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Apera PH850-PW Portable Pure Water pH Meter with LabSen 803 Electrode
Portable pH Testing for Pure and Low-Ion Water
The Apera Instruments PH850-PW portable pH meter pairs with the LabSen 803 glass 3-in-1 pH/temperature electrode for testing reverse osmosis (RO), distilled, deionized and drinking water, as well as other low-ion-concentration solutions. Take measurements on the move, or use the foldable stand to position the meter on a workbench.
Key Features
Pure-water electrode: LabSen 803 with an integrated temperature sensor, movable sleeve junction and silver ion trap reference.
Temperature compensation: Automatic or manual compensation to support pH measurement.
Calibration and diagnostics: Automatic calibration, electrode slope display, out-of-range diagnostics and electrode invalidation alerts.
Portable design: IP57-rated meter with a soft silicone case, foldable stand and automatic power-off.
Power options: Three AA batteries or DC 5V through the USB port.
Meter Specifications
Model
PH850-PW
pH range
0 to 14 pH (meter)
pH resolution
0.01 / 0.1 pH
pH accuracy
±0.01 pH ±1 digit
Temperature compensation range
0 to 100°C, automatic or manual
mV range
-1000 to +1000 mV
mV resolution
1 mV
mV accuracy
±0.2% full scale ±1 digit
Temperature measurement range
0 to 100°C (32 to 212°F), meter specification
Temperature resolution
0.1°C
Temperature accuracy
±0.5°C ±1 digit
Ingress protection
IP57
Power
3 AA batteries / DC 5V USB
Data storage and output
No data storage or data output listed
Meter dimensions and weight
88 × 170 × 33 mm; 313 g
With-case dimensions and weight
360 × 270 × 76 mm; 1.6 kg
Included LabSen 803 Electrode Specifications
Electrode type
Glass 3-in-1 pH/temperature electrode
Housing
Lead-free glass
pH range
1 to 11 pH
Temperature range
0 to 80°C (32 to 176°F)
Temperature sensor
Integrated
Junction
Movable sleeve
Reference
Silver ion trap
Electrolyte
3M KCl
Glass membrane
Cylindrical
Connectors
BNC and RCA
Measurement limits: The meter and electrode have different ranges. When using the included LabSen 803, stay within its specified 1–11 pH and 0–80°C operating ranges.
Applications
Use the PH850-PW for pH checks in RO water systems, distilled or deionized water workflows, drinking water testing and other low-ion water applications. This instrument measures pH and temperature; a pH reading alone does not establish drinking-water safety.
