Global Test Supply 6850 Instruction Manual

Micro manometer

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Micro manometer
Model 6850
Instruction Manual
Be sure to read this manual thoroughly before using the instrument.
Fully understand and pay attention to each caution mentioned.
Please keep this manual as a service reference.
01001
18.05
GlobalTestSupply
www.
.com
Find Quality Products Online at:
sales@GlobalTestSupply.com

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Summary of Contents for Global Test Supply 6850

  • Page 1 Micro manometer Model 6850 Instruction Manual Be sure to read this manual thoroughly before using the instrument. Fully understand and pay attention to each caution mentioned. Please keep this manual as a service reference. 01001 18.05 GlobalTestSupply www. .com Find Quality Products Online at:...
  • Page 2 Accessories Items Quantity Pressure tube Calibration Certification Includes Instruction Manual USB Anti-dust plug Carrying Case AC-Adapter Optional Pitot Tube GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 3: Description Of Symbols

    ATTENTIONS & NOTES The warning symbols mentioned in this manual are defined below: 〔symbol classifications〕 Danger: To Prevent Serious Injury or Death Warnings in this classification indicate a danger that may result in serious injury or death if not observed. Caution: To Prevent Damage to the Product Warnings in this classification indicate a risk of damage to the product that may void the product warranty if not observed.
  • Page 4 CAUTION ○ Always unplug when the instrument not in use. … Failure to do so may cause an electric shock, a fire or circuit damage. Using properly ○ Remove the batteries when storing the instrument for a long period of time. Do not leave drained batteries in the battery compartment and exchange the batteries promptly when they are drained.
  • Page 5: Table Of Contents

    CONTENTS 1 Introduction ................................ 1 1.1 Features ..................................1 1.2 Main Specifications ..............................1 2 Outlook & Structure ............................2 2.1 Overview ................................... 2 2.2 Keypad Functions ..............................2 3 Operation ................................3 3.1 Power Supply ................................3 3.2 Pitot Connection ............................... 3 3.3 On/Off Key ................................
  • Page 6: Introduction

    1 Introduction Model 6850 is as micro-manometer with high precision for measuring differential pressure of non-corrosion air. It’s available to measure air velocity and air flow when using Pitot. Data storage and exporting functions make user operating more convenient. 1.1 Features ...
  • Page 7: Outlook & Structure

    2 Outlook & Structure 2.1 Overview ① Item ① Display LCD ② ② Function Keypad ③ ③ Power On/Off ④ USB Port ④ ⑤ AC adapter Port ⑤ 2.2 Keypad Functions Keypad Function F1,F2,F3 Corresponding with the displaying key In test interface, change the position of display value In Menu, for parameter selection and modifying In test interface, change the position of display value In Menu, for parameter selection and modifying...
  • Page 8: Operation

    3 Operation 3.1 Power Supply Two available ways for power supply: Batteries or AC Adapter. 1. Batteries (1) 4 AA-size batteries can be used for a power supply. (2) Open the back cover, insert the batteries as under the +/- indication. (3) Tightly lock the back cover after batteries insert.
  • Page 9: On/Off Key

    3.3 On/Off Key 1. Key “On” Keep pressing “ “ for 2 ~ 3 seconds for power on. And will display the start interface. 2. Key “Off” Keep pressing “ “ for 2 ~ 3 seconds for switching to power off. GlobalTestSupply www.
  • Page 10: Mode Introduction

    4 Mode Introduction Two available modes for display: Testing mode and Holding mode. 4.1 Testing Mode When Power On, testing mode will be available right away, and it’s available for start measuring the differential pressure, air velocity and airflow with real-time displaying. Quantity of Storage samples in current ID 13:18 Mode...
  • Page 11: Holding Mode

    2. ID Setting 13:18 13:18 13:18 Choose ID ID:01[015] ID:02[000] MEAS MEAS ID 001 15 Samples ID 002 0 Samples ID 003 0 Samples ID 004 0 Samples ID 005 0 Samples 0.00 0.00 ID 006 0 Samples ID 007 0 Samples m3/h m3/h...
  • Page 12: Menu Setting

    5 Menu Setting In Testing Mode, press “ “ for entering the menu setting. MENU Under this menu, 7 choice items are available for the user: eg. Chose ID. , set up the STD/ACT, duct area, unit, data record, pitot parameters and etc. In Menu, press “...
  • Page 13: Flow Setup

    2. Temperature Setting Press “ “ or “ “ for data modification. 13:18 13:18 Std/Act Std/Act 1. Setting 1. Setting 2. Temperature 25.5℃ 2. Temperature 25.5℃ 3. Atmos 101.3 kPa 3. Atmos 101.3 kPa Temperature 27.3 ℃ Atmos setting is as same as Temperature setting. 5.2 Flow Setup Since air velocity multiply by duct cross sectional area will be calculated the air flow.
  • Page 14: Data Record

    5.6 Data Record In data record, the statistics are calculated for each test ID or clean-up the ID. It’s available for reviewing all sample data of one ID or deleting any sample in one ID. 1. Data Statistics Data statistics refers to calculate the average, minimum or maximum value of the selected ID. 13:18 13:18 Data Record...
  • Page 15: Data Export

    3. Data View It’s available for reviewing the differential pressure, air velocity, airflow and memory time of all samples under a selected ID. 13:18 13:18 13:18 Pressure ID 001 Time [Pressure] No. 001 09:20:36 No. 001 100.0 Max: 15.2 No. 002 09:20:46 No.
  • Page 16: Error And Troubleshooting

    6 Error and Troubleshooting Symptom Possible Causes Corrective Action Incorrect specification of the AC Adapter Check and refer to Chapter3.1 in Manuel No display when power On Battery installation error Check and refer to Chapter3.1 in Manuel Low or dead battery power Replace the batteries Fail for data storage Storage area full...
  • Page 17: Warranty And Service

    7 Warranty and Service 7.1 Product Warranty The limited warranty set forth below is given by KANOMAX GROUP COMPANIES with respect to the KANOMAX brand Micro manometer and other accessories (hereafter referred to as “PRODUCT”) purchased directly from KANOMAX GROUP COMPANIES or from an authorized distributor. Your PRODUCT, when delivered to you in new condition in its original container, is warranted against defects in materials or workmanship as follows: for a period of one (1) year from the date of original purchase, defective parts or a defective PRODUCT returned to KANOMAX GROUP COMPANIES, as applicable, and proven...
  • Page 18  Repair after warranty expiration: Upon request, we will repair the instrument at the customer’s expense, if the instrument’s performance is found to be recoverable by providing the repair.  Replacement parts are available for a minimum period of five (5) years after termination of production.
  • Page 19: Appendix 1 Actual Vs. Standard Air Velocity And Measurements

    Appendix 1 Actual vs. Standard Air Velocity and Measurements Actual Air Velocity is measured with a Pitot tube using the basic formula:    V is Actual Air Velocity (m/s); is Velocity Pressure (Pa);  is the air density (Kg/m is Pitot Factor;...

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