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Digital Video Recorder DVR,China Digital Video Recorder DVR

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Digital
120 result(s) for Digital Video Recorder DVR  
    2. 4-Valve Manifold Gauge with Digital Guages, Piston Valve at two Ends and Diapgragm Valve in the middle SFB-2
    3. 4-Valve Manifold Gauge with Digital Guages, Piston Valve at two Ends and Diapgragm Valve in the middle SFB-2Digital GaugesSuitable for R-12 /R-22 /R-134A/ R-407C /R-502/R-507/R410A/R404A "Dynamic Off-set" bargraph clearly shows modulation of control valvesAuto zero key eliminates manual recalibrationIncludes vacuum readings at low side Easy to read LCD screen with 4 large digitsLCD holds all the time with low battery indicator to preserve battery life: Upgradeable for new and additional refr
    2. Digital Vacuum Gauge
    3. Digital Vacuum Gauge Advanced field-cleanable sensor is able to withstand 400 psi of positive pressure. Chemical Resistance It works in temperature from -20 to 80 (-4oF to 176oF) and moisture from 5% to 95% with accuracy 1% & 0.01% (0.1kPa & 0.0001kPa least resolution)LCD holds all the time with low battery indicator to preserve battery life. Automatic temperature compensation within -20 to 80(-4oF to 176oF)Reads in mbar, inHg, mmHg, microns, torr, psi Instant-on button. See the VA11
    2. Digital Gauge
    3. Digital Gauge Advanced, durable tool for the professional technician It works with 8 common refrigerants: R12, R22, R502, R507, R134A, R404A, 407C, R410a Digital Refrigeration System Analyzer (D.R.S.A.) reaches accuracy 0.5% F.S. Dynamic Off-set bar graph clearly shows modulation of control valves Read in inHg, mmHg, Kpa, Kgf/cm2, mbar, bar, Psi. Auto zero key eliminates manual recalibration Includes vacuum readings at low side. LCD holds all the time with low battery indicator to preserve b
    2. Digital Multimeter
    3. Digital Multimeter Name: 96 Three Sets Digital AC Panel Voltmeter Model: SA-D96 AC V (3sets) Display: 4 digits LED display. Accuracy: 0.5% 2 digits. Auxiliary power: AC 110V 10% 50/60Hz or 220V 10% 50/60Hz. Input signal: AC voltage 600V. It must be connected by a suitable potential transformer if the voltage is more than 600VAC. Measuring range display: It is selectable from 1.00 to 9000. Consumption: <3VA. Operating environment: Temperature 0 ~ 40, humidity 70%. Withstand voltage sur
    2. Digital Power Meter
    3. Digital Power Meter Name: 96 Digital Single Phase Power Panel Meter, 96 Digital Three Phase Power Panel Meter.Model: SA-D96 W 1P, SA-D96 W 3PDisplay: 3 1/2 digits LED display. Accuracy: 1.0% 2 digits. Auxiliary power: AC 110V 10% 50/60Hz or 220V 10% 50/60Hz. Input signal: AC current 0-1A or 0-5A, It must be connected by suitable AC current transformer if the current is more than 5A. AC Voltage 110V or 220V, AC voltage 220V or 380V.Measuring range: Max 1999.Consumption: <3VA. Operating
    2. Digital Power Factor Meter
    3. Digital Power Factor Meter Digital Power Factor MeterName: 96 Digital Power Factor Meter Model: SA-D96 COS Display: 3 digits LED display.Accuracy: 1.0% 2 digits.Auxiliary power: 3 Phase 110V 10% 50/60Hz or 380V 10% 50/60Hz.Input signal: 3 Phase AC 110V 10% 50/60Hz or 380V 10% 50/60Hz, andAC 0-1A or 0-5A. Measuring range: 0.4cap-0.99-0.4ind.Consumption: <3VA.Operating environment: Temperature 0 ~ 40, humidity70%. Withstand voltage surge: Over 2000V. Outer size of the digital powe
    2. Digital Frequency Meter
    3. Digital Frequency Meter Digital Frequency MeterName: 96 Digital Frequency Meter Model: SA-D96 Hz Display: 4 digits LED display. Accuracy: 0.5% 2 digits. Auxiliary power: AC 110V 10% 50/60Hz or 220V 10% 50/60Hz. Input signal: AC 0-50V or 50-500V.Measuring range: 1.0-999.9 Hz. Consumption: <3VA. Operating environment: Temperature 0~ 40, humidity70%. Withstand voltage surge: Over 2000V. Outer size of the digital frequency meter: 96x96mm or 72x72mm As a specialized digital frequency met
    2. Digital Voltmeter
    3. Digital Voltmeter Digital Voltmeter Name: 96 Digital AC VoltmeterModel: SA-D96V ACDisplay: 3 1/2 digits LEDdisplay.Accuracy: 0.5% 2 digits.Auxiliary power: AC 110V 10% 50/60Hz or 220V 10% 50/60Hz. Input signal: AC voltage. Measuring range: 0-600V AC, for the voltage over 600V can use the voltagetransformer. Consumption: < 3VA. Operating environment: Temperature 0 ~ 40, humidity70%. Withstand voltage surge: Over 2000V. Outer size of digital voltmeter: 96x96mm or 72x72mmSalzeris a pri
    2. Digital Ammeter
    3. Digital Ammeter Digital Ammeter Name:96 Digital AC Ammeter Model: SA-D96A AC Display: 3 1/2 digits LED display. Accuracy: 0.5% 2 digits. Auxiliary power: AC 110V 10%50/60Hz or 220V 10% 50/60Hz.Input signal: AC current. Measuring range: 0-5A AC, for the current over 5A can use the AC current transformer. Consumption: <3VA. Operating environment: Temperature0~ 40, humidity70%.Withstand voltage surge: Over 2000V.Outer size of the digital ammeter:96x96mm Name: 72 DigitalAC Ammeter Mod
    2. Digital Panel Meter
    3. Digital Panel Meter DigitalPanel MeterA digital panel meter iswidely used in electric power grid and automation control systems for measuringand displaying electrical parameters such as current, voltage, power, frequencyand power factor. Having the advantages of high accuracy, great stability andvibration resistance, the digital panel meter is increasingly used to replace traditional analog panel meter. Salzer is an experienced digital panel metermanufacturer based in China.Our company p
    2. Digital SNR Self-Adjuster PC1028D,PC-link PA System
    3. Digital SNR Self-Adjuster PC1028D,PC-link PA SystemDigital SNR Self-Adjuster PC1028D,PC-link PA SystemFEATURES : 1. It can monitor the sound signals against the noise in a public place.2. In case the noise is too loud to hear the speaker, it can respond the signal-to-noise ratio to the amplifier to make a louder or smaller sound output automatically.3. The detailed LED displays.SPECIFICATIONS : Frequency Response20Hz-20kHz(3dB)S/N Ratio80dBTHD0.05%Output Level0dBVProtectionAC fuse1(220V:F0.6AL,1
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