Druckaufnehmer (mit Verstärker) PA-838｜NIDEC COMPONENTS EUROPE GmbH

Druckaufnehmer (mit Verstärker) PA-838

PA-838 Serie

PA-838 Serie

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PRESSURE TRANSDUCERS WITH AMP. PA-838

High corrosion resistance by double diaphragm structure
Built-in amplifier circuit
Incorporating temperature compensation function (0 ~ 50 °C)
Current output mode
Available with a ※ VCR® fitting

Standard specifications

Unless otherwise specified, the specs are defined at an ambient temperature of 25±5 °C, excitation voltage of 24 V DC and load resistance of 250 Ω.

Operating temp. range	−20 ~ 70°C
Compensated temp. range	0 ~ 50°C
Operating humidity	35 ~ 85%RH（No condensation）
Storage temp.	− 20 ~ 70°C（Atmospheric pressure, humidity 65 %RH maximum）
Pressure medium	Corrosive gases/liquids compatible with SUS 316L ※1
Insulation resistance	100 (500 V DC)MΩ min.
Dielectric strength	500 V AC, 60 s（Leakage current 1 mA maximum）
Sealed liquid	Silicone oil
Pressure port	G 1/8 (PF 1/8)、R 1/4 (PT 1/4)、1/4 VCR®　※2
Net weight	Approx. 140g
Supply voltage	24 ± 10 %V DC
Ripple content	10 % (P-P)maximum

※1　In case of VCR type, corrosive gases/liquids compatible with SUS 316L and SUS 316.
※2　An “O” ring provided for G1/8 type. (Positive pressure : P15)

Analog output

Unless otherwise specified, the specs are defined at an ambient temperature of 25±5 °C, excitation voltage of 24 V DC and load resistance of 250 Ω.

Rated pressure range	501G	102G	103G
Output current	4 ~ 20mA
Zero current	4 ± 0.2mA (at 25 °C)
Span current	16 ± 0.2mA (at 25 °C)
Load resistance	0 ~ 500 Ω
Linearity/Hysteresis	± 0.5%F.S.
Thermal error (Reference temp.: 25 °C)	ZERO:± 0.05/± 0.1%F.S./°C SPAN:± 0.05/± 0.1%F.S./°C
Response	Approx. 2ms
Gravitational effect (From vertical position to horizontal position)	Approx. 0.5%F.S.max.	Approx. 0.3%F.S.max.	Approx. 0.05%F.S.max.

Model Number Designation

PA-838-	102	A-	05
Series name	Rated pressure range 501：0 ~ 49.0 kPa {0 ~ 0.5 kgf/cm2} 102：0 ~ 98.1 kPa {0 ~ 1 kgf/cm2} 103：0 ~ 981 kPa {0 ~ 10 kgf/cm2}	Pressure reference G：Gauge	Thermal error/Fitting 05：± 0.05 % F.S./°C, G 1/8 R2：± 0.05 % F.S./°C, R 1/4 VCR：± 0.05 % F.S./°C, VCR 10：± 0.1 % F.S./°C, G 1/8

PA-838-

102

A-

Series name

Rated pressure range

501：0 ~ 49.0 kPa {0 ~ 0.5 kgf/cm2}
102：0 ~ 98.1 kPa {0 ~ 1 kgf/cm2}
103：0 ~ 981 kPa {0 ~ 10 kgf/cm2}

Pressure reference

G：Gauge

Thermal error/Fitting

05：± 0.05 % F.S./°C, G 1/8
R2：± 0.05 % F.S./°C, R 1/4
VCR：± 0.05 % F.S./°C, VCR
10：± 0.1 % F.S./°C, G 1/8

※VCR® is a registered trade name of Cajon Co. CAJON® is a registered trade name of Swagelok Co.
Note: For handling of VCR fittings, please contact a service center of Swagelok Co.

List of model numbers

Model number	Pressure reference	Thermal error [% F.S./°C]	Fitting	Rated pressure rangekPa {kgf/cm2}	Maximum pressurekPa {kgf/cm2}	Break-down pressurekPa {kgf/cm2}	CAD
PA-838-501G-05	Gauge	± 0.05	G 1/8	49.0 {0.5}	98.1 {1}	147 {1.5}	3D CAD（Any Model）
PA-838-501G-R2	Gauge	± 0.05	R 1/4	49.0 {0.5}	98.1 {1}	147 {1.5}	3D CAD（Any Model）
PA-838-501G-VCR	Gauge	± 0.05	VCR	49.0 {0.5}	98.1 {1}	147 {1.5}	3D CAD（Any Model）
PA-838-501G-10	Gauge	± 0.10	G 1/8	49.0 {0.5}	98.1 {1}	147 {1.5}	3D CAD（Any Model）
PA-838-102G-05	Gauge	± 0.05	G 1/8	98.1 {1}	196 {2}	294 {3}	3D CAD（Any Model）
PA-838-102G-R2	Gauge	± 0.05	R 1/4	98.1 {1}	196 {2}	294 {3}	3D CAD（Any Model）
PA-838-102G-VCR	Gauge	± 0.05	VCR	98.1 {1}	196 {2}	294 {3}	3D CAD（Any Model）
PA-838-102G-10	Gauge	± 0.05	G 1/8	98.1 {1}	196 {2}	294 {3}	3D CAD（Any Model）
PA-838-103G-05	Gauge	± 0.05	G 1/8	981 {10}	1961 {20}	2942 {30}	3D CAD（Any Model）
PA-838-103G-R2	Gauge	± 0.05	R 1/4	981 {10}	1961 {20}	2942 {30}	3D CAD（Any Model）
PA-838-103G-VCR	Gauge	± 0.05	VCR	981 {10}	1961 {20}	2942 {30}	3D CAD（Any Model）
PA-838-103G-10	Gauge	± 0.10	G 1/8	981 {10}	1961 {20}	2942 {30}	3D CAD（Any Model）

※VCR® is a registered trade name of Cajon Co. CAJON® is a registered trade name of Swagelok Co.
Note: For handling of VCR fittings, please contact a service center of Swagelok Co.

Environment Characteristics

Test item	Test conditions (At 25 ± 5 °C)	Permissible change
Vibration	10 ~ 500 Hz, 1.5 mm maximum/98.1 m/s² 3 directions for 2 hours each	Zero current, Span current: ± 1 %F.S. maximum each
Shock	490 m/s² 3 directions for 3 times each
Pressure cycling	0 ~ Rated pressure/Rated pressure range 10⁶ cycles
Moisture resistance	40 °C, 90 ~ 95 %RH, 240 hrs.