Fisher Scientific - AP85
Manufactured by Fisher Scientific
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AP85 Portable Waterproof pH/Conductivity Mete
Durable, waterproof, dustproof—ideal for rough field applications. Measures pH, conductivity and TDS plus temperature. Switches between pH, conductivity and TDS with the press of a button. Dual-display LCD shows all parameters with temperature; recalls previous calibration points too.
- Advanced set-up mode for customizing meter parameters
- Selectable automatic endpoint freezes reading immediately after stabilization
- HOLD button freezes reading
- Self-diagnostic: meter indicates when it is ready to operate; error messages alert operator to problems
- ISO* 9001 certified manufacturer
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Features of AP85
Powerful pH Mode
- Recalls pH electrode slope and offset
- Has five-point calibration with automatic buffer recognition
- Recalls and customizes effective cell constants for each range
- Autoranging for conductivity across five ranges
- Autoranging for TDS across six ranges
- Five-point calibration for ±1% full-scale accuracy
- Select temperature in °C or °F
- Set coefficient from 0 to 10% for accurate compensation in almost any solution
- Manual or automatic temperature compensation
General Specifications
| Depth | 7.5 in |
| Height | 2.25 in |
| pH Range | -2 to 16 |
| Width | 3.75 in |
| pH Resolution | 0.01 pH |
| Temperature Resolution | 0.1 °C |
| Weight | 1.4 lbs |
| Temperature Accuracy | 0.5 °C |
| pH Accuracy | ±0.01 |
| pH Meter Temperature Range | 0 to 100 °C |
| pH Meter Type | Portable |
Additional Specifications
[u]Conductivity Mode[/u]
Range: 0.00 to 19.99µS, 0.0 to 199.9µS, 0 to 1999µS, 0.00 to 19.99mS, 0.0 to 199.9mS
Resolution: 0.01µS, 0.1µS, 1µS, 0.01mS, 0.1mS
Relative Accuracy: ±1% of FS
Cell Constant: 1.0cm-1
[u]TDS Mode[/u]
Range: 0.00 to 9.99ppm, 10.0 to 99.9ppm, 100 to 999ppm, 1.00 to 9.99ppt, 10.0 to 99.9ppt, 100 to 200ppt
Resolution: 0.01ppm, 0.1ppm, 1ppm, 0.01ppt, 0.1ppt, 1ppt
Relative Accuracy: ±1% of FS
Special Features: Displays calibration points, slope/effective cell constant, auto endpoint; auto shutoff, Hold function, Ready indicator, error messages