Troubleshooting guide, Nominal k factor values – Badger Meter QuikSert User Manual

Page 14

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TROUBLESHOOTING GUIDE

Trouble

Possible Cause

Remedy

Meter indicates higher than actual rate

Incorrect K factor entry

Correct K factor

Debris on rotor support

Clean meter

Buildup of foreign material on meter

bore

Clean meter

Meter indicates lower than actual flow rate

Incorrect K factor entry

Correct K factor

Wrong magnetic pickup

Use only B111113 pickup

Incorrect or missing pressure and/or

temperature entries

Correct pressure and/or

temperature entries

Debris on rotor

Clean meter and add filter

Worn bearing

Replace rotor and add filter

Erratic system indication, meter alone

works well (remote monitor

application only)

Ground loop in shielding

Ground shield one place only .

Look for internal electronic

instrument ground . Reroute

cables away from electrical noise .

Indicator shows flow when shut off

Mechanical vibration causes rotor to

oscillate without turning

Isolate meter

Erratic indication at low flow, good

indication at high flow

Rotor has foreign material wrapped

around it

Clean meter and add filter

No flow indication

Rotor not turning

Clean rotor or replace rotor

cartridge

Faulty pickup

Replace pickup

Broken wire in cable between flow

sensor and receiving electronics

Repair or replace cable

System works perfect, except indicates

lower flow over entire range

Bypass flow, leak

Repair or replace bypass valves,

or faulty solenoid valves

Table 1: Troubleshooting

NOMINAL K FACTOR VALUES

Gas

Meter

Flow Range

Nominal K factor

Low

7…70 acfm (10…100 mcfd)

365

Medium

14…210 acfm (20…300 mcfd)

190

High

35…350 acfm (50…500 mcfd)

85

Table 2: Gas K factors

Turbine Flow Meter, B142 Gas QuikSert

Page 14

June 2014

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