HEL-700 Series Datasheet by Honeywell Sensing and Productivity Solutions

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Datasheet
Thin Film Platinum RTDs
HEL-700 Series
2sensing.honeywell.com
Thin Film Platinum RTDs
The HEL-700 Series Thin Film Platinum RTDs (Resistance Temperature Detectors) are designed to monitor or control critical
temperatures in industrial applications. They provide a linear change in resistance versus temperature, combining high
linearity, stability, accuracy, and wide temperature range in a small, fast-response package.
The HEL-700 Series is designed to measure temperatures from -75 °C to 540 °C [-100 °F to 1000 °F] with high accuracy.
These fully-assembled elements are ready-to-use in probe assemblies, without the need for fragile splices to extension
leads.
These products are manufactured using a thin layer of platinum deposited on an alumina substrate and are laser trimmed
to a resistance interchangeability of a standard ±0.2% (±0.5 °C accuracy) or optional ±0.1% (±0.3 °C accuracy). The sensor
chip is then glassed, wired and potted or ceramic fired to result in a cylindrical alumina package with either TFE Teflon®- or
fiberglass-insulated lead wires.
Wide temperature range • interCHangeaBLe • aCCurate
Key Features
• Widetemperaturerange
• Interchangeable
• Accurate
• Linearresistancevstemperature
• Fastresponse
• Lasertrimmed
• Ceramiccasematerial
• TFETeflon® or fiberglass leadwires
• Multiplesmallsizes
• Ready-to-use,fullyassembledelements
PotentialApplications
Temperature sensing for monitoring, compensation and regulation in:
INDUSTRIAL
• HVACequipment
• Instrumentandprobeassemblies
• Processcontrol
• Motor windings and bearings
• Battery packs
• Environmental chambers
• Ovensandkilns
• Drill holes in large objects
MEDICAL
• Autoclaves
AEROSPACE/DEFENSE
• Aircraft
• Spacevehicles
3
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Thin Film Platinum RTDs, HEL-700 Series
Table 1. Specifications
Characteristic Condition Parameter
Alpha:
R0 = 1000 Ω
R0 = 100 Ω
0 °C 0.00375 Ω/Ω/°C
0.00385 Ω/Ω/°C
Temperaturerange:
TFE Teflon
fiberglass
-70 °C to 260 °C [-94 °F to 500 °F]
-75 °C to 540 °C [-100 °F to 1000 °F]
Temperatureaccuracy:
R0 ±0.2% trim (standard)
R0 ±0.1% trim (optional)
±0.5°C or 0.8% of temperature, whichever is greater
±0.3°C or 0.6% of temperature, whichever is greater
Base resistance and interchangeability, R0 ±R0:
R0 ±0.2% trim (standard)
R0 ±0.1% trim (optional)
0 °C 1000 Ω ±2 Ω
1000 Ω ±1 Ω
Linearity:
-40 °C to 125 °C
-75 °C to 540 °C
±0.1% of full scale
±2.0% of full scale
Time constant water at 3 ft/s
still water
<0.5sfor0.086inO.D.
<1.0sfor0.086inO.D.
Operatingcurrent 2mAmax.minimalselfheatingerrorsof1°C;
1mArecommended
Stability occupied environments <0.25°C/year;0.05°C/5years
Self heating <15mW/°Ctyp.for0.086inO.D.
Insulationresistance 50 Vdc at 25 °C >50MΩ
Construction/material:
case
Teflon®-insulated leads
fiberglass-insulated leads
high purity alumina
nickel-coated stranded copper, epoxy potting
nickel-coated stranded copper, ceramic potting
Table 2. Constant Values (β = 0 and C = 0 for T > 0 °C)
Constant 1000  100 Functional Behavior
RT = R0(1+AT+BT2 - 100CT3 + CT4)
Where:
RT = Resistance (Ω) at temperature T (°C)
R0 = Resistance (Ω) at 0 °C
T = Temperature (°C)
A=α + αδ B = -αδ CT<0 = -αβ
100 1002 1004
Alphaα (°C-1) 0.00375 ±0.000029 0.003850 ±0.000010
Delta δ (°C) 1.605 ±0.009 1.4999 ±0.007
Beta β (°C) 0.16 0.10863
A(°C-1)3.81 x 10-3 3.908 x 10-3
B (°C-2)-6.02 x 10-7 -5.775 x 10-7
C (°C-4)-6.0 x 10-12 -4.183 x 10-12
CAUTION
PRODUCT DAMAGE
• EnsureproperESD(ElectrostaticDischarge)precautions
are followed when handling this product.
Failure to comply with these instructions may result in
product damage.
Thin Film Platinum RTDs, HEL-700 Series
4sensing.honeywell.com
Figure 2. Nomenclature and Ordering Guide
Table 3. Accuracy vs Temperature
Temperature
(°C)
Tolerance
Standard Trim
0.2%)
Optional Trim
(± 0.1%)
±∆R1
()
±∆T
(°C)
±∆R1
()
±∆T
(°C)
-100 2.9 0.8 2.4 0.6
02.0 0.5 1.0 0.3
100 2.9 0.8 2.2 0.6
200 5.6 1.6 4.3 1.2
300 8.2 2.4 6.2 1.8
400 11.0 3.2 8.3 2.5
500 12.5 4.0 9.6 3.0
600 15.1 4.8 10.4 3.3
11000 Ω RTD. Divide ∆ by 10 for 100 Ω RTD.
Table 4. NIST Calibration
Temperature
(°C)
Standard Temperature Point
(±∆T (°C))
123
-100 0.5 0.27 0.15
00.03 0.03 0.03
100 0.4 0.11 0.07
200 0.8 0.02 0.08
300 1.2 0.33 6.2
400 1.6 0.5 8.3
500 2.0 0.8 9.6
600 2.6 1.2 10.4
1NIST-traceablecalibrationprovidesresistancereadingsat1,2or3
standard temperature points to yield a resistance versus temperature
curve with 10x better accuracy.
HEL-
Product Series
C1
NIST Calibration Report
705
TFE Teflon
®
, 28 gauge;
1000 Ω: 2-wire, 100 Ω: 2-wire
Leadwire Insulation Material,
Gauge and Number
705-
HEL-700 Series
Thin Film RTDs Product Nomenclature
For example, a HEL-705-U-0-12-C1 part number defines an HEL-700 Series Thin Film RTD with two, 28 gauge
TFE Teflon
®
insulted leadwires, an alpha of
1000 Ω: 0.00375 Ω/Ω/°C, a standard ±0.2% trim resistance, 12 inch leadwires, and a NIST calibration report at 0 °C.
HEL-700 Series
Thin Film
Platinum RTDs
1
0
0-
Resistance
Trim
Standard: ±0.2%
Optional: ±0.1%
T
U
U-
Resistance and
Alpha
1000 Ω: 0.00375 Ω/Ω/°C
12
12-
Leadwire
Length
12 inches
00
C1
none
at 0 °C
C2
at 0 °C and 100 °C
C3
at 0 °C, 100 °C and 260 °C
707
fiberglass, 28 gauge;
1000 Ω: 2-wire, 100 Ω: 2-wire
711
TFE Teflon
®
, 28 gauge;
1000 Ω: 2-wire, 100 Ω: 3-wire
712
fiberglass, 28 gauge;
1000 Ω: 2-wire, 100 Ω: 3-wire
716
TFE Teflon
®
, 24 gauge;
1000 Ω: 2-wire, 100 Ω: 3-wire
717
fiberglass, 24 gauge;
1000 Ω: 2-wire, 100 Ω: 3-wire
100 Ω: 0.00385 Ω/Ω/°C
(DIN Standard)
Figure 1. Resistance vs Temperature
Temperature (°C)
-100 0200 400 600
0
50
100
150
200
250
300
350
0
500
1000
1500
2000
2500
3000
3500
1000 Ω RTD Resistance (Ω)
100 Ω RTD Resistance (Ω)
1
000 Ω, 375 alpha
100 Ω, 385 alpha
100300 500
5
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Thin Film Platinum RTDs, HEL-700 Series
Figure 3. All Available Standard Configurations
Teflon®-Insulated Leadwires Fiberglass-Insulated Leadwires
HEL-705 HEL-707
HEL-711 HEL-712
HEL-716 HEL-717
3
Figure 4. Dimensional Drawings (For reference only: mm [in].)
HEL-705
HEL-707
HEL-711, HEL-712
HEL-716, HEL-717
2,29
[0.086]
305
[12]
4,83
[0.187]
305
[12]
2,29
[0.086]
6,35
[0.25]
2,79
[0.11]
2,79
[0.11]
15,24
[0.60]
15,24
[0.60]
305
[12]
305
[12]
22-wire
22-wire
23-wire
23-wire
22-wire
22-wire
23-wire
23-wire
22-wire
23-wire
22-wire
23-wire
2-wire
only
2-wire
only
2-wire
only
2-wire
only
+V
Thin Film Platinum RTDs, HEL-700 Series
6sensing.honeywell.com
6sensing.honeywell.com
Figure 5. Circuits
Wheatstone Bridge 2-Wire Interface
Linear Output Voltage
Adjustable Point (Comparator) Interface
R
T
L
2
L
1
R
1
R
2
R
3
V
O
+V
s
V
R
=IV
+10V
k9
k1
-V
s
+V
s
R
T
k10
k10
+
-
+V
s
-V
s
V
O
=0.001 R
T
k10
+
-
k1
k10
+
-V
O
R
T
V
s
=5 V
k5
k2
k2
k2
k2
Honeywell
Sales and Service
Honeywell serves its customers through
a worldwide network of sales offices,
representatives and distributors. For
application assistance, current
specifications, pricing or name of the
nearest Authorized Distributor, contact
your local sales office or email us at
info.sc@honeywell.com. Visit us on
the Web at sensing.honeywell.com
Phone and Fax:
Asia Pacific +65 6355-2828
+65 6445-3033 Fax
Europe +44 (0) 1698 481481
+44 (0) 1698 481676 Fax
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+1-305-883-8257 Fax
USA/Canada +1-800-537-6945
+1-815-235-6847
+1-815-235-6545 Fax
Sensing and Control
Honeywell
1985 Douglas Drive North
Golden Valley, MN 55422
honeywell.com
009080-1-EN
June 2014
©2014HoneywellInternationalInc.Allrightsreserved.
ADDITIONAL INFORMATION
The following associated literature is available at
sensing.honeywell.com:
 •TemperatureSensors Line Guide
 •ThermalSensorsRange Guide
WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as being free of
defective materials and faulty workmanship. Honeywell’s standard
product warranty applies unless agreed to otherwise by Honeywell
inwriting;pleaserefertoyourorderacknowledgementorconsult
yourlocalsalesofficeforspecificwarrantydetails.Ifwarranted
goods are returned to Honeywell during the period of coverage,
Honeywell will repair or replace, at its option, without charge
those items it finds defective. The foregoing is buyer’s sole
remedy and is in lieu of all other warranties, expressed or
implied, including those of merchantability and fitness for
a particular purpose. In no event shall Honeywell be liable
for consequential, special, or indirect damages.
Whileweprovideapplicationassistancepersonally,throughour
literature and the Honeywell website, it is up to the customer to
determine the suitability of the product in the application.
Specifications may change without notice. The information we
supply is believed to be accurate and reliable as of this printing.
However, we assume no responsibility for its use.
WARNING
PERSONAL INJURY
DONOTUSEtheseproductsassafetyoremergencystop
devices or in any other application where failure of the product
could result in personal injury.
Failure to comply with these instructions could result in
death or serious injury.
WARNING
MISUSE OF DOCUMENTATION
• Theinformationpresentedinthisproductsheetisfor
reference only. Do not use this document as a product
installation guide.
• Completeinstallation,operation,andmaintenance
information is provided in the instructions supplied with each
product.
Failure to comply with these instructions could result in
death or serious injury.

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