UPT-20

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WIKA · Pressure measurement · Family UPT

Process transmitter

Name: Process transmitter
Brand: WIKA
SKU: UPT

With pressure port or flush diaphragm

Range

-1…4000 bar

Output

4-20 mA · 4-20 mA with HART

Accuracy

0.15 % of span

Protection

IP65

CEEACRoHSREACHNACEATEXIECExFMCSA

Price

On request

Depends on configuration

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Special features

Multi-functional display
Simple menu navigation
Conductive plastic case or stainless steel case (optionally with electropolished surface)
Large LC display, rotatable
Approvals for hazardous areas

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G 1/2 B1/2 NPTM20 x 1.5G 3/8 BG 1/4 B1/2 NPT female1/4 NPT

Your configuration

Process connection typeStandard connection with pressure port
Electrical approvalWithout
Ignition protection typeWithout
ZoneWithout
Case designplastic version, IP66/IP67
Digital Displaywith integrated 4 1/2 digit LCD-display
Output signal4 ... 20 mA, 2-wire
Electrical connectionM20x1,5 / cable gland PA black (ø6-12mm)
Unitbar
Pressure typegauge
Measuring range0 ... 0.4 bar gauge
Process connection—
Sealingwithout
Wetted partsstainless steel
Accuracy0.15% of span
Special design featureswithout
Certificates/Approvalswithout
Additional ordering informationWithout

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Your configuration

Process connection typeStandard connection with pressure port
Electrical approvalWithout
Ignition protection typeWithout
ZoneWithout
Case designplastic version, IP66/IP67
Digital Displaywith integrated 4 1/2 digit LCD-display
Output signal4 ... 20 mA, 2-wire
Electrical connectionM20x1,5 / cable gland PA black (ø6-12mm)
Unitbar
Pressure typegauge
Measuring range0 ... 0.4 bar gauge
Process connection—
Sealingwithout
Wetted partsstainless steel
Accuracy0.15% of span
Special design featureswithout
Certificates/Approvalswithout
Additional ordering informationWithout

Send request

Identification

Model	UPT-20
Product family	UPT
Subcategory	Process transmitter

Measuring range

Pressure ranges

0…1.6 bar · 0…6 bar · 0…16 bar · 0…40 bar · 0…0.4 bar · 0…100 bar · 0…250 bar · 0…600 bar · 0…1000 bar · 0…1600 bar · 0…2500 bar · 0…4000 bar · 0…10 psi · 0…15 psi · 0…30 psi · 0…100 psi · 0…300 psi · 0…500 psi · 0…1500 psi · 0…5000 psi · 0…10000 psi · 0…15000 psi · 0…30000 psi · 0…50000 psi · 0…60000 psi · -1…0 bar · -0.2…0.2 bar · -1…0.6 bar · -1…5 bar · -1…15 bar · -1…40 bar · -14.5…0 psi · -14.5…15 psi · -14.5…100 psi · -14.5…300 psi · -14.5…600 psi

Accuracy

Accuracy class	0.15 % of span
Accuracy standard	IEC 61298-2

Process conditions

Process connection	G 1/2 BG 1 BG 1 1/2 B1/2 NPT1 NPT1 1/2 NPT
Process temperature	−40…+150 °C

Electrical characteristics

Output signal	4-20 mA · 4-20 mA with HART
Power supply	10...30 V DC
Electrical connection	M12 4-pin, cable gland, terminal block

Materials

Case material	Conductive plastic, Stainless steel 316L
Wetted parts material	Stainless steel 316L, Elgiloy
Sealing material	FKM, EPDM, FPM, Metal

Operating environment

Ambient temperature	−40…+85 °C
IP rating	IP65
Weight	1.2 kg

Certifications and approvals

Certifications	CEEACRoHSREACHNACE
Explosion protection	ATEXIECExFMCSA

Additional details

Datasheet languages

EN, DE

Tables from datasheet

Gauge pressure

bar	0 ... 0.4	0 ... 1.6	0 ... 6	0 ... 16	0 ... 40	0 ... 100
	0 ... 250	0 ... 600	0 ... 1,000	0 ... 1,600	0 ... 2,500	0 ... 4,000
psi	0 ... 10	0 ... 15	0 ... 30	0 ... 100	0 ... 300	0 ... 500
	0 ... 1,500	0 .... 5,000	0 ... 10,000	0 ... 15,000	0 ... 30,000	0 ... 50,000
	0 ... 60,000
Absolute pressure
bar	0 ... 1.6	0 ... 6	0 ... 16	0 ... 40
psi	0 ... 30	0 ... 100	0 ... 300	0 ... 500
Vacuum and +/- measuring ranges
bar	-1 ... 0	-0.2 ... +0.2	-1 ... +0.6	-1 ...+5	-1 ...+15	-1 ...+40
psi	-14.5 ... 0	-14.5 ...+15	-14.5 ...+100	-14.5 ...+300	-14.5 ...+600

Vacuum/overload safety

Vacuum safety	Yes (not for oxygen applications)
Overload safety (standard version, version with cooling element)
Measuring range ≤ 40 bar [500 psi]	3 times
Measuring range 40 ... 1,000 bar [500 .... 15,000 psi]	2 times
Measuring range 1,600 bar [30,000 psi]	1.5 times
Measuring range 2,500 bar [50,000 psi]	1.4 times
Measuring range 4,000 bar [60,000 psi]	1.25 times

Output signals

Signal types	■ 4 ...20mA ■ 4 ... 20 mAwith HART ® signal (option)
Load in Ω	■ ≤ U + - 12V / 0.023 A (non-Ex) ■ ≤ U + - 14V / 0.023 A (Ex)
	U + = Applied supply voltage (→ see 'Supply voltage')
Dampening	0 ... 99.9 s, adjustable
	After the set dampening time the instrument outputs 63 %of the applied pressure as output signal.
Settling time t 90
Without HART ®	60 ms
With HART ®	80 ms
Refresh rate
Without HART ®	20 ms
With HART ®	50 ms

Accuracy specifications

Accuracy at reference conditions 1)	■ 0.15 %of span ■ 0.1 %of span (option 1) ■ 0.2 %of span (option 2) ■ 0.5 %of span (> 1,000 bar [15,000 psi]) (option 3)
Adjustability
Zero point	-20 ...+95 %(downwards, the adjustability is always limited by the minimum pressure of 0 bar abs. [0 psia])
Span	Measuring range ≤ 1,000 bar [15,000 psi]	-120 ...+120 %with a difference between zero point and span of max. 120 %of the nominal measuring range
Measuring range > 1,000 bar [15,000 psi]	Max. (0 bar abs. [0 psia]) ...+105 %(down- wards, the adjustability is always limited by the minimum pressure of 0 bar abs. [0 psia])
Turndown ratio	Unlimited
Measuring range ≤ 1,000 bar [15,000 psi] Measuring range > 1,000 bar [15,000 psi]	Maximum recommended turndown 20:1 Maximum recommended turndown 2:1
Mounting correction	-20 ...+20%
Non-repeatability
Measuring ranges ≤ 1,000 bar [15,000 psi]	≤ 0.1 %of span
Measuring ranges > 1,000 bar [15,000 psi]	≤ 0.5 %of span
Behaviour with turndown 2)
Measuring ranges from 0 ...1.6 bar to 0 ... 1,000 bar [0 ...25 psi to 0 ... 15,000 psi]	TD ≤ 5:1 TD > 5:1 ...≤ 100:1	No influence on the accuracy
Measuring range < 1.6 bar [30 psi]	TD = 1:1 TD > 1:1 ...≤ 100:1	No influence on the accuracy	4) / 5
Measuring range >1,000 bar [15,000 psi]	≤ 0.5 xTD
Long-term stability
Measuring range < 1 bar [14.5 psi]	0.35 %/year
Measuring range ≥ 1 bar [14.5 psi]	0.15 %/year
Measuring range ≥ 1.6 bar [30 psi]	0.1 %/year
Measuring range ≥ 40 bar [600 psi]	0.1 %/year
range > 1,000 bar [15,000 psi]	≤ 0.5 %/year	Measuring
Thermal change, zero point / span (reference temperature 20 °C [68 °F])
In the temperature-compensated range 10 ... 70 °C [50 ... 158 °F]	No additional temperature error (only applies to measuring range up to 1,000 bar [15,000 psi])
Outside compensated range	Typical < 0.1 %/10 K (for >1,000 bar [15,000 psi]: 0.2 %/10 K)
Thermal change of the current output (reference temperature 20 °C [68 °F])
< 18 °C and > 28 °C [< 64 °F and > 82 °F]	0.1 %/10 K (max. 0.15 %/10 K)

View all (20)

Reference conditions (per IEC 61298-1)

Temperature	23 °C ±2 °C [73 °F ±7 °F]
Supply voltage	DC 23 ...25V
Air pressure	860 ... 1,060 mbar [86 ... 106 kPa, 12.5 ... 15.4 psi]
Air humidity	45 ... 75 %r.h.
Characteristic curve determination	Terminal method per IEC 61298-2
Curve characteristics	Linear
Reference mounting position	Vertical, diaphragm points downward

Voltage supply

Voltage supply (non-Ex)
Supply voltage U +	DC 12 ...36V
Voltage supply (Ex)
Supply voltage U +	DC 14 ...30V
Maximum voltage U i	DC 30V
Maximum current I i	100mA
Maximum power P i (gas)	1,000mW
Maximum power P i (dust)	750/650/550 mW(depending on the max. ambient temperature)
Effective internal capacitance	11 nF
Effective internal inductance	100 μH

Per standard	Thread size	Possible measuring ranges
EN 837	G⅜B	≤ 0 ... 1,000 bar [0 ... 15,000 psi]
	G½B	≤ 0 ... 1,000 bar [0 ... 15,000 psi]
	M20 x 1.5	≤ 0 ... 1,000 bar [0 ... 15,000 psi]
ANSI / ASME B1.20.1	½NPT	≤ 0 ... 1,000 bar [0 ... 15,000 psi]
	½NPT, female	≤ 0 ... 1,000 bar [0 ... 15,000 psi]
	¼NPT	≤ 0 ... 1,000 bar [0 ... 15,000 psi]
-	M16 x 1.5 mmfemale with sealing cone	≥ 0 ... 100 bar [0 ... 1,500 psi]
	M20 x 1.5 mmfemale with sealing cone	≥ 0 ... 1,600 bar [0 ... 23,200 psi]
	9/16-18 UNF female F 250-C	≥ 0 ... 100 bar [0 ... 1,500 psi]
	1 1/8 -12 UNF female F 562-C	≥ 0 ... 100 bar [0 ... 1,500 psi]

Per standard	Thread size	Possible measuring ranges
-	G½B	0 ...6 to 0 ...600 bar [0 ...100 to 0 ... 5,000 psi]
G1B	≤ 0 ... 1.6 bar [0 ... 30 psi]
G1½B	≤ 0 ... 1.6 bar [0 ... 30 psi]
G1hygienic 1) 2)	≤ 0 ... 16 bar [0 ... 100 psi]
G1hygienic with cooling element 2)	≤ 0 ... 16 bar [0 ... 100 psi]
M44 x 1.25 with union nut	≤ 0 ... 40 bar [0 ... 500 psi]
TRI-CLAMP ®	DN 1½ with cooling element for 150 °C [302 °F]	≤ 0 ... 40 bar [0 ... 500 psi] 4)
DN 2 with cooling element for 150 °C [302 °F]	≤ 0 ... 40 bar [0 ... 500 psi] 4)
Clamp DIN 32676	DN 40 with cooling element for 150 °C [302 °F]	≤ 0 ... 40 bar [0 ... 500 psi] 4)
DN 50 with cooling element for 150 °C [302 °F]	≤ 0 ... 40 bar [0 ... 500 psi] 4)
Grooved union nut DIN 11851 with conical coupling 3)	DN 25 with cooling element for 150 °C [302 °F]	≤ 0 ... 40 bar [0 ... 500 psi]
DN 50 with cooling element for 150 °C [302 °F]	≤ 0 ... 25 bar [0 ... 500 psi]
NEUMO BioConnect ®	DN 40 formV with cooling element for 150 °C [302 °F]	≤ 0 ... 16 bar [0 ... 500 psi]
VARINLINE ®	Form N with cooling element for 150 °C [302 °F] DN 40 ... 50	≤ 0 ... 16 bar [0 ... 500 psi]
Form F with cooling element for 150 °C [302 °F] DN 25	≤ 0 ... 16 bar [0 ... 500 psi]

Model	Medium
Model UPT-20	Measuring range ≤ 40 bar [500 psi]: Synthetic oil (halocarbon oil for oxygen applications) Measuring range > 40 bar [500 psi]: Dry measuring cell
Model UPT-21	Synthetic oil

Model	Measuring ranges	Process connections	Materials
Materials (wetted)
UPT-20	≤ 40 bar [500 psi]	All	Standard	Process connection: Stainless steel 1.4404 / 316L Sensor: Stainless steel 1.4404 / 316L
> 40 bar [500 psi]	All	Standard	Process connection: Stainless steel 1.4404 / 316L Sensor: Elgiloy ® 2.4711
> 1,000 bar [15,000 psi]	All	Standard	Process connection: Stainless steel 1.4534 / 904L Sensor: Stainless steel 1.4534 / 904L
UPT-21	All	All	Standard	Process connection: Stainless steel 1.4435 / 316L Diaphragm: Stainless steel 1.4435 / 316L
■ G½ ■ G1	Option 1	Process connection: Hastelloy ® HC276 / 2.4819 Diaphragm: Hastelloy HC276 / 2.4819
■ G½ ■ G1	Option 2	Process connection: Gold-plated Diaphragm: Gold-plated 1)

Case

Option 1	Plastic (PBT) with conductive surface per EN 60079-0:2012 Colour: Night blue RAL5022
Option 2	Stainless steel case 1.4308 (CF-8), precision cast (suitable for chemical and petrochemical industries)
Option 3	Stainless steel case 1.4308 (CF-8) with electropolished surface (suitable for pharmaceutical, food and hygienic industries)
Option 4 1)	Stainless steel case coated with epoxy resin
Option 5 1)	Stainless steel case, electropolished and coated with epoxy resin

Electrical connection

Spring-loaded terminals	Wire cross-section: Wire or strand: 0.2 ... 2.5 mm² (AWG 24 ... 14) Strand with end splice: 0.2 ... 1.5 mm² (AWG 24 ... 16)
Cable glands M20 x 1.5
Plastic, PA	Sealing	NBR
Cable diameter	6 ... 12 mm[0.24 ... 0.47 in]
Ingress protection per IEC 60529	IP66/67
Brass, nickel-plated	Sealing	NBR
Cable diameter	5 ... 9 mm[0.2 ... 0.35 in]
Ingress protection per IEC 60529	IP66/67
Stainless steel cable gland	Sealing	NBR
Cable diameter	7 ... 12 mm[0.28 ... 0.47 in]
Ingress protection per IEC 60529	IP66/67
Stainless steel cable gland in hygienic design	Sealing	FDA-compliant
Cable diameter	6 ... 12 mm[0.24 ... 0.47 in]
Ingress protection per IEC 60529	IP66/67
Angular connector DIN 175301-803A with mating connector	Wire cross-section	Max.1.5mm 2 (AWG 16)
Ingress protection per IEC 60529	IP65 1)
Circular connector M12 x 1 (4-pin) without mating connector	Ingress protection per IEC 60529	IP65 1)
Electrical safety	Reverse polarity protection

Display and operating unit, model DI-PT-U (option)

Display type	LC display 1)
Refresh rate	200 ms
Main display	4 ½-digit
Segment display	Character size 14 mm[0.55 in]
Additional display	Selectable via menu, three-line scale range
Bar graph display	20 segments, radial, pressure gauge simulation
Adjustable units
Pressure units	■ bar ■ psi ■ mbar ■ MPa ■ kPa ■ hPa ■ Pa ■ mH₂O ■ ftH₂O ■ inH₂O ■ mHg ■ mmHg ■ inHg ■ kg/cm 2 ■ g/cm 2 ■ Torr
Level units	■ m ■ cm ■ mm ■ ft ■ in
Volume units	■ l ■ m 3 ■ gal ■ inch 3 ■ ft 3 ■ %
Free unit	A free character string (6 characters) can be defined as a unit
Operating state	Display via symbols
Operating temperature	By using the display and operating unit, the operating temperature is limited to -20 ...+60 °C [-4 ...+140 °F]
Storage temperature	-40 ...+80 °C [-40 ...+176 °F]
Operation	4 buttons for the recall and operation of the settings
Colours
Background	Light grey
Digits	Black
Upgradable	Yes (→ see 'Accessories')
Display size	Separated into main and segment displays
Ingress protection per IEC 60529	■ IP20 (loose) ■ IP40 (built-in without cover)
Material	Case from ABS, window from polyester film

Operating conditions

Range of applications	Suitable for internal and external operation, exposure to direct sunlight is permitted
Permissible air humidity	≤ 93 %r.h.
Permissible temperature ranges
Ambient	■ -20 ...+60 °C [-4 ...+140 °F] (with digital display) ■ -40 ...+80 °C [-40 ...+176 °F] 1) (without digital display)

Operating conditions

Medium	Oxygen application	-20 ...+60 °C [-4 ...+140 °F]
Model UPT-20	■ -40 ...+85 °C [-40 ...+185 °F] ■ -40 ...+105 °C [-40 ...+221 °F] at max. 40 °C [104 °F] ambient temperature ■ -40 ...+120 °C [-40 ...+248 °F] at max. 30 °C [86 °F] ambient temperature
UPT-21 without cool- ing element	■ 85 °C [185 °F] at max. 80 °C [176 °F] ambient temperature ■ 105 °C [221 °F] at max. 40 °C [104 °F] ambient temperature ■ 120 °C [248 °F] at max. 30 °C [86 °F] ambient temperature
UPT-21 with cooling element	■ 85 °C [185 °F] at max. 80 °C [176 °F] ambient temperature ■ 120 °C [248 °F] at max. 50 °C [122 °F] ambient temperature ■ 150 °C [302 °F] at max. 40 °C [104 °F] ambient temperature
Storage	-40 ...+80 °C [-40 ...+176 °F]
Restrictions to medium temperature due to sealing material (only for model UPT-21)
NBR	-20 ...+105 °C [-4 ...+221 °F]
FKM	-20 ...+105 °C [-4 ...+221 °F]
FKM	-20 ...+150 °C [-4 ...+302 °F] 2)
EPDM	-40 ...+105 °C [-40 ...+221 °F]
EPDM	-40 ...+150 °C [-40 ...+302 °F] 1)
Vibration resistance per EN 60068-2-6	4 g (5 ... 100 Hz) per GL characteristic curve 2
Shock resistance
Measuring range ≤ 1,000 bar [15,000 psi]	150 g (3.2 ms) per IEC 60068-2-27
Measuring range > 1,000 bar [15,000 psi]	20 g at 4.6 ms
Ingress protection per IEC 60529	■ IP66/67 ■ IP65 (version with circular connector, angular connector or overvoltage protection)
The ingress protection only applies with closed case head and closed cable glands.
Explosion protection	→See approvals

Temperature class / surface temperature	Ambient and medium temperature
T5, T6	-40 ≤ Ta ≤ +60 °C [-40 ≤ Ta ≤ +140 °F]
T4	-40 ≤ Ta ≤ +80 °C [-40 ≤ Ta ≤ +176 °F]
T135 °C [T257 °F]
Pi = 750maW	-40 ≤ Ta ≤ +40 °C [-40 ≤ Ta ≤ +104 °F]
Pi = 650mW	-40 ≤ Ta ≤ +70 °C [-40 ≤ Ta ≤ +158 °F]
Pi = 550mW	-40 ≤ Ta ≤ +80 °C [-40 ≤ Ta ≤ +176 °F]

Temperature class	Max.medium temperature	Ambient temperature
T4	120 °C [248 °F]	-40 ≤ Ta ≤ +50 °C [-40 ≤ Ta ≤ +122 °F]
T3	150 °C [302 °F]	-40 ≤ Ta ≤ +40 °C [-40 ≤ Ta ≤ +104 °F]

Logo	Description	Country
	EU declaration of conformity EMCdirective, interference emission (group 1, class B) and immunity per EN 61326-1:2013 (industrial application), EN 61326-2-3:2013 1) Pressure equipment directive	European Union
	ATEX directive - Ex i Zone 1 mounting to zone 0 gas [II 1/2G Ex ia IIC T4/T5/T6 Ga/Gb] Zone 1 gas [II 2G Ex ia IIC T4/T5/T6 Gb] Zone 2 gas [II 3G Ex ic IIC T4/T5/T6 Gc] Zone 21 mounting to zone 20 dust [II 1/2D Ex ia IIIC T135 °C Da/Db] Zone 21 dust [II 2D Ex ia IIIC T135 °C Db]
	IECEx Hazardous areas - Ex i Zone 1 mounting to zone 0 gas [Ex ia IIC T6 ...T3 Ga/Gb] Zone 1 gas [Ex ia IIC T6 ...T3 Gb] Zone 2 gas [Ex ic IIC T6 ...T3 Gc] Zone 21 mounting to zone 20 dust [Ex ia IIIC T135 °C Da/Db]	International
	EAC ■ Pressure equipment directive ■ Electromagnetic compatibility ■ Hazardous areas - Ex i Zone 1 mounting to zone 0 gas [Ga/Gb Ex ia IIC T6 ...T3 X] Zone 1 gas [1Ex ia IIC T6 ...T3 Gb X]	Eurasian Economic Community
	GOST Metrology, measurement technology	Russia
	KazInMetr Metrology, measurement technology	Kazakhstan
	MTSCHS Permission for commissioning	Kazakhstan
	UkrSEPRO Metrology, measurement technology	Ukraine
	Ex Ukraine ■ Mining ■ Hazardous areas - Ex i Zone 1 mounting to zone 0 gas [II 1/2G EEx ia IIC T4/T5/T6 Ga/Gb] Zone 21 mounting to zone 20 dust [II 1/2D IP6X T130 °C/T95 °C/T80 °C]	Ukraine
	Uzstandard Metrology, measurement technology	Uzbekistan
	INMETRO ■ Metrology, measurement technology ■ Hazardous areas	Brazil

Logo	Description	Country
	KCs (KOSHA) Hazardous areas - Ex i Zone 1 to zone 0 [Ex ia IIC T3 ...T6] Zone 1 [Ex ia IIC T3 ...T6] Zone 21 to zone 20 [Ex iD A21 135 °C] Zone 21 [Ex iD A21 135 °C] - Ex n Zone 2 [Ex nL IIC T3 ...T6]	South Korea
®	3-A Food	International
FEBRUARY 2021 TYPE EL CLASS I	EHEDG Hygienic Equipment Design	European Union

G	L1
G⅜B	16 [0.63]
G½B	20 [0.79]
M20 x 1.5	20 [0.79]

Process transmitter

Special features

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7 standard articles of family UPT