Product - Dissolved Oxygen HQd Meters and IntelliCAL™ Probes
LDO® Meters & Probes
Luminescent Dissolved Oxygen: Simplify Your Maintenance
The breakthrough Hach Luminescent Dissolved Oxygen (LDO) technology, now the standard for measuring Dissolved Oxygen, eliminates the numerous reliability and maintenance concerns inherent in older DO membrane instruments.
- No membranes!
- Infrequent calibrations
- No electrolyte to replace or anode to polish
- 1-year sensor life
- EPA recommended method
See below for individual meters and probes or see our kits that include everything you need to start testing!
HQd Meters for Dissolved Oxygen
Laboratory
- HQ440d Benchtop
- - Dual Input
- - Multi-Parameter - pH, Conductivity, Dissolved Oxygen, ORP, and ISE
- HQ430d Benchtop
- - Single Input
Portable
- HQ40d Portable
- - Dual Input
- - Multi-Parameter - pH, Conductivity, Dissolved Oxygen, ORP, and ISE
- HQ30d Portable
- - Single Input
- - Multi-Parameter - pH, Conductivity, Dissolved Oxygen, ORP, and ISE
IntelliCAL LDO Probes
Rugged LDO Probes
Designed for harsh environments. Features a super-tough, stainless steel body and polymer shroud that protects the sensor from impact. Reinforced, steel-sheathed cables are durable, yet manageable. Waterproof for 24 hours at a depth of 30 meters.
Standard LDO Probes
lso measures temperature. Waterproof for up to 24 hours at a depth of three meters.
HQd Starter Kits for Dissolved Oxygen -Everything you need to start testing!
HQd Bundles for Dissolved Oxygen - Meter and probe bundles
HQd Rugged Field Kits for Dissolved Oxygen
- HQ40d Advanced Portable Meter Package with LDO101 Rugged Dissolved Oxygen, PHC101 Rugged pH, and CDC401 Rugged Conductivity Probes
- HQ40d Portable Meter Package with LDO101 Rugged Dissolved Oxygen and PHC101 Rugged pH Probes
- HQ40d Portable Meter Package with LDO101 Rugged Dissolved Oxygen Probe
- HQ30d Portable Meter Package with LDO101 Rugged Dissolved Oxygen Probe
