產(chǎn)品名稱: 日本孔雀PEACOCK厚度計產(chǎn)品型號: G-6C, G-7C
孔雀厚度計的詳細介紹
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湖北煌燚工貿(mào)有限公司位于中國第二大汽配基地---十堰,緊鄰武當山。 公司主營柴油、天然氣發(fā)動機總成機器配件,經(jīng)營產(chǎn)品范圍包括康明斯B、C、L、LK系列機械式柴油機和ISB、ISDe、QSB、ISLe、ISL、QSL、ISZ、QSZ等系列電控柴油發(fā)動機,以及B、C、L系列天然氣發(fā)動機,發(fā)動機排量包含2.8L,3.8L,3.9L、4.5L、5.9L、6.7L、8.3L、8.9L、9.5L、13L,功率覆蓋范圍為80-680馬力。 公司主要產(chǎn)品分類:1.康明斯發(fā)動機總成2.東風康明斯發(fā)動機配件(B3.3/4B3.9/ 6B5.9/6C8.3/6L8.9/ISBe/ISCe/ISDe/ISLe)3.重慶康明斯發(fā)動機配件(Kta19/ Kta38/ Kta50/ Nt855)4.西安康明斯發(fā)動機配件(ISM/QSM)5.福田康明斯發(fā)動機配件(ISF2.8, ISF3.8)6.弗列加濾清器7.博世噴油器、燃油泵等系列 我們的產(chǎn)品滿足車用國III、國IV排放法規(guī)及非車用第一階段、第二階段、歐美Tier 3/Stage IIIA排放法規(guī),廣泛應(yīng)用于輕、中、重型載重汽車、中高級城際客車、大中型公交客車、工程機械、船用主輔機、發(fā)電機組等領(lǐng)域。
我公司一直秉承著“質(zhì)量為本,信譽第一,服務(wù)至上”的企業(yè)理念,誠實守信,為每一位為客戶提供優(yōu)質(zhì)的產(chǎn)品和服務(wù)。 有需要康明斯QSL9 ISLE發(fā)動機 東風康明斯配件 機油壓力傳感器4921517 的用戶,請聯(lián)系湖北煌燚工貿(mào)有限公司,謝謝! 聯(lián)系方式 電話:00(86) 719 8316807 Fax.:00(86) 719 8368744 手機:00(86) 18972501529 微信:18972501529 QQ:3386263331 郵箱:yxgm@yxgmcn.com 網(wǎng)址.:www.yxgmcn.com www.cumminsxcec.com
快速卷門,專門為空間狹小的物流通道設(shè)計,內(nèi)置型馬達不占用安裝空間,滿足特殊場地需要。門簾由較輕的織物及鋁制抗風肋條組成,提升速度快、安全可靠,出入方便。
ML1665 FAR 25.853a(i) compliant. Passes 60 s vertical burn test at 60 mils. Opaque colors only.ML4248 FAR 25.853a(i) compliant. Passes 60 s vertical burn test at 60 mils. Transparent, transluscent and opaque colors.ML4249 FAR 25.853a(i) compliant. Passes 60 s vertical burn at 60 mils. Transparent, transluscent and opaque colors.ML4506 FAR 25.853a(ii) compliant. Passes 12 vertical burn test at 60 milsML4539 FAR 25.853a(i) compliant. Passes 60 s vertical burn test at 60 mils. Opaque colors.ML4588 Extrusion and extrusion blowmolding grade for aircraft applications. Meets FAR 25.853 (60 seconds/30 mils).ML6076 Passes FAR 25.853: 60 seconds at 30 mil.FST Grades DescriptionFST9705 High visocisty PC Copolymer, OSU 55/55 compliant, low smoke, flame retardant resinGeneral Purpose Unfilled FR Grades Description201 7.0 MFR, for thicker sections without sinks. Improved flame retardance.203 7.0 MFR, for thicker sections without sinks. Improved flame retardance. UV stabilized for outdoor and lighting.221 17.5 MFR, for small, intricate parts. Improved flame retardance.241 10.5 MFR. Improved flame retardance.243 10.5 MFR. UV-stabilized. Improved flame retardance.303 Clear, high viscosity material designed to service severe environments of HID lighting.920 Opaque colors, low viscosity, superior flame retardance.920A Low viscosity injection moldable, flame retardant PC. Exceptional surface appearance. Clear, tints and opaque colors.920ASR More robust design of standard 900 series flame retardant grade. Internal mold release.923 Opaque colors, low viscosity, superior flame retardance. Decreased smoke and lowered toxic gas emission. UV-stabilized.923A Low viscosity, flame retardant with exceptional surface. Clear, tints and opaque colors. UV-stabilized.923ASR More robust design of standard 900 series flame retardant grade. Internal mold release. UV-stabilized.940 Opaque colors, medium viscosity, superior flame retardance.940A Medium viscosity, flame retardant PC. Exceptional surface. Clear, tints and opaque colors.940ASR More robust design of standard 900 series flame retardant grade. Internal mold release.943 Opaque colors, medium viscosity, superior flame retardance. UV-stabilized.943A Medium viscosity, superior flame retardance. UV-Stabilized. Clear, tints and opaque colors.943ASR More robust design of standard 900 series flame retardant grade. Internal mold release. UV-stabilized.950 Opaque colors, high viscosity, superior flame retardance.950A Transparent, clear and colors, high viscosity, flame retardant with exceptional surface.953 Opaque colors, high viscosity, superior flame retardance. UV-stabilized.953A Clear, tints and opaque colors, high viscosity, flame retardant with exceptional surface. UV-stabilized.ML4189 General Purpose PC. Flame retardant. Extra internal mold release.General Purpose Unfilled Grades Description121 Nonhalogenated. 17.5 MFR, for small intricate parts.121R Nonhalogenated. 17.5 MFR, for small, intricate parts. Internal mold release.121S Nonhalogenated. 17.5 MFR, for small, intricate parts. Extra internal mold release.DatasheetProduct Data:Auto Data:123 Nonhalogenated. 17.5 MFR, for small, intricate parts. UV stabilized.123R Nonhalogenated. 17.5 MFR, for small, intricate parts. UV stabilized. Internal mold release.123S Nonhalogenated. 17.5 MFR, for small, intricate parts. UV stabilized. 50% more internal mold release than LEXAN 123R.141 Nonhalogenated. 10.5 MFR.141R Nonhalogenated. 10.5 MFR. Internal mold release.141S Nonhalogenated. 10.5 MFR. Internal mold release.143 Nonhalogenated. 10.5 MFR. UV-stabilized.143R Nonhalogenated. 10.5 MFR. UV-stabilized. Internal mold release.143S Nonhalogenated. 10.5 MFR. Extra internal mold release.201R 7.0 MFR, for thicker sections without sinks. Improved flame retardance. Internal mold release.203R 7.0 MFR, for thicker sections without sinks. Improved flame retardance. UV stabilized for outdoor and lighting. Internal mold release.221R 17.5 MFR, for small, intricate parts. Improved flame retardance. Internal mold release.223R 17.5 MFR, for small, intricate parts. Improved flame retardance. Internal mold release. UV stabilized.241R 10.5 MFR. Improved flame retardance. Internal mold release.243R 10.5 MFR. UV-stabilized. Improved flame retardance. Internal mold release.EM1210 Automotive interiors. Excellent heat/impact resistance and outstanding property retention over wide temperature range/severe automotive conditionsEM2212 Automotive interiors. 10% glass-reinforced. Increased stiffness/structural ridigity. High modulus/ductile. Foamed skin instrument panel uses also.EM3110 Automotive interiors. Optimizes flow/processability for cost effective thinner wall design uses.EM3110R Automotive interiors. Optimizes flow/processability for cost effective thinner wall design uses. Internal mold release.HF1110 General purpose grade. Good clarity, heat resistance, property retention and dimensional stability.HF1110R High flow grade. Easy mold release version of LEXAN HF1110. For thin wall lighting lenses, data storage components and safety eyewear lenses.HF1130 UV-stabilized. Good clarity, heat resistance, property retention and dimensional stability.LI1813R Low-viscosity multi-purpose PC having low levels of ionics species. Internal mold release and UV-stabilized.LI1911R Low-viscosity multi-purpose PC having low levels of ionics species. Internal mold release.ML3729 PC, Mold Release, UV-Stabilizer, Heat Stabilized,ML6018 Impact modified PC. Use in the telecommunications market.ML6608 High flow; FDA compliant (check color limitations); superior mold release.
磷酸三鈣(TCP)英文名稱:Calcium Phosphate Tribasic中文別名:磷酸鈣;磷酸鈣鹽(2:3);三堿式磷酸鈣;原磷酸鈣;脫氟磷酸鈣;沉淀磷酸鈣;活性磷酸鈣CAS:10103-46-5分子式:Ca3(PO4)2,分子量:310.18物化性質(zhì):白色無定形粉末,無刺激氣味。相對密度3.18。難溶于水,易溶于稀鹽酸。在空氣中穩(wěn)定?偭祝≒)≥17.0%氟 (F)≤0.03%砷 (As)≤0.002%鎘(Cd≤0.001%重金屬(以Pb計)Heavy Metals(Pb)≤0.003%干燥失重 Loss on drying≤8.0%細度60目(通過0.28mm標準篩)≥90%用途:在食品工業(yè)中作抗結(jié)劑、營養(yǎng)培補劑(強化鈣)、PH值調(diào)節(jié)劑、緩沖劑等。如作面粉抗結(jié)劑(分散劑)、奶粉、糖果、布丁、調(diào)味品、肉類添加劑, 動物油精煉助劑、酵母食料等。標準:企業(yè)標準含量(以Ca計): 40.0-43.5%包裝:內(nèi)襯塑料袋,外套涂塑編織袋包裝,凈重25kg/袋貯存與運輸:本品應(yīng)儲存于干燥通風庫房中,運輸過程中防止雨淋受潮。裝卸時輕裝輕放,防止包裝破損,防止受潮,存放時與有毒物品分開存放。保質(zhì)期:在符合運輸,儲存條件下,保質(zhì)期為48個月。
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CD194電流表,CD194電流表價格,求購CD194電流表,山東CD194電流表
外形尺寸96mm×48mm×112mm,面板嵌入式安裝,開口尺寸 91mm×45mm CD194I-5X1 數(shù)碼顯示0.5級,正4位顯示 單相交流電流表 CD195I-5X1 數(shù)碼顯示0.5級,正4位顯示 直流電流表 CD194I-5X5 循環(huán)數(shù)碼顯示0.5級,正4位顯示 三相交流電流表 CD194U-5X1 數(shù)碼顯示0.5級,正4位顯示 單相交流電壓表 CD195U-5X1 數(shù)碼顯示0.5級,正4位顯示 直流電壓表 CD194U-5X5 循環(huán)數(shù)碼顯示0.5級,正4位顯示 三相交流電壓表 CD194P-5X1 數(shù)碼顯示0.5級,5位顯示,位符號位 三相三線有功功率表 CD194Q-5X1 數(shù)碼顯示0.5級,5位顯示,位符號位 三相三線無功功率表 CD194F-5X1 數(shù)碼顯示0.1級,正4位顯示 單相工頻頻率表 CD194H-5X1 數(shù)碼顯示0.5級,正4位顯示,指示燈指示感性和容性單(三)相功率因數(shù)表 外形尺寸80mm×80mm×76mm,面板嵌入式安裝,開口尺寸 76mm×76mm CD194I-3X1 數(shù)碼顯示0.5級,正4位顯示 單相交流電流表 CD195I-3X1 數(shù)碼顯示0.5級,正4位顯示 直流電流表 CD194I-3X4 三排數(shù)碼同時顯示0.5級,正4位顯示 三相交流電流表 CD194I-3X5 循環(huán)數(shù)碼顯示0.5級,正4位顯示 三相交流電流表 CD194U-3X1 數(shù)碼顯示0.5級,正4位顯示 單相交流電壓表 CD195U-3X1 數(shù)碼顯示0.5級,正4位顯示 直流電壓表 CD194U-3X4 三排數(shù)碼同時顯示0.5級,正4位顯示 三相交流電壓表 CD194U-3X5 循環(huán)數(shù)碼顯示0.5級,正4位顯示 三相交流電壓表 CD194P-3X1 數(shù)碼顯示0.5級,5位顯示,位符號位 三相三線有功功率表 CD194Q-3X1 數(shù)碼顯示0.5級,5位顯示,位符號位 三相三線無功功率表 CD194F-3X1 數(shù)碼顯示0.1級,正4位顯示 單相工頻頻率表 CD194H-3X1 數(shù)碼顯示0.5級,正4位顯示,指示燈指示感性和容性單(三)相功率因數(shù)表 外形尺寸72mm×72mm×74mm,面板嵌入式安裝,開口尺寸 67mm×67mm CD194I-AX1 數(shù)碼顯示0.5級,正4位顯示 單相交流電流表 CD195I-AX1 數(shù)碼顯示0.5級,正4位顯示 直流電流表 CD194I-AX4 三排數(shù)碼同時顯示0.5級,正4位顯示 三相交流電流表 CD194I-AX5 循環(huán)數(shù)碼顯示0.5級,正4位顯示 三相交流電流表 CD194U-AX1 數(shù)碼顯示0.5級,正4位顯示 單相交流電壓表 CD195U-AX1 數(shù)碼顯示0.5級,正4位顯示 直流電壓表 CD194U-AX4 三排數(shù)碼同時顯示0.5級,正4位顯示 三相交流電壓表 CD194U-AX5 循環(huán)數(shù)碼顯示0.5級,正4位顯示 三相交流電壓表 CD194P-AX1 數(shù)碼顯示0.5級,5位顯示,位符號位 三相三線有功功率表 CD194Q-AX1 數(shù)碼顯示0.5級,5位顯示,位符號位 三相三線無功功率表 CD194F-AX1 數(shù)碼顯示0.1級,正4位顯示 單相工頻頻率表 CD194H-AX1 數(shù)碼顯示0.5級,正4位顯示,指示燈指示感性和容性單(三)相功率因數(shù)表
產(chǎn)品簡介PA194-CD194I-1X1/2X1/3X1/4X1/5X1/9X1/BX1/CX1,CD194I-1X1,CD195I-1X1,CD194U-1X1,CD195U-1X1,CD194P-1X1,CD194Q-1X1,CD194F-1X1,CD194H-1X1,CD194D-1X1,CD194I-1X2,CD195I-1X2,CD194U-1X2,CD195U-1X2,CD194P-1X2,CD194Q-1X2,CD194F-1X2,CD195I-1X8,CD195U-1X8,CD194P-1X8,CD194Q-1X8,CD194I-1X3,CD194U-1X3 CD194I-2X1 CD195I-2X1 CD194U-2X1 CD195U-2X1 CD194P-2X1 CD194Q-2X1 CD194F-2X1 CD194H-2X1 CD194D-2X1 CD194I-2X2 CD195I-2X2 CD194U-2X2 CD195U-2X2 CD194P-2X2 CD194Q-2X2 CD194F-2X2 CD194I-2X3 CD194U-2X3 CD194U-2X7 CD194I-2X4 CD194U-2X4 CD195I-2X8 CD195U-2X8 CD194P-2X8 CD194Q-2X8 CD194I-3X1 CD195I-3X1 CD194U-3X1 CD195U-3X1 CD194P-3X1 CD194Q-3X1 CD194F-3X1 CD194H-3X1 CD194D-3X1 CD194I-3X2 CD195I-3X2 CD194U-3X2 CD195U-3X2 CD194P-3X2 CD194Q-3X2 CD194I-4X1 CD195I-4X1 CD194U-4X1 CD195U-4X1 CD194P-4X1 CD194Q-4X1 CD194F-4X1 CD194H-4X1 CD194D-4X1 CD194I-AX1 CD195I-AX1 CCD194E-2S4,CD194E-2S9,CD194E-2S7,CD194E-9S4,CD194E-9S7,CD194E-9S9,S6系列多功能電表,CL46-DI 直流電流表,4I-2D2 CD194U-2D2 CD194P-2D2 CD194I-2D3 CD194U-2D3 CD194I-2D4 CD194U-2D4 CD194P-2D4 CD194I-1S1 CD195I-1S1 CD194U-1S1 CD195U-1S1 CD194P-1S1 CD194Q-1S1 CD194H-1S1 CD194F-1S1 CD194D-1S1 CD194I-2S1 CD195I-2S1 CD194U-2S1 CD195U-2S1 CD194P-2S1 CD194Q-2S1 CD194H-2S1 CD194F-2S1 CD194D-2S1 CD194I-4S1 CD195I-4S1 CD194U-4S1 CD195U-4S1 CD194P-4S1 CD194Q-4S1 CD194H-4S1 CD194F-4S1 CD194D-4S1 CD194I-BS1 CD195I-BS1 CD194U-BS1 CD195U-BS1 CD194P-BS1 CD194Q-BS1 CD194E-2S4 CD194E-2S9 CD194E-2S7D194U-AX1 CD195U-AX1 CD194P-AX1 CD194Q-AX1 CD194F-AX1 CD194H-AX1 CD194D-AX1 CD194I-AX2 CD195I-AX2 CD194U-AX2 CD195U-AX2 CD194P-AX2 CD194Q-AX2 CD194I-DX1 CD195I-DX1 CD194U-DX1 CD195U-DX1 CD194I-5X1 CD195I-5X1 CD194U-5X1 CD195U-5X1 CD194P-5X1 CD194Q-5X1 CD194F-5X1 CD194H-5X1 CD194D-5X1 CD194I-9X1 CD195I-9X1 CD194U-9X1 CD195U-9X1 CD194P-9X1 CD194Q-9X1 CD194F-9X1 CD194H-9X1 CD194D-9X1 CD194I-9X4 CD194U-9X4 CD194I-BX1 CD195I-BX1 CD194U-BX1 CD195U-BX1 CD194P-BX1 CD194Q-BX1 CD194F-BX1 CD194H-BX1 CD194D-BX1 CD194I-CX1 CD195I-CX1 CD194U-CX1 CD195U-CX1 CD194P-CX1 CD194Q-CX1 CD194F-CX1 CD194H-CX1 CD194D-CX1 CD194I-CX2 CD195I-CX2 CD194U-CX2 CD195U-CX2 CD194P-CX2 CD194Q-CX2 CD194F-CX2 BS4I-N BS4U-N BS4I(CD194I-7B0) BS5I(CD195I-7B0) BS4U(CD194U-7B0) BS5U(CD195U-7B0) BS4I3 BS4U3 BS5U-G BS4P(CD194P-1B0) BS4Q(CD194Q-1B0) BS4P-Y BS4Q-Y BS4P/Q4 BS4H BS4F(CD194F-9B0) BS4E4 CD194I-1D1 CD194U-1D1 CD194P-1D1 CD194I-1D2 CD194U-1D2 CD194P-1D2 CD194I-1D3 CD194U-1D3 CD194I-1D5 CD194U-1D5 CD194P-1D5 CD194I-1D6 CD194U-1D6 CD194P-1D6 CD19,PZ194-AX1T,PA194-1X1,PD194-1K1,PA194-2X4直流電流電壓表型號:CD194I—5X1,CD194U-5X1CD195I-5X1,CD195U-5X1外型尺寸:48×96×112開孔尺寸:92×44精度:0.2級,0.5級(2交流/直流電流電壓表型號:CD194I—AX1,CD194U-AX1CD195I-AX1,CD195U-AX1外型尺寸:72×72×122開孔尺寸:67×67精度:0.2級,0.5級(5)交流/直流電流電壓表型號:CD194I—9X1,CD194U-9X1CD195I-9X1,CD195U-9X1外型尺寸:96×96×122開孔尺寸:92×92精度:0.2級,0.5級(6)交流/直流電流電壓表型號:CD194I—DX1,CD194U-DX1CD195I-DX1,CD195U-DX1外型尺寸:48*48*105開孔尺寸:44.5*44.5精度:0.2級,0.5級(5)三數(shù)顯交流電流電壓表型號:CD194U—2X4,CD194I—2X4外型尺寸:120*120*80開孔尺寸:112*112
濟南青島濱州德州東營菏澤濟寧萊蕪聊城臨沂萊州龍口日照泰安泰山滕州威海濰坊煙臺棗莊淄博鄒城電流電壓表
山西太原大同長治侯馬晉城晉中介休臨汾呂梁平遙朔州五臺山忻州陽泉運城榆次原平電流電壓表
臺灣ECE(儀辰)油壓式萬向磁性表座的詳細介紹 | ||||
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specbos 1201 can be used for measurements in Irradiance mode as well as in Radiance mode with measuring diameters beginning from 4 mm. The special model specbos 1201 focus can measure diameters of 3 mm, 1 mm and 0.5 mm in radiance mode. Furthermore the model specbos 1201 flash is available. It measures pulsed sources, both single and continously flashed, in Irradiance mode.
Measuring values:
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Advantages
| Applications
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Optical Parameters | |
Spectral range | 380 nm .. 780 nm |
Wavelength resolution (FWHM) | 5 nm |
Calculated wavelength step | 1 nm |
Digital electronic resolution | 16 Bit ADC (15 Bit used) |
Viewing angle (luminance mode) | 1.8° |
Measuring distance/ diameter | 20 cm - Ø 6 mm; 100 cm - Ø 31 mm (luminance mode) |
Measuring values | Spectral radiance; Total luminance/ total radiance; Total illuminance/ total irradiance; Chromaticity coordinates x,y; u',v'; Correlated Color Temperature, color purity; Color Rendering Index; Circadian metrics, Photosynthetically Active Radiation |
Measuring range and accuracies | |
Measuring range luminance | 2 ... 7×104 cd/m2 (higher values with optional filter) |
Measuring range illuminance | 20 ... 5×105 lx |
Luminance accuracy | ± 2 % (@ 100 cd/m2 and illuminant A) |
Luminance reproducibility | ± 1 % |
Chromaticity accuracy | ± 0.002 x, y (@ illuminant A) |
Color reproducibility | ± 0.0005 x, y |
CCT reproducibility | ± 20 K (@ illuminant A) |
Wavelength accuracy | ± 0.5 nm |
Technical Parameters | |
Dispersive element | Imaging grating (flat field) |
Light receiving element | Photodiode array 1024 pixel (binned) |
Power supply | USB powered |
PC interface | USB 2.0 fullspeed |
Dimensions (drawing) | 140 mm x 58 mm x 34 mm |
Weight | 350 g |
Operating conditions | Temperature 10 ... 40 °C Humidity 85 % relativ humidity at 35 °C |
Miscellaneous | |
All inclusive accessories packet | Cosine corrector head-piece Tripod Transport box PC software JETI LiVal JETI SDK LabVIEW VI's (Virtual Instruments) Short instructions Operating instructions (digital) and firmware commands (digital) USB cable Trigger connector |
Calibration | NIST traceable |
Recommended recalibration interval | 1 year |
建恒DCT1288便攜式超聲波流量計是一款應(yīng)用廣泛、運用藍牙無線技術(shù)操作的時差式超聲波流量計。它小巧、輕便、可充電電池及通用型電源的設(shè)計使您隨時隨地實現(xiàn)管道測量。它采用了的數(shù)字相關(guān)技術(shù)和智能自適應(yīng)聲波技術(shù),使它的測量穩(wěn)定性更加突出。同時它采用了聲聚焦專利技術(shù),使它在連續(xù)測量的信號接收與品質(zhì)上得到顯著增強。 建恒DCT1288便攜式超聲波流量計由變送器、傳感器、系列智能手機三部分組成。磁吸式外夾探頭安裝簡單,可吸附在帶有磁性的金屬材質(zhì)管上進行流量。通過藍牙無線遠程操作,特別適用于有毒、強腐蝕介質(zhì)架空管線以及各種耐壓要求的現(xiàn)場流量檢測。 建恒DCT1288便攜式超聲波流量計配備的PLAM智能手機獨立菜單操作,多功能智能手機通過圖形和文字的形式顯示測量數(shù)據(jù)。在數(shù)據(jù)采集的過程中,可以顯示實時測量數(shù)據(jù)和儀表記錄的數(shù)據(jù),測量的結(jié)果可以顯示在顯示屏上,用于現(xiàn)場觀察數(shù)據(jù) 及變化趨勢。 SD卡存儲 提高產(chǎn)品測量的可信度變送器與智能手機同時配有SD卡海量存儲器,可記錄每時每刻的流量數(shù)據(jù)變化 (記錄長達512天歷史數(shù)據(jù)),大大提高了累積量數(shù)據(jù)的可信度。 快速、簡便、易于使用建恒DCT1288便攜式超聲波流量計采用外夾式安裝,在變送器菜單中輸入現(xiàn)場管徑大小、管壁厚、管材、測量介質(zhì)、探頭安裝方式,即可測算出探頭安裝距離進行安裝。完成產(chǎn)品電氣連接后即可進行測量工作。即使是次使用,也可輕松實現(xiàn)測量。 特點:磁吸式外夾安裝,簡單方便小巧、輕便、易于使用數(shù)字和圖形顯示藍牙無線操作正負流量測量,累積流量 SD卡功能,880萬組數(shù)據(jù)存儲測量管徑范圍:DN25~DN5000