Additional scaling parameters, Flow 4 ma setting, Flow 20 ma setting – Badger Meter B2800 User Manual

Page 14: 20 ma calibration, 20 ma test, Additional scaling parameters 14

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ADDITIONAL SCALING PARAMETERS

OTEE:

N

The programming instructions below are only available for loop powered models Battery powered models will not

include these programming choices

OTEE:

N

If the B2800XP flow monitor was ordered with a Blancett turbine flow meter, the 4…20 mA was programmed and

factory calibrated

B2800XP Simplified 4-20 mA Programming Instructions

Flow 4 mA Setting

When the loop powered option is ordered, the flow rate that corresponds to 4 mA must be set Zero is the default flow rate for

this setting If the current selection is correct, press ENTER to advance to the next parameter If adjustment is required, use the

RIGHT arrow to select the position of the number you wish to change; then, use the UP arrow to increment the number Once

you have completed this step, press ENTER to advance to the next parameter

Flow 20 mA Setting

The flow rate that corresponds to 20 mA must be set next The turbine meter’s maximum flow rate is the default value If the

current selection is correct, press ENTER to advance to the next parameter If adjustment is required, use the RIGHT arrow

to select the position of the number you wish to change; then, use the UP arrow to increment the number Once you have

completed this step, press ENTER to advance to the next parameter

4-20 mA Calibration

When ordered with a 4-20 mA option, this menu item allows the fine adjustment of the 4-20 mA output The 4 mA setting is

typically between 35 …50 To set the 4 mA value, connect an ammeter in series with the loop power supply At the 4 mA OUT

prompt, adjust the 4 mA value to obtain a 4 mA reading on the ammeter The UP arrow increments the value and the RIGHT

arrow decrements the value When a steady 4 mA reading is obtained on the ammeter, press ENTER to lock in this value and

move to the 20 mA adjustment The 20 mA adjustment is performed using the same procedure as the 4 mA adjustment

4-20 mA Test

The monitor contains a diagnostic routine that allows the simulation of mA values between 4-20 to check output tracking At

the 4-20 TEST prompt, the arrow keys change the simulated mA output in increments of 1 mA The ammeter should track the

simulated mA output If a 4-20 mA test is not necessary, pressing ENTER will escape the testing at any time

Flow Monitor, B2800XP Explosion Proof Monitor – Simplified

Page 14

November 2013

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