主要性能指標(biāo) | ||
精度等級 | 1.5級 (-30℃-60℃) | |
規(guī)格 | -0.1-0.9MPa | |
使用溫度 | -30℃-60℃ | |
使用濕度 | < 90% | |
防護(hù)等級 | IP54 | |
接頭螺紋 | M20X1.5 | |
抗沖擊 | 30g | |
敏感元件密封度 | 滲漏率1x10-15MPa·m3/s | |
觸頭容量 | 30VA | |
最大工作電壓 | 380V | |
外形圖 | 接線圖 | |
使用說明 | 重要提示 | |
儀表應(yīng)垂直安裝: 儀表出廠前已調(diào)校好,請不要打開自行調(diào)整。 儀表指示不正常時(shí),顧客無條件修理,應(yīng)退回生產(chǎn)廠 | 儀表使用前處于非溫度補(bǔ)償狀態(tài),指針零點(diǎn)指示位置會隨環(huán)境溫度升高而下移 溫度降低而上移。 訂貨時(shí)請注明儀表型號、額定壓力、報(bào)警壓力、閉鎖壓力值及表面涂色區(qū)域要求。 顧客特殊要求請?jiān)诤贤凶⒚骰騾f(xié)議解決。 |
接口尺寸: | 螺紋,法蘭(mm) | 加工定制: | 是 |
防護(hù)等級: | IP65 | 測量范圍: | 0-1(kPa) |
類型: | Trafag,8711,8731,8741,8751,SF6氣體密度變送,SF6氣體密度控制器 | 防爆等級: | IP65 |
型號: | Trafag,8711,8731,8741,8751,SF6氣體密度變送,SF6氣體密度控制器 | 測量介質(zhì): | SF6氣體 |
精度等級: | 1 | 品牌: | TRAFAG/瑞士 |
輸出信號: | 4-20(mA) | 電源電壓: | 4(V) |
Trafag,8711,8712,8731,8741,8750,8751,SF6氣體密度變送,SF6氣體密度控制器
Trafag,8711,8712,8731,8741,8750,8751,SF6氣體密度變送,SF6氣體密度控制器
產(chǎn)品規(guī)格:
適用于SF6和其它氣體
測量原理:參考室氣體
測量范圍:0...1 MPa (0...1000 kPa)
輸出:微動開關(guān)觸點(diǎn)
較同類產(chǎn)品更精確
良好的抗振性
低溫下沒有誤報(bào)警
不銹鋼傳感器
分立的隔離電路
環(huán)境溫度:-40 ... +80°C
介質(zhì)溫度-40 ... +80°C
Application High voltage technology
Main characteristics
Gas Density Controller for SF6 and other gases Principle: Reference gas measurement Measuring range: 0...1 MPa (0...1000 kPa) Output: floating change-over contact Switch point: adjustment in factory
Main features
Exact switching following isochore? Excellent vibration resistance? No false alarms at low temperatures? Stainless steel sensor? Independent, galvanically separated circuits
Ordering information
Specifications
Main characteristics
Principle: R eference gas measurement Measuring range: 0...1 MPa (0...1000 kPa) Output: floating change-over contact Switch point: adjustment in factory
Accuracy (@ 20°C) Switching differential typ. Microswitch 20: <15 kPa Microswitch 28/83: <10 kPa Accuracy of the reference Miroswitch from the reference isochore (see page 4) -30...+50°C: <10 kPa(Filling pressure: <650 kPa) -30...+50°C: <12 kPa(Filling pressure: <1 MPa)
Microswitch Rating: see table Resistance of insulation: > 2 MΩ Dielectric strength: 2 kV terminal ground Life time (mechanical) Microswitch 20: 1 Mio. cycles Microswitch 28/83: 10 Mio. cycles Max. difference from the lowest to the highest switching point: 130kPa
Electrical connection Male electrical plug: DIN 43650-A Female electrical connector Cable-Ø: 6...13 mm Terminal screw: 0.5...1.5 mm2
Environmental conditions Ambient temperatur: -40....+80°C Media temperature -40....+80°C Protection: 8711/50/51: IP54 8712/21/31/41: IP00 Humidity: max. 95 % relative Vibration Min. Difference from switch point: 5 kPa 20...80 Hz: 4 g Shock: 50g/ 11ms
Security Leakage of Reference chamber: < 0.5 kPa/ year (5·10-10 kPa·I·s-1) Service: none,switch point checking after 5 years Reference chamber leakage tests: With Helium gas in vacuum process and integral leakage test in overpressure process
Mechanical data Material Sensor: Housing: 1.4435 (AISI316L) Filling: Gas Housing: AlMgSi1, anodized Male electrical plug: PA, Polyamid Weight: ~ 350 g (8711)
Electrical data switch
Electrical connection
Dimensions
Accessories
類型: | Trafag,SF6氣體密度繼電器,氣體密度控制器,8716,8726,8736,8746 | 聯(lián)接型式: | 軸向 |
型號: | 111 | 精度等級: | 1 |
品牌: | Trafag,SF6氣體密度繼電器,氣體密度控制器,8716,8726,8736,8746 | 環(huán)境溫度: | -10-40(℃) |
加工定制: | 是 | 公稱直徑: | 100(mm) |
測量范圍: | 0-160(MPa) |
類型: | Trafag,SF6氣體密度繼電器,氣體密度控制器,8716,8726,8736,8746 | 聯(lián)接型式: | 軸向 |
型號: | 111 | 精度等級: | 1 |
品牌: | Trafag,SF6氣體密度繼電器,氣體密度控制器,8716,8726,8736,8746 | 環(huán)境溫度: | -10-40(℃) |
加工定制: | 是 | 公稱直徑: | 100(mm) |
測量范圍: | 0-160(MPa) |
Trafag,SF6氣體密度繼電器,SF6氣體密度控制器,8716,8726,8736,8746
應(yīng)用于SF6和其它氣體
Trafag,8716,8726,8736,8746,SF6氣體密度繼電器,氣體密度控制器基本參數(shù):
壓力范圍:0...1 MPa (0...1000 kPa)
輸出:微動開關(guān)觸點(diǎn)控制
適用溫度:-30-50度
適用氣體:SF6和其它氣體
精度等級:
Reference pressure <650 kPa @ 20°C abs.:± <10 kPa @ -30...+50°C Reference pressure >650 kPa abs.:± <12 kPa @ -30...+50°C
Trafag,8716,8726,8736,8746,SF6氣體密度繼電器,氣體密度控制器產(chǎn)品特點(diǎn):
Application High voltage technology
Main characteristics
Gas Density Monitor for SF6 and other gases? Principle: R eference gas measurement? Measuring range absolute: 0...1.1 MPa (0...1100 kPa)? Output: floating change-over contact? Switch point: factory calibrated
Main features? Exact switching following isochore at all temperatures? Excellent vibration resistance? No contact bouncing? Either stainless steel or aluminium/stainless steel probe? Independent, galvanically separated circuits
Ordering information
Specifications
Main characteristics Principle: R eference gas measurement Measuring range absolute: 0...1.1 MPa(0...1100 kPa) Output: floating change-over contact Switch point: factory calibration
accuracy Reference pressure <650 kPa @ 20°C abs.: ± <10 kPa @ -30...+50°C Reference pressure >650 kPa abs.: ± <12 kPa @ -30...+50°C
accuracy of indicator SF6 Indicator dial Accuracy of indicator within numeralised range: ± 10 kPa @ 20°C Low pressure indicator Accuracy of indicator within numeralised range: @ 0 kPa relative: ± 20 kPa >200 kPa relative: ± 10 %
Micro switch Rating: see table Resistance of insulation: > 2 MΩ Dielectric strenght: 2 kV terminal to ground Life time (mechanical) micro switch 20: 1 Mio. cycles micro switch 28: 10 Mio. cycles max. difference from the lowest to the highest switch point: 130kPa Switching differential typ. micro switch 20: <15 kPa micro switch 28: <10 kPa for indicating range or switching distance > 80 kPa: <15 kPa
Electrical connection Screwed cable gland: see accessories Screw terminal: plugable, 0.2...2.5 mm2
environmental conditions Ambient temperature: –40...+80°C Media temperature: –40...+80°C Protection: IP67 Humidity: max. 95% relative Vibration: @ min. 5 kPa distance from switch point no contact bouncing
under 20...80 Hz: 4 g Vibration resistance: 100 Hz, 20g, 15 min. Shock: 50g/ 11ms
Mechanical data Material Measurement system Sensor: 1.4435,1.4404, 1.4571 (AISI316L, AISI316) Filling: Gas Housing (density monitor): AIS i10Mg Screwed cable gland: brass nickel plated Weight: ~ 800...1000 g Pressure connection: 1.4404 (AISI 316L) (see data sheet H72502)
Electrical data switch
Protection
Dimensions
Dimensions
Trafag,SF6氣體密度繼電器,SF6氣體密度控制器,8716,8726,8736,8746
應(yīng)用于SF6和其它氣體
Trafag,8716,8726,8736,8746,SF6氣體密度繼電器,氣體密度控制器基本參數(shù):
壓力范圍:0...1 MPa (0...1000 kPa)
輸出:微動開關(guān)觸點(diǎn)控制
適用溫度:-30-50度
適用氣體:SF6和其它氣體
精度等級:
Reference pressure <650 kPa @ 20°C abs.:± <10 kPa @ -30...+50°C Reference pressure >650 kPa abs.:± <12 kPa @ -30...+50°C
Trafag,8716,8726,8736,8746,SF6氣體密度繼電器,氣體密度控制器產(chǎn)品特點(diǎn):
Application High voltage technology
Main characteristics
Gas Density Monitor for SF6 and other gases? Principle: R eference gas measurement? Measuring range absolute: 0...1.1 MPa (0...1100 kPa)? Output: floating change-over contact? Switch point: factory calibrated
Main features? Exact switching following isochore at all temperatures? Excellent vibration resistance? No contact bouncing? Either stainless steel or aluminium/stainless steel probe? Independent, galvanically separated circuits
Ordering information
Specifications
Main characteristics Principle: R eference gas measurement Measuring range absolute: 0...1.1 MPa(0...1100 kPa) Output: floating change-over contact Switch point: factory calibration
accuracy Reference pressure <650 kPa @ 20°C abs.: ± <10 kPa @ -30...+50°C Reference pressure >650 kPa abs.: ± <12 kPa @ -30...+50°C
accuracy of indicator SF6 Indicator dial Accuracy of indicator within numeralised range: ± 10 kPa @ 20°C Low pressure indicator Accuracy of indicator within numeralised range: @ 0 kPa relative: ± 20 kPa >200 kPa relative: ± 10 %
Micro switch Rating: see table Resistance of insulation: > 2 MΩ Dielectric strenght: 2 kV terminal to ground Life time (mechanical) micro switch 20: 1 Mio. cycles micro switch 28: 10 Mio. cycles max. difference from the lowest to the highest switch point: 130kPa Switching differential typ. micro switch 20: <15 kPa micro switch 28: <10 kPa for indicating range or switching distance > 80 kPa: <15 kPa
Electrical connection Screwed cable gland: see accessories Screw terminal: plugable, 0.2...2.5 mm2
environmental conditions Ambient temperature: –40...+80°C Media temperature: –40...+80°C Protection: IP67 Humidity: max. 95% relative Vibration: @ min. 5 kPa distance from switch point no contact bouncing
under 20...80 Hz: 4 g Vibration resistance: 100 Hz, 20g, 15 min. Shock: 50g/ 11ms
Mechanical data Material Measurement system Sensor: 1.4435,1.4404, 1.4571 (AISI316L, AISI316) Filling: Gas Housing (density monitor): AIS i10Mg Screwed cable gland: brass nickel plated Weight: ~ 800...1000 g Pressure connection: 1.4404 (AISI 316L) (see data sheet H72502)
Electrical data switch
Protection
Dimensions
Dimensions
接口尺寸: | 螺紋(mm) | 加工定制: | 是 |
防護(hù)等級: | IP67 | 測量范圍: | 0-1.1(kPa) |
類型: | Trafag,8781,8782,8783,SF6氣體密度繼電器帶變送器,SF6氣體密度 | 防爆等級: | IP67 |
型號: | Trafag,8781,8782,8783,SF6氣體密度繼電器帶變送器,SF6氣體密度 | 測量介質(zhì): | SF6氣體和其它氣體 |
精度等級: | 1.0 | 品牌: | Trafag/瑞士 |
輸出信號: | 4-20(mA) | 電源電壓: | 4(V) |
Trafag,8781,8782,8783,SF6氣體密度繼電器帶變送器,SF6氣體密度繼電器,SF6氣體密謀變送器
Trafag,8781,8782,8783,SF6氣體密度繼電器帶變送器,SF6氣體密度繼電器,SF6氣體密度變送器
主要技術(shù)規(guī)格
適用于:SF6和其它氣體
防護(hù)等級IP65
免維護(hù)免校準(zhǔn)
應(yīng)用于高壓開關(guān)設(shè)備
壓力范圍:絕對壓力0...1.1 MPa(0...1100 kPa)
測量壓力:0...0.85MPa SF6@ 20°C 0...56.1 kg SF6 /m3 輸出:數(shù)字信號或模擬電流,可連續(xù)監(jiān)測,長期無飄移
適用于戶外使用
Trafag,8781,8782,8783,SF6氣體密度繼電器帶變送器,SF6氣體密度繼電器,SF6氣體密度變送器
主要特點(diǎn):
Application High voltage technology
main cHaracteristics
Gas Density Monitor for SF6 and other gases with output signal for continuous monitoring
Mechanical monitoring:? Principle: Reference gas measurement? Measuring range absolute: 0...1.1 MPa(0...1100 kPa)? Output: floating change-over contact? Switch point: factory calibrated
Electronic monitoring/Sensor:? Principle: Oscillating quartz measurement? Measuring range absolute: 0...0.85MPa SF6@ 20°C 0...56.1 kg SF6 /m3? Output analogue: current loop? Accuracy: ±1.0% FS typ. ±1.8% FS max. main features? Exact switching following isochore at all temperatures? No contact bouncing? Independent, galvanically separated circuits? Continuous analogue output signal for gas density? long term drift free output signal? Vibration and shock proof? Protection IP65? Maintenance-free? Suitable for outdoor usage
Ordering information
Specifications
Main characteristics
Mechanical monitoring: Principle: Reference gas measurement Measuring range absolute: 0...1.1 MPa(0...1100 kPa) Output: floating change-over contact Switch point: factory calibration
Electronic monitoring: Principle: Oscillating quartz measurement Measuring range absolute: 0...0.85MPa SF6@ 20°C 0...56.1 kg SF6 /m3 Output analogue: 6.5...20 mA current loop switch point accuracy Reference pressure <650 kPa @ 20°C abs.: ± <10 kPa @ -30...+50°C Reference pressure >650 kPa abs.: ± <12 kPa @ -30...+50°C
accuracy of indicator Mechanical monitoring: SF6 Indicator dial Accuracy of indicator within numeralised range: ± 10 kPa @ 20°C Low pressure indicator Accuracy of indicator within numeralised range: @ 0 kPa relative: ± 20 kPa >200 kPa relative: ± 10 %
accuracy of sensor: Accuracy: ±1.0% FS typ. ±1.8% FS max. Repeatability: ±0.2% FS Response time for installed sensors: τ (63%) < 20 msec. Measured value within ±1.8% FS error band after connecting to: SF6-pressurized GIS tank: 96 h vacuumized GIS tank: 10 min.
Microswitch Rating: see table Resistance of insulation: > 10 MΩ Dielectric strenght: 2 kV terminal to ground Life time (mechanical) Microswitch 20: 1 Mio. cycles Microswitch 28: 10 Mio. cycles max. difference from the lowest to the highest switch point: 130kPa Switching differential typ. Microswitch 20: <15 kPa Microswitch 28: <10 kPa for indicating range or switching distance > 80 kPa: <15 kPa
Electric output signal sensor: Output signal 6.5...20 mA current loop 0...0.85MPa absolute SF6 @ 20°C 0...56.1 kg SF6 /m3 Earthing: via gas connection of sensor Supply voltage Analog output: 2-wire, 10...32 VDC Dielectrical strength: 250V against mass(EN60255-5) Resistance of insulation: > 10 MΩ
Electrical connection Screwed cable gland: see accessories Screw terminal: plugable, 0.2...2.5 mm2
environmental conditions Ambient temperature: –40...+80°C Media temperature: –40...+80°C Storage temperature: –40...+80°C Protection: IP65 Humidity: max. 98% relative Vibration: @ min. 5 kPa distance from switch point no contact bouncing under 20...100 Hz: 4 g Shock: 50g/ 8m
EMC Protection ESD: 15kV air EN/IEC 61000-4-2 Radiated Immunity: 10V/m, 80...1000Hz EN/ IEC 61000-4-3 Burst: 4kV EN/IEC 61000-4-4 Surge: 4kV (42 Ω) EN/IEC 61000-4-5 Conducted Immunity: 10V, EN/IEC 61000-4-6
Mechanical data Material Measurement system Mech. Sensor: 1.4435,1.4404, 1.4571(AISI316L, AISI316) Probe housing: 1.4435, 1.4404, 1.4571 (AISI316L) O-Ring (media contacting): CR Filling: Gas
Housing (density monitor): AISi10Mg Screwed cable gland: brass nickel plated Weight: ~ 1 kg Pressure connection: 1.4404 (AISI316L)(see data sheet H72502)
Electrical data switch
Output Signal analogue
Protection
Dimensions
Dimensions
指針式SF6密度控制器(防震) 型號:M305867 | |
MK—100B、MK—100B—Z型指針式SF6密度控制器,廣泛用于控制和檢測高壓電器設(shè)備中SF6氣體的密度,由于環(huán)境溫度的變化引起SF6容器內(nèi)氣體壓力值變化的時(shí)候控制器不會動作,當(dāng)容器內(nèi)的SF6氣體泄露時(shí)候控制器將發(fā)出報(bào)警和閉鎖信號或?qū)ο到y(tǒng)進(jìn)行控制和調(diào)節(jié),確保設(shè)備正常運(yùn)行. 結(jié)構(gòu)和作用原理 MK—100B、MK—100B—Z型指針式SF6密度控制器有一個(gè)帶有和SF6氣體的密度與壓力成對應(yīng)關(guān)系的溫度補(bǔ)償式壓力表和一個(gè)磁助式電接點(diǎn)裝置或按用戶要求的快速自動裝卸接頭組成. 當(dāng)設(shè)備充入額定的SF6氣體時(shí),壓力值在空氣器的刻度盤上指示出來.SF6氣體受溫度影響時(shí)壓力值將產(chǎn)生相應(yīng)的變化,這時(shí)控制器的溫補(bǔ)裝置將變化值進(jìn)行補(bǔ)償,使壓力值保持不變,只有當(dāng)SF6氣體泄漏至設(shè)定值時(shí)控制器先后發(fā)出報(bào)警和閉縮信號,以達(dá)到對高壓電器設(shè)備的保護(hù)作用. 技術(shù)參數(shù) 控制器由指示部分和控制部分組成 1. 指示部分 (1) 測量范圍 -0.1~0.9Mpa (2) 精度等級 1.5 (3) 外型尺寸 見圖1 (4) 接頭螺紋 M20×1.5 (5) 使用條件 環(huán)境溫度-30~60℃ 大氣壓86~106Kpa 相對濕度≤95% 2. 控制部分 (1) MK—100B、MK—100B—Z型的控制壓力在0.3~0.6Mpa的范圍以內(nèi),通常按照各種額定壓力值設(shè)定. 相對應(yīng)的報(bào)警和閉鎖值進(jìn)行生產(chǎn),如下表所示. 額定壓力 Mpa 報(bào)警值(補(bǔ)氣值) Mpa 閉鎖值 Mpa 0.3 0.25 0.4 0.35 0.3 0.5 0.45 0.4 0.6 0.55 0.5 (也可按用戶要求供貨) (2)磁助式電接點(diǎn)裝置 工作電壓 380V(交流) 工作電壓 24V 觸頭額定功率 30VA 最大允許電流 1A (3)控制器接線圖如圖2所示: 圖2 驗(yàn)收與保管 (1) 用戶收到裝箱的控制器后,應(yīng)檢查箱體是否完整無損,如有損壞,應(yīng)立即查明原因。 (2) 開箱取出控制器,檢查是否完整無損,產(chǎn)品合格證說明書是否齊全,如有損傷應(yīng)立即通知我廠。 (3) 控制器儲藏與干燥通風(fēng)處,儲藏溫度0~40℃相對濕度≤80%,室內(nèi)空氣不應(yīng)含有對產(chǎn)品零件引起腐蝕作用的介質(zhì)。 安裝與使用 1.控制器必須垂直安裝于設(shè)備的接口上,將控制器殼體上的排氣螺旋帽旋松,使控制器內(nèi)腔與大氣相通以免除對精度的影響。 2.安置時(shí)必須用扳手在接頭部位旋緊控制器,嚴(yán)禁旋轉(zhuǎn)表頭固定。 3.控制器應(yīng)緩慢升壓以防超載損壞。 4.控制器未使用溫度補(bǔ)償器處于非溫補(bǔ)平衡狀態(tài),指針隨環(huán)境溫度的變化而變化,當(dāng)環(huán)境溫度偏離20℃時(shí)每10℃約為0.02Mpa,高于20℃時(shí)為負(fù)向變化,低于20℃時(shí)為正向變化。當(dāng)控制器內(nèi)充入額定壓力值的SF6氣體后,控制器將工作在20℃時(shí)SF6氣體密度和壓力相對應(yīng)的關(guān)系值上。 | 產(chǎn)品圖片 |
SF6密度控制器NMWK-02
額定壓力Mpa | 接線端 | 設(shè)定值Mpa | 切換差Mpa | 重復(fù)性誤差Mpa |
0.6 | 1-2 3-4 | 0.55 0.57 | ≤0.02 | ≤0.01 |
0.6 | 1-2 3-4 | 0.50 0.55 | ≤0.02 | ≤0.01 |
0.3 | 1-2 3-4 | 0.25 0.25 | ≤0.02 | ≤0.01 |
家用溫濕度表|VC-330| VC-230A溫度表|VC-230A| 溫度表|VC-230A| DM-6902溫度表|DM-6902| 溫度表|DM-6902| DM-6801A溫度表|DM-6801A| 溫度表|DM-6801A| VICTOR-6412接地電阻測試儀|VICTOR-6412| 接地電阻測試儀|VICTOR-6412| DM-6052鉗形表|DM-6052| 鉗形表|DM-6052| DM-6051鉗形表|DM-6051| 鉗形表|DM-6051| DM-6050鉗形表|DM-6050| 鉗形表|DM-6050| DM-6266鉗形表|DM-6266| 鉗形表|DM-6266|
SF6密度控制器NMWK-01
額定壓力Mpa | 接線端 | 設(shè)定值Mpa | 切換差Mpa | 重復(fù)性誤差Mpa |
0.6 | 1-2 3-4 | 0.55 0.57 | ≤0.02 | ≤0.01 |
0.6 | 1-2 3-4 | 0.50 0.55 | ≤0.02 | ≤0.01 |
0.3 | 1-2 3-4 | 0.25 0.25 | ≤0.02 | ≤0.01 |
DM-6019鉗形表|DM-6019| 鉗形表|DM-6019| DM-3218鉗形表|DM-3218| 鉗形表|DM-3218| DM-6018A鉗形表|DM-6018A| 鉗形表|DM-6018A| DM-6016A鉗形表|DM-6016A| 鉗形表|DM-6016A| DM-6056C鉗形表|DM-6056C| 鉗形表|DM-6056C| DM-6056A鉗形表|DM-6056A| 鉗形表|DM-6056A| DM-6015F鉗形表|DM-6015F| 鉗形表|DM-6015F| VC-3021指針表|VC-3021| 指針表|VC-3021| VC-3010指針表|VC-3010| 指針表|VC-3010| VICTOR-624數(shù)字電感,電容表|VICTOR-624| 數(shù)字電感 電容表|VICTOR-624|
該SF6氣體密度表主要用于監(jiān)視密封容器SF6氣體的密度,可廣泛應(yīng)用于SF6斷路器、環(huán)網(wǎng)柜、柱上開關(guān)、變壓器和互感器上,且適合于戶外惡劣的外界條件.也適用于測量輸變電網(wǎng)系統(tǒng)中各類似SF6氣體為絕緣介質(zhì)的高壓,中壓SF6負(fù)荷開關(guān),電壓柜等電器設(shè)備中氣體壓力的監(jiān)測,該產(chǎn)品有良好的密封性和準(zhǔn)確性,且廣泛被眾多珠三角、長三角地區(qū)的眾多電力設(shè)備及電網(wǎng)力公司使用,且安裝尺寸可與ABB開關(guān)柜配套。
★主要特點(diǎn):1、該SF6氣體密度表密封性能好,所出產(chǎn)的密度表是通過高端設(shè)備的氦譜儀嚴(yán)格的密封檢測,泄漏率比例≤1×10-8mbar.1/s.2、感溫元件采用進(jìn)口材料,溫度補(bǔ)償范圍大,高精度,性能穩(wěn)定、可靠.3、表盤面板顯示的密度值(20℃時(shí)的相應(yīng)壓力值),刻度盤上標(biāo)示的綠、紅色為不同的工作區(qū)域,不受環(huán)境溫度的變化.4、外殼為優(yōu)質(zhì)不銹鋼啞光材質(zhì),永不生銹,大氣美觀.5、使用安全,維護(hù)方便,安裝方式較靈活.6、具有較高的性能價(jià)格比,為普通SF6壓力表的更換產(chǎn)品。★主要特點(diǎn):1、該SF6氣體密度表密封性能好,所出產(chǎn)的密度表是通過高端設(shè)備的氦譜儀嚴(yán)格的密封檢測,泄漏率比例≤1×10-8mbar.1/s.2、感溫元件采用進(jìn)口材料,溫度補(bǔ)償范圍大,高精度,性能穩(wěn)定、可靠.3、表盤面板顯示的密度值(20℃時(shí)的相應(yīng)壓力值),刻度盤上標(biāo)示的綠、紅色為不同的工作區(qū)域,不受環(huán)境溫度的變化.4、外殼為優(yōu)質(zhì)不銹鋼啞光材質(zhì),永不生銹,大氣美觀.5、使用安全,維護(hù)方便,安裝方式較靈活.6、具有較高的性能價(jià)格比,為普通SF6壓力表的更換產(chǎn)品。★主要特點(diǎn):1、該SF6氣體密度表密封性能好,所出產(chǎn)的密度表是通過高端設(shè)備的氦譜儀嚴(yán)格的密封檢測,泄漏率比例≤1×10-8mbar.1/s.2、感溫元件采用進(jìn)口材料,溫度補(bǔ)償范圍大,高精度,性能穩(wěn)定、可靠.3、表盤面板顯示的密度值(20℃時(shí)的相應(yīng)壓力值),刻度盤上標(biāo)示的綠、紅色為不同的工作區(qū)域,不受環(huán)境溫度的變化.4、外殼為優(yōu)質(zhì)不銹鋼啞光材質(zhì),永不生銹,大氣美觀.5、使用安全,維護(hù)方便,安裝方式較靈活.6、具有較高的性能價(jià)格比,為普通SF6壓力表的更換產(chǎn)品。