ATI
Model A15/82 Fluoride Monitor with Auto-Calibration
7
O&M Manual
Rev-G (6/10)
SPECIFICATIONS
ELECTRONIC MONITOR
Range:
0-1.00 PPM Minimum, 0-1000 PPM Maximum
Accuracy:
± 5% of Span
Repeatability:
± 2% of Span
Drift:
< 0.1 PPM per month
Display:
16 character alphanumeric backlit LCD
Calibration:
Automatic calibration at operator programmable interval.
Calibration Standard:
Operator programmable
Control Relays:
One SPDT relay, 5A @ 220 VAC resistive.
Programmable deadband and time delay.
Control Mode:
On/Off with variable deadband and time delay
Analog Output:
Isolated 4-20 mA, 600 ohm maximum load. Programmable
output span. Output may be inverted.
Operating Conditions:
0-50° C., 0-95% R.H. non-condensing.
Power:
110/220 VAC ±10%, 50/60 Hz.
Enclosure:
Panel mount standard, NEMA 4X (PPO) wall mount optional.
CHEMISTRY MODULE
Fluoride Sensor:
Combination Fluoride/Reference Ion Selective Electrode
Sensor Cable:
10 feet standard
Response Time:
T
90
= 90 seconds
Sample Pump:
Internal Tubing Pump, 6 cc./min.
Buffer Pump:
Internal Tubing Pump, 0.06 cc/min.
Buffer:
Acetate Buffer at pH 5.3
Calibration Valve:
Sample/Standard selector pinch valve, 12 VDC
Measurement Chamber:
Cast Acrylic
Temperature Limits:
0-50° C.
Recommended Sample Rate: 10-20 GPH at Inlet Overflow Assembly
Sample Inlet:
¼” I.D. Hose Barb
Sample Drain:
½” I.D. Hose Barb
Power:
120 VAC, 60 Hz., 220 VAC, 50 Hz. Optional
