After removing the sensor but before screwing the cap back on the storage solution bottle, place a nickel under the cap and screw the cap on. The nickel will act as a seal. This will work for both pH and ORP storage solution bottles. Just make sure y...
Tech Support Search
The ideal technique is to use two products that were designed specifically for this situation:
Bracket that attaches the Dual-Range Force Sensor (DFS) to a Pasco cart: Adapter for PASCO Cart (PCA-DFS)
Mass that fits onto a Pasco cart with a DFS: ...
In order to calibrate a Conductivity Probe, or to confirm that a saved calibration is accurate, you should have a supply of standard solutions that cover the range of values you will be measuring. There are multiple ways to obtain these solutions:
...
Yes, the DO Calibration Solution (sodium sulfite) can be purchased as DO Calibration Solution (DO-CAL). Note that this is for the original Dissolved Oxygen Probe, not for the Optical DO Probe....
Try the troubleshooting steps found at:
Colorimeter Troubleshooting and FAQs
Common symptoms of a malfunctioning Colorimeter include:
- Pressing the arrow buttons does not switch between wavelengths
&nb...
There could be several reasons for this.
1. There is a gentle drop in the voltage response of the Turbidity Sensor for the first several minutes that it is plugged in. If it is calibrated right when it is plugged in, then some time passes before a...
PGC Scientific in Gaithersburg, Maryland, about $130 per dozen. The 10-mL syringe with the Luer Lock connector.
Aldrich Chemical also sells the "Perfectum" syringes, which were used in the February 2006 Americal Journal of Physics article....
According to Hach Co. the glass tubes used with a Vernier Turbidity Sensor can be autoclaved for sterilization purposes. However, the caps cannot. These turbidity cuvettes are catalog number 24347-06 from Hach....
The instructions for the Turbidity sensor state that the sample cuvette be filled "so that the bottom of the meniscus is at the top of the white line." Some cuvettes no longer have this line. If you are using a cuvette that has no line, you can draw ...
Here are some tips to insure successful data collection with the Exercise Heart Rate Monitor. Please note that the current model of the Exercise Heart Rate Monitor contains a Polar Transmitter Module that is connected to a chest strap. The Polar Tran...