OZ-21P Dissolved Ozone Meter
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TheOZ-21P Portable Ozone meter provides an instant measurement of dissolved ozone in potable water by the use of a polarographic sensor.
This unit is similar in technical operation to the RC-31P residual chlorine meter..
A unique beads polishing system incorporated at the electrode system maintains the electrode in good working condition, free of interferences at the gold microelectrode, and ensures stable measurement.
The meter also indicates the sample temperature and includes a built-in-clock. The instrument can store one set of results (measurement, temperature and time) in memory for later retrieval. Power is provided by two standard AA batteries which have an operating life of up to 50 hours.
|Measuring Method||Polarographic method|
|Indication||digital display, Ozone concentration, temp., and time simultaneous|
|Sample Water||Ozonated water, City water or well water. Used or dirty disinfection wash water not measurable.|
Ozone : 0-2.0
mg/L(ppm), lower detection limit is 0.05mg/L
water Temperature: 5 to 40 degrees C.
Mode 1: Diss. Ozone: +/-5% F.S.(+/- 0.1 mg/L) or less. Temp: +/-0.5C
Auto Hold Mode 2: Diss. Ozone: +/-10% F.S.(+/- 0.2 mg/L) or less. Temp: +/-1.0C
|Response time||Auto Hold
Mode 1: Shorter than 1 min, 30 seconds at 25C
Auto Hold Mode 2: Shorter than 1 min at 25C
|Water Conditions||pH 5.5to 8.5, Electric Conductivity 10-200 S/m(100uS-2mS/cm), 100-200ml/min flow, stable|
|Temp. Compensation||Automatic (0-40 C)|
|Calibration||zero/span or by coefficient input method/correlation to colorimetric or alternate technique|
Sensor: PVC, Gold, Silver, Epoxy resin, ABS, silicon, Polyethelyne, Stainless steel Alumina
|Sensor Cable||1M standard. Optional 3m cable available|
|RS-232 C Output||Printer output, RS-232C Standard|
|Water Proof construction||IP67 type, JIS C920 protection class 7|
|Power Source||2x AA cells or AC adapter(option)|
|Dimensions / weight||Main Body:
75mm(W) x 187(H) x 37(D)
Approx. 305g, sensor 180g
Main Unit Information for OZ-21P
Options for OZ-21P
Consumables for the OZ-21P