MODEL 54eA | SECTION 1.0 |
| SPECIFICATIONS |
SPECIFICATIONS — OXYGEN
Measurement Range:
Resolution: 0.01 ppm, 0.1 ppb for 499A TrDO sen- sor
Temperature correction for membrane permeabili- ty: automatic between 0 and 50°C (can be dis- abled)
Calibration: automatic air calibration or calibration against a standard instrument
Pressure sensor range: 113 to 862 mmHg (151 to 1149 mbar)
RECOMMENDED SENSORS —
OXYGEN:
Model 499A
Hx438 and Gx448
SPECIFICATIONS — FREE CHLORINE
Measurement Range:
Resolution: 0.001 ppm
Temperature correction for membrane permeabili- ty: automatic between 0 and 50°C (can be dis- abled)
pH Correction: Automatic between pH 6.0 and 9.5. Manual pH correction is also available.
Calibration: against grab sample analyzed using portable test kit.
RECOMMENDED SENSOR — FREE CHLORINE:
Model 499A
SPECIFICATIONS — pH
Application: pH measurement available with free chlorine only.
Measurement Range: 0-14 pH
Resolution: 0.01 pH
Sensor Diagnostics: Glass impedance (for broken or aging electrode) and reference offset. Reference impedance (for fouled reference junction) is not available.
Repeatability: ±0.01 pH at 25°C
Stability: ±0.01 pH/month,
RECOMMENDED pH SENSORS:
Model
See pH sensor product data sheet for complete ordering information.
SPECIFICATIONS — TOTAL CHLORINE
Measurement Range:
Resolution: 0.001 ppm
Temperature correction for membrane permeabili- ty: automatic between 5 and 35°C (can be dis-
abled)
Calibration: against grab sample analyzed using portable test kit.
RECOMMENDED SENSOR — TOTAL CHLORINE:
Model 499A
SPECIFICATIONS — OZONE
Measurement Range:
Resolution: 0.001 ppm
Temperature correction for membrane permeabili- ty: automatic between 5 and 35°C (can be dis- abled)
Calibration: against grab sample analyzed using portable test kit.
RECOMMENDED SENSOR — OZONE:
Model 499A
3