Manual
SPECIFICATIONS
Power Supply Options
Battery Powered One D size, 1.5V alkaline battery.
Loop Powered Optional 4-20 mA loop power.
Alphanumeric Rate and Total Display
Eight digit, 0.50 inch high numeric display.
Eight character, 0.25 inch high alphanumeric display.
Fixed or toggle modes of operation for flow rate and totalizer display.
Accuracy ±0.1%.
Temperature Drift 50 ppm / ° C (maximum).
Mounting Style Panel Mount (3.6 inch × 3.6 inch Opening). NEMA 4 (front only).
Environmental
Operating Temperature –22…158° F (–30…70° C).
Humidity 0…90% Non-condensing.
Inputs
Type Magnetic pickup input.
Frequency Range 0…3500 Hz.
Trigger Sensitivity 30 mV p-p.
Over Voltage Protected ±30V DC.
Outputs
Type Opto-isolated open collector transistor.
Maximum Voltage 30V DC.
Pulse width 20 mS/Max rate 20 Hz.
Current (ON state) 0.9V drop @ 5.0 mA or 0.7V drop @ 0.1 mA.
Optional 4-20 mA output.
INSTALLATION
1. Cut a 3.6 inch × 3.6 inch square opening in the panel. See Figure 2.
2. Disconnect the battery from the main board terminal.
3. Remove the large battery mounting plate by removing the four Phillips head screws from the main assembly standos.
4. Mount the main assembly through the panel opening and temporarily hold in place (tape will work).
5. Attach the signal wires to the appropriate terminal blocks.
6. Reattach the large battery mounting plate with the four Phillips head screws.
7. Secure the assembly to the panel with the four outer screws.
Flow Monitor, B2800 Panel Mount – Simplied
Page 6 November 2013