Need help getting Par

[Esardog]

First let me say I am electronically challenged.:uhoh2: So I need someone to help me with using a multimeter and an Appogee SQ-110 sensor to read par -- Which multimeter should I buy? I have the sensor(arriving Mon). Help please. Thanks.:wave:

Eddie
Marineland 300DD
RO 5000Ext
6 - UNIQUE Prism Led Lights
Reeflow Snapper/Dart return
Closed loop - Dart
420lb rock - 2.5" Coral Agra Special