TDI Nitro-Save NS16 User manual
3-31-2017 Page 1
3351 East. Hemisphere Loop
Tucson, AZ 85706
Phone: (520) 799-8000
Fax: (520) 799-8002
www.tdiinternational.com
TDI Humidity Control Monitor
#NS16 NITRO-SAVE®
OPERATING INFORMATION
The TDI Nitro-Save® Humidity Control Monitor is designed to control Nitrogen/CDA flowrate to accurately lower
humidity in desiccator storage cabinets. This unit displays temperature as well, but is not calibrated to monitor it.
CAUTION
The NS16 Humidity Control Monitor is ONLY to be used with the solenoid flow control valve that is supplied. This
valve is designed and specially wired to operate this unit. Use of any other device will void the 6 month warranty
and may cause serious damage. This unit is designed and calibrated to be used with nitrogen or CDA.
Stored parts should be a minimum of 1 ½” away from the sensor probe.
START UP
To start the Nitro-Save®, plug the AC adapter into an electrical outlet, and then connect it to the port located on the
back of the monitor. The monitor will automatically start to measure and display the temperature and humidity
readings.
NOTES:
Use only with the supplied AC adapter.
FOR INDOOR USE ONLY. Contact with water or use in dusty conditions may cause damage or affect
calibration.
Must Operate at 80 PSI (min) to 100 PSI (max) for Optimum Performance
To begin and display the main menu press
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MAIN MENU
The Nitro-Save® has a simple menu system that is easy to navigate.
Use the up and down arrows ( , ) to scroll through the main menu options.
The current option will be highlighted.
Press to select the highlighted option.
Use the arrows to highlight Done and press to return to the previous menu.
Main Menu:
VIEW SETTINGS
Choose the first option, View Settings to display the current high humidity setpoint. This setting defines the highest
humidity reading allowed. If the humidity rises above this setpoint, nitrogen gas will be automatically dispensed until
the humidity falls below the high humidity setpoint.
The display will show the current settings, as follows:
The current high humidity setpoint will be displayed next to High.
Audio Alarm indicates whether the alarm will sound if the humidity reading is above the high humidity setpoint.
When finished, use the arrows to highlight Done and press to return to the previous menu.
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CHANGE SETTINGS
To change the high humidity setpoint, use the up and down arrows ( , ) to highlight Change Settings and
press to proceed. This display will show:
NOTE: The high humidity setpoint is factory programmed to 20%RH, which represents general electronics
requirements. For more critical humidity control, reduce the setpoint and for less critical humidity control, increase
the setpoint.
RH Setpoint
To change the current setpoint arrow down to RH Setpoint and press . You may then use the up and down
arrows ( , ) to increase or decrease the RH setpoint.
Audio Alarm
The audio alarm setting allows users to enable or disable the alarm, for a high humidity condition. To change the
current alarm condition, arrow down to Audio and press you may then use the up and down arrows ( , )
to select YES or NO.
When finished, use the arrows to highlight Done and press to return to the previous menu.
CHECK HIGHS/LOWS
The Nitro-Save® maintains a history of the highest and lowest temperature and humidity readings measured since
the last time the history was cleared. These readings are displayed here.
To clear the history use the up and down arrows ( , ) to select Clear History and press .
When finished, use the arrows to highlight Done and press to return to the previous menu.
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ALARM CONDITION
The Nitro-Save® monitor automatically dispenses nitrogen gas when the humidity reading rises 1% above the high
humidity setpoint. If the humidity does not fall to an acceptable level (1% below the high humidity setpoint) within
one hour, an alarm condition will occur. During an alarm condition:
Screen background turns red.
Alarm, if enabled, will beep continually. Alarm is silenced by pressing .
Display will indicate the alarm condition.
Check to be sure that all doors are closed tightly, or you can choose to edit the setpoint (see instructions
above).
SPECIFICATIONS
Calibration
The humidity sensors used in the Nitro-Save® are fully calibrated with techniques and equipment that are traceable
to the National Institute of Standards and Testing (NIST) and the National Physical Laboratory (NPL).
Accuracy
The Nitro-Save® is fully calibrated and guaranteed to be accurate to: ± 2% Relative Humidity (3-80% RH)
CUSTOMER SERVICE
Warranty
TDI International, Inc. warrants this product to be free from defects in materials and workmanship for a period of six
(6) months from the date of purchase. TDI International, Inc. will repair problems that occur during the warranty
period, and that have not been caused by abuse or misuse, at no charge to the customer. TDI International, Inc.
reserves the right to determine the cause of the problem.
Returns
A Return Material Authorization (RMA) number must be obtained prior to any returns. Please contact customer
service to obtain an RMA number. Note: Items must be carefully packed to prevent damage during shipment
and must be insured to their full value. TDI International, Inc. is not responsible for damage caused by
careless or insufficient packing.
Contact Us
TDI International, Inc.
3351 E. Hemisphere Loop
Tucson, AZ 85706
For a complete product listing and additional information, please visit our website at: www.tdiinternational.com
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