WU_20_WU_25_WU_26

On order

WIKA · Pressure measurement · Family WU-2x

Ultra high purity transducer

Name: Ultra high purity transducer
Brand: WIKA

For applications in hazardous areas, Ex nA ic

Range

0…360 bar

Output

4-20mA · 0-5V

Accuracy

0.15 % RSS

Protection

IP67

CERoHSPressure Equipment DirectiveEMCEMC EN 61326Ex nA ic IIC T4/T5/T6 GcEx ec ic IIC T4/T5/T6 Gc[Ex nA ic IIC T4/T5/T6 Gc][Ex ec ic IIC T4/T5/T6 Gc]Class I, Zone 2, Group IIC (FM)II3G Ex nA ic IIC T4/T5/T6 Gc XII3G Ex ec ic IIC T4/T5/T6 Gc XFM: Class I, Zone 2, Group IIC

Price

On request

Depends on configuration

Request a quote

+38 (067) 285-77-70·info@avigan.com.uaViberTelegram

Special features

High-accuracy pressure measurement 0.15 % RSS
Excellent long-term stability
Signal noise cancellation and shielding
Active temperature compensation
ATEX and IECEx zone 2 approval Class I, div. 2, groups A, B, C and D

Identification

Product family	WU-2x
Subcategory	Transducer

Measuring range

Pressure ranges

0…2 bar · 0…4 bar · 0…7 bar · 0…11 bar · 0…17 bar · 0…25 bar · 0…36 bar · 0…70 bar · 0…100 bar · 0…145 bar · 0…225 bar · 0…360 bar

Accuracy

Accuracy class	0.15 % RSS
Accuracy standard	IEC 61298-2

Process conditions

Process connection	¼" weld stub¼" pressure screw, rotatable¼" T-connector, weld stub¼" union nut, rotatable¼" pressure screw, fixedMSM C 1 1/8"316L per SEMI F20316L VIM/VAR
Process temperature	−20…+100 °C

Electrical characteristics

Output signal	4-20mA · 0-5V · 0-10V
Power supply	10...30 V DC
Electrical connection	Bayonet connector (4-pin), Circular connector M12 x 1 (4-pin), Cable outlet, Sub-D connector (9-pin), Sub-D HD connector (15-pin)

Materials

Case material	304 SS
Wetted parts material	2.4711 / UNS R30003, 316L per SEMI F20, 316L VIM/VAR, 316L, 316L per SEMI F20316L VIM/VAR

Operating environment

Ambient temperature	−20…+85 °C
IP rating	IP67
Weight	0.1 kg

Certifications and approvals

Certifications

CERoHSPressure Equipment DirectiveEMCEMC EN 61326

Explosion protection

Ex nA ic IIC T4/T5/T6 GcEx ec ic IIC T4/T5/T6 Gc[II 3G Ex nA ic IIC T4/T5/T6 Gc X][II 3G Ex ec ic IIC T4/T5/T6 Gc X][Ex nA ic IIC T4/T5/T6 Gc][Ex ec ic IIC T4/T5/T6 Gc]Nonincendive apparatus for use in class I, division 2, groups A,B,C,DNonincendive for use in class I, zone 2, group IIC (classified)Class I, Div. 2, Groups A, B, C, DClass I, Zone 2, Group IIC (FM)II3G Ex nA ic IIC T4/T5/T6 Gc XII3G Ex ec ic IIC T4/T5/T6 Gc XFM: Class I, Div. 2, Groups A, B, C, DFM: Class I, Zone 2, Group IIC

Additional details

Datasheet languages

Tables from datasheet

Accuracy specifications

Non-linearity per BFSL per IEC 61298-2
For measuring ranges > 2 bar	≤ 0.1 %of span
For measuring ranges ≤ 2 bar	≤ 0.15 %of span
Accuracy	→ See 'Max. measuring deviation'
Max. measuring deviation
RSS (root sum squares)	■ ≤ 0.15 %of span ■ ≤ 0.4 %of span with measuring ranges ≤ 2 bar
Per IEC 61298-2	■ ≤ 0.3 %of span ■ ≤ 0.6 %of span with measuring ranges ≤ 2 bar
Zero point setting
Current output	-3.5 ... +3.5 %of span (via potentiometer)
Voltage output	-2 ... +3.5 %of span (via potentiometer)
Non-repeatability per IEC 61298-2	≤ 0.12 %of span
Mean temperature coefficient at -20 ... +80 °C [-4 ... +176 °F] (actively compensated)
Zero point	≤ 0.1 %of span/10 K
Span	≤ 0.15 %of span/10 K
Long-term drift per IEC 61298-2
Typical	≤ 0.25 %of span, at reference conditions
Measuring ranges ≤ 2 bar	≤ 0.4 %of span
Reference conditions	Per IEC 61298-1

bar	psi
0 ... 2	0 ... 30
0 ... 4	0 ... 60
0 ... 7	0 ... 100
0 ... 11	0 ... 160
0 ... 17	0 ... 250
0 ... 25	0 ... 350
0 ...36	0 ... 500
0 ... 70	0 ... 1,000
0 ... 100	0 ... 1,500
0 ... 145	0 ... 2,000
0 ... 225	0 ... 3,000
0 ... 360	0 ... 5,000

Further details on: Measuring range

Overpressure limit	■ 2-fold ■ 4-fold for measuring range 0 ... 2 bar [0 ... 30 psi]

bar	psi
0 ... 2	0 ... 30
0 ... 4	0 ... 60
0 ... 7	0 ... 100
0 ... 11	0 ... 160
0 ... 17	0 ... 250

View all (17)

Output signal

Signal type	■ 4 ... 20 mA, 2-wire ■ DC 0 ... 5 V, 3-wire ■ DC 0 ... 10 V, 3-wire
Load in Ω
4 ...20mA	≤ (U+ - 10 V) / 0.02 A
DC 0 ...5V	> 5 kΩ
DC 0 ...10V	> 10 kΩ
Voltage supply
Supply voltage	Output signal DC 0 ...5V / 4 ...20mA	DC 10 ...30V
Output signal DC 0 ...10V	DC 14 ...30V
Power P max	1W
Dynamic behaviour
Rise time (10 ... 90 %)	≤ 300 ms

Electrical connection

Connection type	IP code 1)	Wire cross-section	Cable diameter	Cable lengths
Bayonet connector (4-pin)	IP67	-	-	-
Circular connector M12 x 1 (4-pin)	IP67 (NEMA 4)	-	-	-
Cable outlet	IP67 (NEMA 4)	0.22 mm² (AWG 24)	4.8mm	■ 1.5 m[5 ft] ■ 3 m[10 ft]
Sub-D connector (9-pin)	IP54	-	-	-
Sub-D HD connector (15-pin)	IP54	-	-	-

Further details on: Electrical connection

Connection type	→ See above
Wire cross-section	→ See above
Cable diameter	→ See above
Cable length	→ See above
Pin assignment	→ See below
Ingress protection (IP code) per IEC 60529	→ See above
Short-circuit resistance	S+ vs. U- (short time)
Reverse polarity protection	U+ vs. U-
Insulation voltage	DC 500V

Bayonet connector (4-pin)

	2-wire	3-wire
U +	A	A
U -	D	D
S +	-	B

Sub-D HD connector (15-pin)

	2-wire	3-wire
U +	7	7
U -	5/12	5/12
S +	-	2

Material

Material (wetted)
Process connection	■ 316L per SEMI F20 ■ 316L VIM/VAR
Thin-film sensor	2.4711 / UNS R30003
Material (in contact with the environment)
Case	304 SS
Surface treatment	Electropolished per SEMI F19
Surface roughness Ra
Typical	≤ 0.13 µm (RA 5)
Maximum	≤ 0.18 µm (RA 7)

Circular connector M12 x 1 (4-pin)

	2-wire	3-wire
U +	1	1
U -	3	3
S +	-	4

Sub-D connector (9-pin)	2-wire	3-wire
U +	4	4
U -	8/9	8/9
S +	-	1

Operating conditions

Permissible media	■ Speciality gases ■ Vapours ■ Liquids
Helium leak test	< 1 x 10 -9 mbar l/sec (atm STD cc/sec) per SEMI F1
Vibration resistance per IEC 60068-2-6	0.35 mm(10 ... 58 Hz) / 5 g (58.1 ... 2,000 Hz)
Shock resistance per IEC 60068-2-27	500 g (1.5 ms)

Further details on: Operating conditions

Permissible temperature ranges	Non-Ex	T4	T5	T6
Medium temperature limit	-20 ...+100 °C [-4 ...+212 °F]	-20 ...+85 °C [-4 ...+185 °F]	-20 ...+60 °C [-4 ...+140 °F]	-20 ...+40 °C [-4 ...+104 °F]
Ambient temperature limit	-20 ...+85 °C [-4 ...+185 °F]	-20 ...+85 °C [-4 ...+185 °F]	-20 ...+60 °C [-4 ...+140 °F]	-20 ...+40 °C [-4 ...+104 °F]
Storage temperature limit	-40 ...+100 °C [-40 ...+212 °F]	-20 ...+85 °C [-4 ...+185 °F]	-20 ...+85 °C [-4 ...+185 °F]	-20 ...+85 °C [-4 ...+185 °F]

Packaging and instrument labelling

Packaging	Double bagging per SEMI E49.6
Assembly and packaging location	Clean room class 5 per ISO 14644
Instrument labelling	WIKA product label, glued

Logo	Description	Country
	EU declaration of conformity	European Union
	EMCdirective EN 61326 emission (group 1, class B) and immunity (industrial application)
	Pressure equipment directive
	RoHS directive ATEX directive (option)
	IECEx (option) Hazardous areas - Ex n Zone 2 gas [Ex nA ic IIC T4/T5/T6 Gc] [Ex ec ic IIC T4/T5/T6 Gc]	International
	FM (option) Hazardous areas - Nonincendive apparatus for use in class I, division 2, groups A,B,C,D - Nonincendive for use in class I, zone 2, group IIC (classified) locations	USA

Safety-related characteristic values

MTTF	> 100 years