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卓爾瑞華（北京）科技有限公司
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卓爾瑞華（北京）科技有限公司
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產(chǎn)品型號(hào)74.830E
品 牌
廠商性質(zhì)代理商
所 在 地北京市
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更新時(shí)間：2022-08-02 11:30:53瀏覽次數(shù)：410次
聯(lián)系我時(shí)，請(qǐng)告知來自 環(huán)保在線WIKA 74.830E 帶電接點(diǎn)的汽包式溫度計(jì) 不銹鋼 用于無菌技術(shù) IP65
| 類型： | 電接點(diǎn)壓力式溫度計(jì) | 尾部長(zhǎng)度： | 100（mm） |
| 型號(hào)： | 74.830E | 精度等級(jí)： | 1 |
| 品牌： | WIKA/威卡 | 加工定制： | 是 |
| 公稱直徑： | 100（mm） | 測(cè)量范圍： | -30-160（℃） |
WIKA 74.830E 帶電接點(diǎn)的汽包式溫度計(jì) 不銹鋼 用于無菌技術(shù) IP65
Gas-actuated thermometer with switch contacts
For sanitary applications
Model 74, stainless steel version
Gas-actuated thermometer with switch contact, model 74
with liquid damping and VARIVENT® connection
Applications
■ Food industry
■ Sanitary applications
■ Bio and pharmaceutical industry
Special features
■ Dead-space free, hygienic version
■ Aseptic process connections
■ Material and surface finish quality in accordance with pharmaceutical industry directives and standards
■ Gauges with inductive contact for use in hazardous areas with ATEX approval
Description
This series of thermometers has been designed as an addition to the standard range of thermometers in order to meet the special requirements of the food, bio and
pharmaceutical industries as well as in the paints and varnishes industry.
The model 74 gas-actuated thermometer is ideally suited to fulfil the high standard requirements of sanitary applications.Based on a third party verification, the thermometer complies with the 3-A standard 74-03 and is marked by us accordingly.
Stem and case are made of stainless steel.The surface of the wetted parts is polished, and a wide variety of process connections is available to ensure the
optimal adaptation to many different process requirements.The stem is free of dead space.
Switch contacts （electrical alarm contacts） make or break an electric control circuit dependent upon the position of the instrument pointer. The switch contacts are adjustable over the full measuring range.
The instrument pointer actual value pointer） moves freely across the entire scale range, independent of the setting.The set pointer can be adjusted via the window using a removable adjustment key （mounted on the terminal box）.
Switch contacts consisting of several contacts can also be set to a single set point. Contact actuation is made when the actual value pointer travels beyond or below the desired set point.
For switch contacts, sliding and magnetic snap-action contacts, reed contacts, inductive contacts - for requirements to ATEX - or electronic contacts for PLC switching are available.
Standard version
Measuring principle
Gas-pressure inert gas filling, physiologically safe
Nominal size in mm
100
Process connection
■ VARIVENT® connection
for pipes DN 40 to DN 125 and 1 ½" to 4", PN 25
■ NEUMO BioControl®
size 50 （mounting diameter 50 mm） for pipes DN 25 to
DN 100, PN 16 or
size 65 （mounting diameter 68 mm） for pipes DN 40 to
DN 100, PN 16
■ Grooved union nut DIN 11851, DN 40, PN 40 or DN 50,
PN 25
■ Tri-clamp, DN 1 ½", PN 40 or DN 2", PN 40
Instrument version
■ Back mount （axial）
■ Lower mount （radial）
Indication accuracy
DIN 16196
Working range
Normal （1 year）: Measuring range （DIN 16196）
Short time （24 h max.）: Scale range （DIN 16196）
Rated operating ranges and conditions
DIN 16196
Temperature sensor
Wetted parts 1.4435 stainless steel
Diameter 21 mm
Length 30 mm
Surface of the wetted parts
Ra ≤ 0.8 μm
Case
Stainless steel 1.4301
Bezel ring
Cam ring （bayonet type） bezel, stainless steel 1.4301
Dial
Aluminium, white, black lettering
Window
Laminated safety glass
Pointer
Aluminium, black, adjustable pointer
Electrical connection
Terminal box
Temperature limits for storage and transport
-50 … +60 °C without liquid damping
-20 … +60 °C （EN 13190） with liquid damping
Permissible ambient temperature at case
0 … 40 °C max. （others on request）
Permissible working pressure at the temperature
sensor
max. 25 bar, static
Ingress protection
IP 65 per EN 60529 / IEC 529
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