Ultra high purity transducer

Name: Ultra high purity transducer
Brand: WIKA

Ultra high purity transducer for hazardous areas, Ex ia IIC, suitable for semiconductor, flat panel display, and photovoltaic industries with specialty gases and ultrapure media.

Range

0…360 bar

Output

4-20 mA, 2-wire · 4-20 mA

Accuracy

0.15 % of span

Protection

IP67

CERoHSATEXIECExEx ia IIC T4 GaII 1G Ex ia IIC T4 Ga

Price

On request

Depends on configuration

Request a quote

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

Special features

Compact design
ATEX and IECEx zone 0 approval
Ingress protection IP67 with “side access” zero potentiometer
Excellent EMC stability
Active temperature compensation

Identification

Model	iWU-20
Product family	iWU-2x
Subcategory	Pressure Transmitter

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 · 0…30 psi · 0…60 psi · 0…100 psi · 0…160 psi · 0…250 psi · 0…350 psi · 0…500 psi · 0…1000 psi · 0…1500 psi · 0…2000 psi · 0…3000 psi · 0…5000 psi

Accuracy

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

Process conditions

Process connection	1/4" weld stub1/4" male nut, rotatable1/4" union nut, rotatable1/4" T-connector, weld stub1/4" union nut (female), rotatable1/4" male nut, fixed, high flow throughMSM C-seal 1 1/8"MSM W-seal 1 1/8"M12 x 1 (4-pin)Cable outlet 1.5m and 3m
Process temperature	−20…+85 °C

Electrical characteristics

Output signal	4-20 mA, 2-wire · 4-20 mA
Power supply	15 ... 30 V DC
Electrical connection	Circular connector M12 x 1 (4-pin) or cable outlet 1.5 m / 3 m

Materials

Case material	304 SS, Stainless steel
Wetted parts material	316L per SEMI F20 2.4711 / UNS R30003, Thin-film sensor, Stainless steel, 316L per SEMI F20, 2.4711 / UNS R30003
Sealing material	Metal sealed

Operating environment

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

Certifications and approvals

Certifications	CERoHSATEXIECEx
Explosion protection	Ex ia IIC T4 GaII 1G Ex ia IIC T4 Ga

Additional details

Datasheet languages

EN, DE

Tables from datasheet

Specifications
	iWU-26
Pressure range (psi)	30	60	100	160	250	350	500	1,000	1,500	2,000	3,000	5,000
Pressure range (bar)	2	4	7	11	17	25	36	70	100	145	225	360
Overload safety (psi)	120	120	210	320	500	750	1,100	2,100	3,000	4,200	6,600	10,000
Burst pressure (psi)	1,800 Further	1,800 measuring	2,200 ranges	2,600 on	4,800 request	6,200	7,400	8,000	10,500	10,500	10,500	10,500
Measuring principle	Metal thin-film sensor
Materials
Wetted parts	Process connection Thin-film sensor	316L per SEMI F20 2.4711 / UNS R30003
Case	304 SS
Helium leak test	< 1 x 10 -9 mbar l/sec (atm STD cc/sec) per SEMI F1
Surface treatment	Electropolished, typical Ra ≤ 0.13 μm (RA 5);max.Ra ≤ 0.18 μm (RA 7) per SEMI F19
Dead volume
iWU-20	< 1.5 cm³
iWU-25	< 1 cm³
iWU-26	< 1 cm³
Permissible media	■ Speciality gases ■ Vapours ■ Liquids
Supply voltage U +	DC 15 ...30V
Output signal and permissible max. load R A in Ω	4 ... 20 mA, 2-wire, R A ≤ (U + - 15 V) / 0.022 A
Ratings for the supply circuit U + and U -
Maximum input voltage (DC)	U i = 30V
Maximum input current	I i = 130mA
Maximum input power	P i = 835mW
Effective internal capacitance	■ C i = 19.5 nF (version circular connector M12 x 1, 4-pin) ■ C = 21.9 nF (version flying leads)
Effective internal inductance	■ Negligible (version circular connector M12 x 1, 4-pin) ■ L i = 12 µH (version flying leads)
Adjustability of zero point	-3.5 %... +3.5 %of span (via potentiometer)
Response time (10 ... 90 %)	≤ 300 ms
Insulation voltage	DC 850V
	■ ≤ 0.15 %of span (≤ 0.4 %of span for measuring ranges ≤ 2 bar) RSS (root sum squares) ■ ≤ 0.3 %of span (≤ 0.6 %of span for measuring ranges ≤ 2 bar) per IEC 61298-2
Non-linearity per IEC 61298-2	■ ≤ 0.1 %of span (BFSL) ■ ≤ 0.15 %of span (BFSL) for measuring ranges ≤ 2 bar
Hysteresis	≤ 0.14 %of span
Stability per year
Non-repeatability	≤ 0.12 %of span ■ ≤ 0.25 %of span (typ.) at reference conditions ■ ≤ 0.4 %of span for measuring ranges ≤ 2 bar
Permissible temperature ranges
Medium
	T4, version circular connector M12 x 1, 4-pin -20 ...+85 °C [-4 ...+185 °F] T4, version flying leads -20 ...+65 °C [-4 ...+149 °F]
Ambient	T4, version circular connector M12 x 1, 4-pin -20 ...+85 °C [-4 ...+185 °F]
	T4, version flying leads -20 T4, version circular connector M12x1, 4-pin	-40 ...+100 °C [-40 ...+212 °F]
Storage	T4, version flying leads	-40 ...+100 °C [-40 ...+212 °F]

Specifications

Rated temperature range	-20 ...+80 °C [-4 ...+176 °F] (actively compensated)
Temperature coefficients within the rated temperature range (actively compensated)
Mean TC of zero point	≤ 0.1 / 10 K
Mean TC of span	≤ 0.15 / 10 K
Production environment	Clean room class 5 per ISO 14644
Packaging	Double bagging per SEMI E49.6
Shock resistance	500 (1.5 ms) per IEC 60068-2-27
Vibration resistance	0.35 mm(10 ... 58 Hz) / 5 g (58.1... 2,000 Hz) per IEC 60068-2-6
Reverse polarity protection	U + vs.U -
Weight	Approx. 0.1 kg

Electrical connections

	Circular connector M12 x 1 (4-pin)	Cable outlet 1.5mand3m
	(Dimensions in inch [mm])	(Dimensions in inch [mm])
2-wire	U+ = 1	U+ = red U- = black
Conductor cross-section	-	0.22mm 2 (AWG 24)
Cable diameter	-	4.8mm
Ingress protection per IEC 60529	IP67	IP67
	Ingress protection only applies when plugged in using mating connectors that have the appropriate ingress protection.

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 - Ex i Zone 0 gas II 1G Ex ia IIC T4 Ga
w	IECEx Hazardous areas	International
- Ex i Zone 0 gas Ex ia IIC T4 Ga