Specifications include, but are not limited to: 1. Hyrdrolab HL7 Water Quality Sonde Handheld with internal battery power, temperature and other integrated sensors. Top Assembly, with battery; 2. aa Sensor, LDO Option. Luminescent Dissolved Oxygen (LDO) sensor integrated to Hydrolab HL Series sonde; 3. Sensor, Integrated REF Option, HL pH sensor integrated to Hydrolab HL Series sonde with integrated reference; 4. aa Depth, 25m Option, HL. 25 meter depth sensor integrated to Hydrolab HL Series sonde; 5. Sensor, Turbidity Option, HL Series Turbidity Sensor integrated to Hydrolab HL Series sonde; 6. Sensor, Conductivity Option Conductivity Sensor integrated to Hydrolab HL Series sonde; 7. Sensor, Chlorophyll A Option, HL Series. Chlorophyll A Sensor integrated to Hydrolab HL series sonde. Cannot be combined with HL4 with internal battery pack.; 8. Phycocyanin Sensor integrated to Hydrolab HL7 sonde - stainless stell housing sensor, blue green algae fresh option, HL series; 9. Sensor, Ammonium option. Ammonium ISE sensor integrated to Hydrolab HL sonde; 10. Cable, lightweight marine, overmolded, 2M, HL. 2 meter lightweight deployment Cable for Hydrolab HL series sonde; 11. ee Surveyor HL. Hydrolab Surveyor HL
