak or defective PID Lamp. Replace UV Lamp PC does not recognize instrument Wrong cable Use WatchGas USB cable N / P M-011-3003- www.watchgas.eu...

  • Page 30: Specifications

    NEO Photoionization Detector User Manual D e t e c t i o n D e t e c t i o n 11. Specifications Size 260 x 78 x 58 mm (with boot) Weight 708 g (24.9 oz) (with boot) Sensor technology Photo-ionization sensor with standard 10.6 eV lamp (9.8 eV lamp in MP186)*...

  • Page 31: Limited Warranty

    D e t e c t i o n 12. Limited warranty WATCHGAS warrants this product to be free of defects in workmanship and materials-under normal use and service-for two years from the date of purchase from the manufacturer or from the product’s authorized reseller.

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