High accuracy sensors require high accuracy calibration solutions. Atlas Scientific conductivity calibration solutions are made using a six-stage process to ensure the highest accuracy. If you need a certificate on analysis, just email...

This ORP Probe can be fully submerged in fresh water or salt water, up to the BNC connector indefinitely. Reads ORP Range +/- 2000mV Accuracy +/– 1mV Connector Male BNC Response time 95% in 1s Max pressure 100 PSI Max depth 60m (197 ft)...

Atlas Scientific Zero Dissolved Oxygen Calibration Solution is guaranteed not to have any oxygen in it. This stuff is great for calibrating the low end of the Dissolved Oxygen scale or to confirm that your Dissolved Oxygen probe is...

• 125mL • 225 ±2.0mV at 25°C • Good for 30 days after opening • Keep refrigerated for longer life

Reads ORP Range -1019.9mV − 1019.9mV Accuracy +/– 1mV Response time 1 reading per sec Supported probes Any type & brand Calibration Single point Temp. compensation N/A Data protocol UART & I2C Default I2C address 98 (0x62) Operating...

This Industrial ORP Probe can be fully submerged in fresh water or salt water, up to the tinned leads indefinitely. Reads ORP Range +/- 2000 mV Accuracy +/– 1mV Connector Tinned leads Response time 95% in 1s Max pressure 100 PSI Max...

This Spear Tip pH Probe can be fully submerged in fresh water or salt water, up to the BNC connector indefinitely. Silver / silver chloride Reads pH Range 0 − 14 Accuracy +/– 0.002 Connector Male BNC Resolution +/- 0.0001 Response time...

This Mini pH Probe can be fully submerged in fresh water or salt water, up to the SMA connector indefinitely. Silver / silver chloride Reads pH Range 0 − 14 Accuracy +/– 0.002 Connector Female SMA Resolution +/- 0.0001 Response time 95%...

• pH Probe Storage Solution • 125ml (4oz) • 2 year shelf life at room temperature

Did you let your pH probe dry out? (don’t worry; you’re not the only one) Do you have a $12 pH Probe that you bought from ebay that isn't working correctly? Maybe that Probe you have has seen better days. Before you throw it away, think...

• pH 7.00 • Works with any pH Probe • 125ml (4oz) or 250ml (8oz) • ±0.02 pH at 25°C • Standardized against NIST-certified references • 2 year shelf life at room temperature

• pH 4.00 • Works with any pH Probe • 125ml (4oz) or 250ml (8oz) • ±0.02 pH at 25°C • Standardized against NIST-certified references • 2 year shelf life at room temperature