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Thermocouple Calibrator, 14 Thermocouple Types 948A Wireless Thermocouple Calibrator, 14 Thermocouple Types Operation Manual rev AB Manual Part Number: 94XA-900, Rev. AB Published October 2024, Geneva, OH 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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Department of Defense. Except as explicitly permitted foregoing, reproduction for non-governmental use of the information or illustrations contained in this computer software and technical data is not permitted. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 tegamsales@aei.com...
A. Required Calibration Equipment ..............A-i B. Instrument Verification Data Sheet ..............B-i C. Thermocouple Calibrator Maximum Uncertainty over 100° Intervals ..C-i D. Expanded Instrument Uncertainties............... D-i 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 tegamsales@aei.com...
Twelve (12) momentary switches with audible and tactile Keypad feedback (Thirteen switches on Model 948A) See Appendix D for expanded uncertainties, Accuracy based on recommended calibration cycle 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
700 to 800 0.28 0.22 0.21 800 to 900 0.29 0.24 0.22 900 to 1000 1000 to 1100 1100 to 1200 1200 to 1300 1300 to 1400 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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900 to 1000 1000 to 1100 1100 to 1200 1200 to 1300 1300 to 1400 1400 to 1500 1500 to 1600 1600 to 1700 1700 to 1800 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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1400 to 1500 1500 to 1600 1600 to 1700 1700 to 1800 1800 to 1900 1900 to 2000 2000 to 2100 2100 to 2200 2200 to 2300 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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0.22 0.42 700 to 800 0.23 0.27 800 to 900 0.25 900 to 1000 1000 to 1100 1100 to 1200 1200 to 1300 1300 to 1400 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
Typical battery life under normal use conditions in laboratory environment. Continuous or repeated use of features such as the backlight or Bluetooth use or storage at high or low temperature extremes may reduce battery life. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
Do not attempt to measure temperatures beyond the range of the temperature probe. Probe damage or personal injury could result from exceeding a probe’s maximum temperature rating. Safety Notices and Information continued on next page ..10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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Static discharge through a connected temperature probe may cause instrument damage. Use care to avoid static discharge when handling the instrument or connected probes. Commented [MA[P4R3]: Changed 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
Use the original packing materials if reshipment is necessary. If any dents, broken, or loose parts are seen, do not use the equipment. Notify TEGAM immediately. Check that all items are present. If any items are missing, notify TEGAM immediately.
Thermocouple type, desired digit or changing the mode. Momentarily (do not hold) press to save your selection and move to the next parameter. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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To save the current parameter value and exit the Setup Menu, press To disregard changes made to the current parameter value and exit the Setup Menu, press 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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Transfer Mode Toggle between 10%and 90% of 10/90% Span Set to 0% or increase by 25% of 0/+25% Span Figure 2: TEGAMLink C User Interface Description 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
1.5 seconds. Throughout this Operation Manual, the press and hold sequence is indicated by the key designator followed by the subscript (1.5s). For instance, (1.5s) 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
Step Function: There are 10 equal steps between 0 °C and Span. Source continuously steps up and down. There is a 2 second dwell time on each step. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
Under Range: The applied temperature is less than the minimum U rnG temperature for the selected thermocouple type Figure 5: LCD Error Indications 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
°C and °F”. If parameter 2 is set to “mV”, the remaining parameter choices available are in Figure 5 below under “Setup Choices for mV”. STATS are not active in mV mode. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
Turning off the Source channel will improve battery life. Do not turn the Source channel on or off with any instrument connected. Low range is for calibration verification only. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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Transfer Figure 6: Setup Menu Choices If no key is pressed for 10 seconds, the instrument will save the current configuration and exit the Setup Menu. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
The first line of the display indicates the current Source Channel value, regardless of which view mode statistic is currently displayed. Standard Deviation is calculated using the population formula: = √ ∑ (−µ) 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
To re-enable the backlight timeout feature, turn the backlight off then on by pressing twice. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
20 minutes. Do not use Transfer mode if the Source channel is connected directly to the Read channel. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
Probe offset measurement using an ice bath or thermowell should only be performed by personnel trained and qualified in the use of such instruments and related metrology methods. 3-11 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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Setup Menu. Alternatively, to disregard the new offset value and exit the Setup Menu, press OFFSET is displayed at the top-left of the LCD display. 3-12 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
Presets. From the Setup Menu, press to disregard changes to the current parameter value and exit the Setup Menu. 3-13 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
The preset number just erased will still appear on the LCD until moved from that preset number. Once moved to a different preset, it will no longer appear when trying to recall a preset. 3-14 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
Suitable accuracy means a metrology-grade DMM. To achieve mV limits shown in Appendix B, the DMM must have accuracy equivalent to 30 ppm of reading and 9 ppm of range on the 100mV range. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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Figure 13 above for the “High range”, notating the result from the DMM on the “Instrument Verification Data Sheet”, Appendix D in “Source DC Volts Channel 1” “Measurement Result” and “Measure DC Volts Channel 2” “Standard” column. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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An insulated box inside a calibration lab environment, see Appendix A. An accurate thermometer specification is 2 Sigma uncertainty ≤ .04°C (40mK) at the verification temperature. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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23.77 °C (23.88 minus 0.11). The CJC values should be no greater than these limits. (NOTE: The 0.11 °C value is derived from the 0.15 °C specification minus the .04 °C uncertainty of the temperature measurement device.) 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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Do not apply voltages greater than 83 mV DC to the UUT inputs. Voltages CAUTION greater than 83 mV may damage the instrument. Continued on next page… 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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2-digit month. By using the and/or keys, adjust the instrument to the 2-digit month for the calibration being conducted. Press to save and advance to day. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
(see Section 0, attached probe Setup Menu) When sourcing from a See Section 3.11, Open Lead thermocouple simulator, Open Detection Enable/Disable to Lead Detection is enabled. disable 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
. See Section 3.12, Clear Function for instructions. Instrument parameters will be retained. Refer to Section 0, Setup Menu to set instrument parameters as desired. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
Once you have verified that the cause of the malfunction cannot be solved in the field and the need for repair and calibration service arises, contact TEGAM customer service to obtain an RMA (Returned Material Authorization) number. You can contact TEGAM customer service via the Advanced Energy TEGAM website, www.aei.com...
When is the problem most frequent? Has anything changed with the application since the last time the instrument was used, etc.? 4-10 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
TEGAM, Inc. warrants the calibration of this product for a period of one (1) year from date of shipment. During this period, TEGAM, Inc. will recalibrate any product which does not conform to the published accuracy specifications.
UUT. The opposite end shall be terminated with copper connections appropriate for the DMM. Straightened Required to access the calibration enable switch. Any rigid wire, approximately 0.8 Paper Clip mm in diameter, may be used. 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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Published temperature uncertainty values can only be achieved if the temperature of UUT is known within 40 mK. Customers performing CJC adjustments in their facility will need to calculate their own CJC uncertainty. Datasheet P/N 94X-DS Revision 1.0 B-ii 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
1600 to 1700 1700 to 1800 1800 to 1900 1900 to 2000 2000 to 2100 2100 to 2200 2200 to 2300 *Or Lower Limit of Thermocouple Type 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
All uncertainty specifications for all charts are K = 2 unless otherwise noted. 94x Uncertainty at Key Temperatures Source/Read Voltage (mV) 23 C 18 C 28 C 18-28C Spec -20 C 55 C 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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Appendices The following graphs show total uncertainty in degrees C (k=2), with operating conditions between 18-28 °C unless otherwise noted. D-ii 10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ● tegamsales@aei.com...
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