FORENSICS DETECTORS FD-311 User Manual Download Page 4

INDUSTRIAL GAS ANALYZER FD-311 

FORENSICS DETECTORS

TM

 

 

  

 

 

 

FORENSICS DETECTORS

TM 

www.forensicsdetectors.com 

PRODUCT FEATURES

 

 

32bit microprocessor, color display, and built-in-pump 

 

Rugged industrial design and build 

 

ABS and rubber housing, explosion proof 

 

Rechargeable Lithium-ion battery via easy USB charger 

 

Professional Hard Case 

 

Built-in pump and easy barb hose connector 

 

1. INTRODUCTION 

 

You have purchased the FD-311 

INDUSTRIAL GAS DETECTOR by FORENSICS 

DETECTORS

TM

.

    The  detector  is  factory  calibrated,  TURN  ON  AND  GO!  This 

product is an INDUSTRIAL gas analyzer made with a robust ABS design using a 
high-quality thermal conductivity sensor. This detector is made for industrial use 
for  engineering  professionals,  technicians,  contractors,  energy  inspectors, 
researchers, and labs.  

 

2. QUICK SETUP

 

 

1.

 

Ensure all components are included. 

2.

 

Ensure analyzer is fully charged. If not, please charge the battery first. 

3.

 

Double check all tubing is well connected and in place. Check all connections. 

4.

 

Turn ON the detector. After countdown and self-check the pump turns ON 
and READY to use when the instantaneous gas concentration is shown. 

5.

 

Start measuring. Real-time measurements are shown on the HOME screen. 

6.

 

Read this manual and familiarize yourself with the operation. 

7.

 

Always be safe. 

8.

 

Before turning OFF, flush/purge the air out the detector by allowing the pump 
to run for 60 secs to allow fresh air to purge the instrument. 

9.

 

Ensure tubing and items are clean before storing as to avoid any 
contamination, residual odors or toxic gases that may poison the sensor.  

 
 

 

 

Summary of Contents for FD-311

Page 1: ...sicsdetectors com 1 INDUSTRIAL SPEC GAS ANALYZER with BUILT IN PUMP Model FD 311 Manual Print Version 1 0 USER MANUAL Checklist Serial He sensor Ar sensor Other Telescopic Probe Kit 1ft Probe 2 Probe...

Page 2: ...FORENSICS DETECTORSTM FORENSICS DETECTORSTM www forensicsdetectors com 2 GAS SENSOR RANGES DEFAULT ALARM SET POINTS Target Gas Range Resolution Low Alarm High Alarm Helium He 0 100 vol 0 1 vol 20 50 A...

Page 3: ...0 F 122 F Store Oper Humidity 95 RH Battery DC3 7V Li Ion battery 2000mAh Charging Time 4 hours Operation Time 6 hours Dimension Weight 9 5 x 2 5 x 1 7 inches 440grams Rating IP65 Explosion Proof Ex i...

Page 4: ...use for engineering professionals technicians contractors energy inspectors researchers and labs 2 QUICK SETUP 1 Ensure all components are included 2 Ensure analyzer is fully charged If not please ch...

Page 5: ...Concentration You will hear the pump and you are ready to start taking measurements To turn OFF press MIDDLE button for 3 secs Press the left button to Turn off on the PUMP Press the right button to...

Page 6: ...nts are met exceeded To change the alarm set points select AlarmSet in the Main Menu see prior section You can change the preset alarm level to your desired level by using the left and right buttons A...

Page 7: ...com 7 ALARM LOGGING AlarmLog When alarms are triggered they are automatically recorded with a date and time stamp along with the min or max alarm data point This is useful for safety personnel to kee...

Page 8: ...value Select ZeroSet from the Main Menu Screen Expose to ZERO air for 1 min Use fresh air Maintain a flow of 0 5L min to deliver the gas to the detector i e via the inlet Use a T piece Excess gas shou...

Page 9: ...and highly specific applications calibration can be undertaken more often to ensure the highest accuracy If left beyond 6 months the accuracy of the analyzer will be compromised To undertake span cal...

Page 10: ...tectors com 10 MENU SCREEN Check Performs a self check of the analyzer Info Provides the software version information TimeSet Allows to set the date and time Restore Restores to factory default settin...

Page 11: ...n before storing as to avoid any contamination residual odors or toxic gases that may poison the sensor Ensure periodic calibration every 6 months so that the performance of the detector remains withi...

Page 12: ...ranty by third parties We shall not be liable for any incidental or consequential damages caused by the breach of any express or implied warranty Except to the extent prohibited by applicable law any...

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