Item # Date of Purchase HotBlock® TKN Serial # Please record the serial # of your HotBlock® TKN here for easy reference. Your serial # is located on the back of your HotBlock® TKN. +1.800.343.5319 or +1.843.881.6560 envexp.com Environmental Express...
This warranty applies only to damage or failure caused by normal laboratory use. The warranty is limited to product repair. If Environmental Express is unable to repair the HotBlock, the customer may, at his or her option, receive a replacement unit or a full refund. Operating the HotBlock® TKN at temperatures higher than 450°C will void the warranty.
Please consult your Safety Manager and Safety Data Sheets (SDS) prior to operating this equipment. Contact Environmental Express, Inc. if there are any questions. User assumes all liability for damages arising from the operation of this equipment.
Getting Started ® Environmental Express® HotBlock® TKN System Environmental Express HotBlock® TKN System provides an efficient method of digesting and storing water, wastewater, soil and sludge samples for Total Kjeldahl Nitrogen (TKN) analysis, total phosphorous (TP or TKP); total metals digestions, or other digestion methods requiring temperature up to 450°C.
For safety reasons, a separate power receptacle should be provided for each unit in the system. Do not use extension cords or outlet adapters. Make certain that power outlets are earth-grounded at the grounding pin. +1.800.343.5319 or +1.843.881.6560 envexp.com Environmental Express • 4...
Note: When preparing a sample for TKN digestion, it is important to mix it very well. Use a vortex mixer for best results. This will prevent layering which can lead to splashing and bumping during digestion. +1.800.343.5319 or +1.843.881.6560 envexp.com Environmental Express • 5...
If this should occur, the HotBlock® TKN will stop heating, preventing the loss of samples. The HotBlock® TKN must be turned off, then turned back on to reset the alarm. +1.800.343.5319 or +1.843.881.6560 envexp.com Environmental Express • 6...
The HotBlock® TKN contains no user serviceable parts. If you experience troubles with heating, temperature accuracy, controller display, or any other issues, you will need to send the affected portion of your system to Environmental Express for repairs. Please contact one of our technical support staff to coordinate the repair process.
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