Advanced Energy 1314 Manuel utilisateur

250W Model 1314 Precision Calorimeter

User Manual

February 2023

1314-900 Revision BA

250W Precision Calorimeter

This manual and the information contained herein are the proprietary property of Advanced

Energy Industries, Inc.

No part of this manual may be reproduced or copied without the express written permission of

Advanced Energy Industries, Inc. Any unauthorized use of this manual or its contents is strictly

Disclaimer and Limitation of Liability

The information contained in this manual is subject to change by Advanced Energy Industries,

Inc. without prior notice. Advanced Energy Industries, Inc. makes no warranty of any kind

whatsoever, either expressed or implied, with respect to the information contained herein.

Advanced Energy Industries, Inc. shall not be liable in damages, of whatever kind, as a result of

the reliance on or use of the information contained herein.

Product Usage Statement

WARNING

READ THIS ENTIRE MANUAL AND ALL OTHER PUBLICATIONS PERTAINING TO

THE WORK TO BE PERFORMED BEFORE YOU INSTALL, OPERATE, OR MAINTAIN

THIS EQUIPMENT. PRACTICE ALL PLANT AND PRODUCT SAFETY

INSTRUCTIONS AND PRECAUTIONS. FAILURE TO FOLLOW INSTRUCTIONS CAN

CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE. IF THE EQUIPMENT IS

USED IN A MANNER NOT SPECIFIED BY THE MANUFACTURER, THE

PROTECTIONPROVIDEDBY THEEQUIPMENTMIGHTBEIMPAIRED. ALL

PERSONNELWHO WORK WITH OR WHO ARE EXPOSED TO THIS EQUIPMENT

MUST TAKE PRECAUTIONS TO PROTECT THEMSELVES AGAINST SERIOUS OR

POSSIBLY FATAL BODILY INJURY.

Advanced Energy Industries, Inc. (AE) provides information on its products and

associated hazards, but it assumes no responsibility for the after-sale operation of the

equipment or the safety practices of the owner or user.

NEVER DEFEAT INTERLOCKS OR GROUNDS.

Trademarks

All Advanced Energy trademarks are the property of Advanced Energy Industries, Inc. For the

list of Advanced Energy trademarks, visit: www.advancedenergy.com/legal/. Any unauthorized

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250W Precision Calorimeter

iii

use of Advanced Energy trademarks is prohibited.

All other trademarks are the property of their respective owners.

Customer Feedback

Advanced Energy’s technical writing staff has carefully developed this manual using research-

based document design principles. However, improvement is ongoing, and the writing staff

welcomes and appreciates customer feedback. Please send any comments on the content,

organization, or format of this user manual to: tech[email protected]

To order a manual, please contact Technical Support: [email protected]

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250W Precision Calorimeter
 iv 
Table of Contents 
Safety Information and Precautions..............................................................................1 
Terms in this Manual.................................................................................................................1 
Terms on Equipment..................................................................................................................2 
Symbols as Marked on Equipment............................................................................................2 
Product Overview and Specifications ...........................................................................3 
Specifications.............................................................................................................................3 
Product Overview ......................................................................................................................5 
Installation and Set-Up ................................................................................................8 
Unpack the Shipment and Inspect the Contents.........................................................................8 
Control the Installation Environment.........................................................................................8 
Check the Location Where the Unit Will Be Installed ..............................................................9 
Fill the Coolant Reservoir..........................................................................................................9 
Establish Communication with the 1314.................................................................................10 
Connect the Chiller and Prime the Coolant Pump...................................................................12 
Adjusting Coolant Flow...........................................................................................................15 
Adjusting the Set Point Temperature.......................................................................................16 
Features and Settings ...............................................................................................................18 
Over Temperature Safety.................................................................................................... 18 
Adaptive Fan Control............................................................................................................ 18 
Chiller PID Settings............................................................................................................... 18 
Manual Operation......................................................................................................19 
Warm Up..................................................................................................................................19 
Calibration ...............................................................................................................................20 
Correction of Error Terms .......................................................................................................20 
Manual AC Calibration Procedure...........................................................................................22 
Manual RF Calibration Procedure...........................................................................................23 
Maintenance .............................................................................................................24 
Periodic Inspection and Servicing ...........................................................................................24 
Troubleshooting Guide ..............................................................................................25 
Unresponsive to power ............................................................................................................25 

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 v 
Appendix A ...............................................................................................................27 
Appendix B –Service Assistance ...............................................................................28 
Returns for Repairs..................................................................................................................28 
Warranty ..................................................................................................................................28 
Warranty Limitations............................................................................................................ 29 
Statement of Calibration..........................................................................................................29 
Storage and Shipment..............................................................................................................30 
Drain the calorimeter system of all coolant ..................................................................... 30 
Expedite Repair & Calibration Form.......................................................................................31 
 

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Safety Information and Precautions

The following safety information applies to both operation and service personnel. Safety

precautions and warnings may be found throughout this instruction manual and the equipment.

These warnings may be in the form of a symbol or a written statement.

CAUTION:

DO NOT USE IN EXPLOSIVE ENVIRONMENTS!

The 1314 is not designed for operation in explosive environments.

WARNING:

DO NOT OPERATE WITHOUT COVERS!

This device should be operated with all panels and covers in place. Operation with

missing panels or covers could result in personal injury.

Terms in this Manual

CAUTION:

CAUTION indicates a potentially hazardous situation that, if not avoided, could result in

minor or moderate injury, and/or property damage. CAUTION is also used for property-

damage-only accidents.

WARNING:

WARNING indicates a potentially hazardous situation that, if not avoided, could result

in death or serious injury, and/or property damage.

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DANGER:

DANGER indicates an imminently hazardous situation that, if not avoided, will result in

death or serious injury. DANGER is limited to the most extreme situations.

NOTE statements identify best practices or tips for efficiency.

Terms on Equipment

CAUTION indicates a personal injury hazard not immediately accessible as one reads the

marking, or a hazard to property including the equipment itself.

DANGER indicates a personal injury hazard immediately accessible as one reads the marking.

Symbols as Marked on Equipment

CAUTION –RISK OF DANGER

DANGER –Risk of Electric shock

Earth ground terminal

Frame or Chassis terminal

Alternating current

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Product Overview and Specifications

Specifications

Measurement Ranges

Specification

Frequency (MHz)

50 Hz to 3000 MHz

Power (W)

10 W to 250 W

Connector Type

Type N (female)

Basic Accuracy

0.3 W + 0.3% Rdg1, 2, 3

Power Requirements

Calorimeter

100 –240 VAC, 1.5 A

Chiller

100 –240 VAC, 9.4 A

AC Power Source (optional)

104 –127 VAC, 10A4

AC Power Standard (optional)

100 –240 VAC, 10A4

Physical Dimensions (Approximate)

Calorimeter

4” height, 19” width, 23” depth (not in optional rack)

Chiller

7” height, 19” width, 28” depth (not in optional rack)

AC Power Source (optional)

6” height, 17” width, 23” depth4

AC Power Standard (optional)

5” height, 9” width, 16” depth4

Coolant Flow Rate

1 gallon (3.75 Liters) per minute nominal

Drift

< 50% of uncertainty over 48 hours

Input Impedance

50 Ω nominal

Communication

Ethernet

Cooling Fluid

25% DOW-Therm SR-1, 75% distilled water

Operating Temperature

68 to 86 °F (20 to 30 °C)

Specifications (continued…)

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Storage Temperature

14 to +122 °F (-10 to +50 °C)5

Warranty

1-year Parts & Workmanship for AE-TEGAM-manufactured

components

S11 Linear Magnitude (Typical)

Typical < 0.025 at f< 100 MHz, and <0.1 at f>= 100 MHz

Figure 1: Typical S11 Linear Mag Performance

Optional System Components (contact your AE-TEGAM representative for more information).

AC Source

Required for routine calibration of the Calorimeter.

AC Power Meter

Required for routine calibration of the calorimeter.

Rack (Single/Dual Bay)

Options available based on specific configurations.

P/C

For control of calorimeter and ancillary equipment.

Other

Contact TEGAM for further details and options.

Average of ten (10) consecutive points taken 25 seconds apart, where the standard deviation of

those points is < 0.05 W.

2The 1314 is intended for use as a primary standard. Measurement repeatability and uncertainties

will vary among laboratories depending upon various factors, including ambient environment,

user experience, and elapsed time since the most recent system calibration. TEGAM will provide

guidance where possible, but users are ultimately responsible for establishing their own

measurement uncertainties consistent with the laboratory’s capabilities.

3 Optional items required to achieve specifications listed. Must use recommended options.

4 Example based on optional equipment (Keysight 6811B source and Yokogawa WT310E AC

standard) . Other options are available.

5 Assumes proper preparations are followed prior to storage, including draining the coolant

system.

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Product Overview

Figure 2: Model 1314 250W Precision Calorimeter (in optional rack w/PC)

The model 1314 is a precision calorimeter that can provide highly accurate RF power

measurements up to 250 W in the 50 Hz to 3 GHz frequency range, and is traceable to the

International System of Units (SI) through the National Institute of Standards and Technology

(NIST) or other recognized National Metrology Institutes, by comparison to equipment and

standards maintained in the laboratories of AE-TEGAM Inc. The calorimeter design is based on

first principles of fundamental physics in the following way. If we know a calorie is a defined as

the amount of energy in the form of heat to raise the temperature of a certain mass of liquid by a

given amount, then conversely, if we know the temperature rise and the mass of the liquid, we

can determine the amount of heat and therefore, the amount of energy applied to the liquid. The

calorimeter utilizes these fundamental relationships to precisely measure input power in the form

of RF energy.

The physics definition of Work is also related to heat by being defined as energy in transition and

work per unit time is power. We can then expand the concept of a calorie to include the rate at

which this heat energy is delivered to the mass of the substance to directly derive power, which

can then be equated to the more useful watt terminology describing our applied RF energy. One

joule (or 1 BTU) of heat equals .239 calories (or 778 ft-lbs) of work, and 1 joule/sec (or 1

BTU/hr) has its electrical equivalent to 1 watt (or .293 W).

Therefore, the fundamental calorimetric relationship between electrical power in watts and the

thermal quantities measured inside the calorimeter are temperature rise ΔT (°C), rate of mass

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