Digital Hand-held Pocket Refractometer PAL series,  PAL-SALT
For measurement of various high concentration samples such as jam, marmalade, jelly, honey, concentrated juice or acidity and salinity. Ingress Protection class IP 65 means that they can be cleaned under running water. Easily calibrated since ''zero-setting'' (calibration) is achieved using water. Temperature measurement with Automatic Temperature Compensation. Various models for a variety of applications, e.g. measurement of urine, salt, sugar.

Specifications
Type PAL-SALT, for salt
Measurement Method: Conductivity method
Measuring range: 0.00 - 10.0 % (g/100g) of salt concentration
Measurement Resolution: 0.01% for salt concentration of 0.00 to 2.99% , 0.1% for salt concentration of 3.0 to 10.0%
Measurement Accuracy: Displayed value ±0.05% (for salt concentration of 0.00 to 0.99%)
Relative precision: ±5% (for salt concentration of 1.00 to 10.0%)
Temp. range: 5 - 100 °C 
Temp. resolution: 0.1°C
Temp. accuracy: ±1°C
Sample temperature: 5 to 100°C
Ambient Temperature: 10 to 40°C
Sample Volume: At least 0.6mL
Measurement Time: Approx. 3 seconds
Power Supply: Size AAA alkaline batteries × 2
Battery Life Approx. 8,000 measurements (when using alkaline batteries)
Offset feature: Yes
International Protection Class IP65 Dust-tight and Protected against water jets.
Dimensions & Weight 55(W)×31(D)×109(H)mm, 100g (Main Unit only)