pH TRACER (Code SE1741)
Waterproof design 
Provided with 4, 7, 10 pH Buffer tablets or for better results order 500mL liquid buffers 
Rugged flat surface electrode will alert user when it's time to "RENEW" 
A "CAL" indicator shows when to recalibrate and user can select a 1, 2, or 3 point calibration 
Includes Automatic Temperature Compensation and displays temperature while showing pH results 

Specifications: 
pH Range: 0.00 to 14.00 pH
Resolution: 0.01 pH
Accuracy: ±0.01 pH
Temperature: 23° to 194°F (-5° to 90°C) 

TDS TRACER (Code SE1749)
The Tracer PockeTester offers direct reading of Conductivity, Total Dissolved Solids, Salinity and Temperature with one electrode.

Easy-to-use 
Memory can store up to 15 readings 
Automatic shut-off and Low battery indicator; uses four SR-44W button batteries 
Auto Power Off After 10 minutes of no button presses

Specifications:

Conductivity Range: 0 to 199.9 µS, 200 to 1999 µS, 2.00 to 19.99 mS

TDS Range: 0 to 99.9 ppm and mg/L, 100 to 999 ppm and mg/L, 1.00 to 9.99 ppt and g/L

Salinity Range: 0 to 99.9 ppm S, 100 to 999 ppm S, 1.00 to 9.99 ppt S

Accuracy: EC, TDS, Salt: ± 2% FS;

Temperature: ± 1°C (1.8°F)