| The 230.15 model is a Bourdon tube pressure gauge equipped with up to two 851-type reed switch electrical contacts. Designed specifically for high-purity applications requiring discrete monitoring outputs, it is suitable for systems and life safety applications installed worldwide. The switching points can be easily adjusted by simply removing the window and positioning the setting pointer on the desired value around the dial circumference. The gauge has passed helium leak tests and features internally electropolished surfaces to meet optimal purity standards. Compliant with SEMATECH and SEMI standards, this instrument ensures the highest quality required for your applications in the most ideal manner. With its high-purity characteristics, it is ideal for the semiconductor and flat panel display industries, various gas distribution systems, and medical gas applications. |
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| WIKA Pressure Products-Bourdon tube pressure gauge 230.15 |
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| 230.15 Special features |
 VCR® compatible pressure connection threads
Helium leak tested
Electropolished case
Process connection surface finish Ra ≤ 0.25 µm |
| 230.15Description |
| Nominal size (NS) |
Operating conditions |
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1 ½", 2" |
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Ambient temperature：-40 ... +60 °C [-40 ... +140 °F]
Medium temperature：-40 ... +100 °C [-40 ... +212 °F] |
| Accuracy class |
Temperature error |
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EN 837-1
■Class 2.5
■Class 1.6
ASME B40.100
■ ±3 % of measuring span (grade B)
■ ±2 % of measuring span (grade A) |
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On deviation from the reference conditions at the measuring system: ≤ ±0.4 % per 10 °C [≤ ±0.4 % per 18 °F] of full scale value |
| Special design feature |
Ingress protection per IEC/EN 60529 |
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■Oil- and grease-free
■ For oxygen, oil- and grease-free 1)
■ Silicone-free
■ Version for ammonia plants
With temperature scale for refrigerant R 717 (NH3) in °C
Scale range: -1 ... 0 ... 15 bar or -1 ... 0 ... 26 bar |
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IP 54， Compliant with EN 60529/lEC 529 standards |
| Pressure limitation |
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Steady: 3/4 x full scale value
Fluctuating: 2/3 x full scale value
Short time: Full scale value |
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| 230.15 Selection Table |
| 230.15 |
050mm |
-30 inHg ... +160psi |
1/4” MNPT |
LM |
Option |
Pressure gauge type |
Dial Size |
Measurement Range
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Process connection |
Connection location |
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040 mm [1 ½"]
050 mm [2" ] |
-30 inHg ... 0psi
-30 inHg ... +100psi
-30 inHg ... +15psi
-30 inHg ... +160psi
-30 inHg ... +30psi
-30 inHg ... +200psi
-30 inHg ... +60psi
-30 inHg ... +300psi |
¼ MVCR
¼ FVC |
LM-Lower mount(radial)
CBM-Centre back mount |
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For more range, please refer to the manual data。 |
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