HQ Series Lab & Field Multi-parameter Meters
Multi-parameter meters with Intellical smart probes that are recognised the instant they are plugged in.
- 7
- parameter types
- Smart
- probe recognition
- Lab
- & field
Parameter
TDS Meters & Total Dissolved Solids Measurement
Total dissolved solids (TDS) is usually estimated from conductivity using a conversion factor, or measured gravimetrically by evaporation.
LimitSANS 241: ≤ 1 200 mg/L (aesthetic).
Measurement options
Laboratory, portable and online TDS measurement
Laboratory
Conductivity meters with a configurable TDS factor, or the gravimetric method using a drying oven and analytical balance.
- HQ Series Lab & Field Multi-parameter Meters HACH
- XS Instruments pH, Conductivity & DO Meters XS Instruments
- Adam Equipment Analytical & Precision Balances Adam Equipment
Portable & field
Handheld conductivity and TDS meters for field screening.
Online & process
Online conductivity sensors with TDS calculation in the controller.
Products
Products for TDS
XS Instruments pH, Conductivity & DO Meters
Cost-effective benchtop and portable electrochemistry meters with a full electrode range.
- pH
- EC · DO
- Bench
- & portable
- Value
- alternative
Process pH, ORP & Conductivity Sensors
Digital sc and analogue process sensors for pH, ORP and conductivity in clean to heavily fouling streams.
- pH
- ORP · EC
- Plug
- & play
- Digital
- sc sensors
Adam Equipment Analytical & Precision Balances
Analytical and precision balances for sample preparation and gravimetric methods.
- Analytical
- & precision
- Gravimetric
- methods
- Cal
- weights available
Common questions
Is TDS the same as conductivity?
No. Meters calculate TDS from conductivity using a factor, typically between 0.5 and 0.7 depending on the ions present. For reported values, confirm the factor or use the gravimetric method.
Need to measure TDS?
Tell us your sample type, range and whether you need lab, portable or online measurement. We will recommend the right option.