Pocket Tester Application Guide
Match the measurement you need to the right pocket meter. A filled dot means the meter is suitable for that application; where a specific model or accessory is required, it is noted alongside.
| Application |
 HORIBA LAQUAtwin pH11 |
 HORIBA LAQUAtwin pH22 / pH33 |
 HORIBA LAQUAtwin EC11 |
 HORIBA LAQUAtwin EC22 / EC33 |
 HORIBA LAQUAtwin Ion Meters * |
 APERA PH20 |
 APERA PH60 / PH60S / PH60F |
 APERA PC60 |
 APERA GroStar GS1 / GS2 |
 APERA EC20 |
|---|---|---|---|---|---|---|---|---|---|---|
| General water testing | ||||||||||
| Low volume samples | – | – | – | – | – | |||||
| Solid / semi-solid samples | – | – | – | PH60S | – | – | – | |||
| Paper, textiles and films | – | – | – | PH60F | – | – | – | |||
| Powders | – | – | – | – | – | |||||
| Surface measurement | with sample sheet | with sample sheet | – | – | with sample sheet | – | PH60F | – | – | – |
| Soil measurement (direct) | – | – | – | – | ||||||
| Soil measurement (soil solution) | ||||||||||
| Combined pH / EC | – | – | – | – | – | – | – | – | – | |
| Conductivity measurement | – | – | – | – | – | – | ||||
| Conductivity measurement (up to 199.9 mS/cm) | – | – | – | – | – | – | – | – | – | |
| Plant sap testing | – | – | – | – | – |
Pocket tester suitability by application
General water testing10
-
HORIBALAQUAtwin pH11 -
HORIBALAQUAtwin pH22 / pH33 -
HORIBALAQUAtwin EC11 -
HORIBALAQUAtwin EC22 / EC33 -
HORIBALAQUAtwin Ion Meters * -
APERAPH20 -
APERAPH60 / PH60S / PH60F -
APERAPC60 -
APERAGroStar GS1 / GS2 -
APERAEC20
Low volume samples5
-
HORIBALAQUAtwin pH11 -
HORIBALAQUAtwin pH22 / pH33 -
HORIBALAQUAtwin EC11 -
HORIBALAQUAtwin EC22 / EC33 -
HORIBALAQUAtwin Ion Meters *
Solid / semi-solid samples4
-
HORIBALAQUAtwin pH11 -
HORIBALAQUAtwin pH22 / pH33 -
HORIBALAQUAtwin Ion Meters * -
APERAPH60 / PH60S / PH60FPH60S
Paper, textiles and films4
-
HORIBALAQUAtwin pH11 -
HORIBALAQUAtwin pH22 / pH33 -
HORIBALAQUAtwin Ion Meters * -
APERAPH60 / PH60S / PH60FPH60F
Powders5
-
HORIBALAQUAtwin pH11 -
HORIBALAQUAtwin pH22 / pH33 -
HORIBALAQUAtwin EC11 -
HORIBALAQUAtwin EC22 / EC33 -
HORIBALAQUAtwin Ion Meters *
Surface measurement4
-
HORIBALAQUAtwin pH11with sample sheet -
HORIBALAQUAtwin pH22 / pH33with sample sheet -
HORIBALAQUAtwin Ion Meters *with sample sheet -
APERAPH60 / PH60S / PH60FPH60F
Soil measurement (direct)6
-
HORIBALAQUAtwin pH11 -
HORIBALAQUAtwin pH22 / pH33 -
HORIBALAQUAtwin EC11 -
HORIBALAQUAtwin EC22 / EC33 -
HORIBALAQUAtwin Ion Meters * -
APERAGroStar GS1 / GS2
Soil measurement (soil solution)10
-
HORIBALAQUAtwin pH11 -
HORIBALAQUAtwin pH22 / pH33 -
HORIBALAQUAtwin EC11 -
HORIBALAQUAtwin EC22 / EC33 -
HORIBALAQUAtwin Ion Meters * -
APERAPH20 -
APERAPH60 / PH60S / PH60F -
APERAPC60 -
APERAGroStar GS1 / GS2 -
APERAEC20
Combined pH / EC1
-
APERAPC60
Conductivity measurement4
-
HORIBALAQUAtwin EC11 -
HORIBALAQUAtwin EC22 / EC33 -
APERAPC60 -
APERAEC20
Conductivity measurement (up to 199.9 mS/cm)1
-
HORIBALAQUAtwin EC22 / EC33
Plant sap testing5
-
HORIBALAQUAtwin pH11 -
HORIBALAQUAtwin pH22 / pH33 -
HORIBALAQUAtwin EC11 -
HORIBALAQUAtwin EC22 / EC33 -
HORIBALAQUAtwin Ion Meters *
* LAQUAtwin Compact Ion Meters are available for the following parameters: Calcium, Potassium, Sodium, Nitrate, Fluoride, ORP and Salt (NaCl).
