Ametek 388 Ranarex - User Manual

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388 Ranarex Portable Gas Gravitometer

USER MANUAL

PN RI-212, Rev. L

LOCK

UNLOCK

ZERO

ADJUST

RANAREX

SPECIFIC GRAVITY

Main Page

Table of Contents3
Important Safety Warnings, Cautions, and Notes6
Electrical Safety7
H 2 S Warning7
Grounding7
Warning Labels8
Environmental Information - WEEE8
Overview9
388 Ranarex Portable Gas Gravitometer9
Theory of Operation9
Zero Position - Reference Air Only10
Reading Position - Unknown Gas and Reference Air11
Measuring Relative Density12
Selector Valve12
Motor12
Options13
Installation and Start-Up15
Pre-Installation Requirements16
Storage Prior to Installation16
Uncrating and Inspecting the Ranarex Gas Gravitometer17
Mechanical Installation18
Location and Environment18
Permanent Mounting18
Electrical Installation20
DC-AC Power Inverter - Alternate Powering Method20
Damaging the Inverter20
Installing the Inverter21
Check Vehicle Polarity21
Choosing a Location21
Cable Installation22
Inverter Connections22
Connection Polarity23
Inverter Operation24
Stopping the Inverter24
Regulating the Inverter Voltage24
Operating Other Equipment25
Typical Loads25
Conditioning the Gas and Air Samples26
Dry Reference Air26
Pressure Requirements26
Temperature Requirements26
Moisture Content of Gases27
Filtering out Liquids27
Setting up the System28
Preparing the Dryer28
Attaching the Outlet Hoses29
Gas Filter29
Gas Temperature30
Adjusting Sample Temperature30
Sample Gas Connections30
Operation31
Pointer Lock31
Operating the Ranarex Gas Gravitometer32
Starting the Gravitometer32
Reading the Gas33
Shutting down the Gravitometer33
Helpful Operation Tips34
Zero Adjustment34
Response Time34
Over-Pressure Protection34
Purging to 1.000 after Measuring a Gas34
Maintenance and Troubleshooting35
Safety Considerations36
Aftermarket Excellence and Long-Term Commitment to Safety and Quality37
Recommended Spare Parts Lists38
Operating Mechanism38
General Spare Parts39
Accessories39
Calibration Pulley39
Diagnostic Flowcharts40
Air and Gas Flow Checks41
Impeller Speed Check41
Frictionless Indicator Response42
Internal Leak Check43
Check the Indicator Balance44
Check the Silica Gel in the Dryer44
Gravitometer Calibration44
Maintenance45
Preparing the Gravitometer for Service45
Removing the Front and Rear Covers45
Removing the Indicating Scale45
Removing the Front Chamber Cover46
Removing the Rear Chamber Cover46
Cleaning and Servicing the Selector Valve47
Cleaning the Selector Valve47
Polishing the Valve47
Adjusting the Pointer Lock48
Cleaning, Adjusting, and Replacing the Connecting Tape49
Tracking the Tape49
Cleaning the Tape49
Replacing the Tape49
Idler Bearing49
Replacing the Impeller Bearings50
Specifications55
Calibration57
Calibrating the Ranarex Gravitometer57
Zero Adjust57
Sensitivity57
Too Sensitive57
Not Sensitive Enough57
Span Adjustment58
Calibration Pulley59
Test Procedure for Calibration Pulley59
Drawings61

Brand	Ametek
Model	388 Ranarex
Category	Measuring Instruments
Language	English

Ametek 388 Ranarex - User Manual

Table of Contents

Ametek 388 Ranarex Specifications

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