Todays deals on Voltage Monitor?

ADVANTEST R6243 DC VOLTAGE CURRENT SOURCE/MONITOR NEW. $2,888.00

ADVANTEST R6244 DC VOLTAGE CURRENT SOURCE/MONITOR NEW. $2,888.00

ADVANTEST R6243 DC VOLTAGE CURRENT SOURCE/MONITOR NEW. $2,888.00

Allen-Bradley 813S-VOB Line Voltage Monitor relay *NEW* $1,499.00

ALLEN BRADLEY 813S-VOA LINE VOLTAGE MONITOR RELAY ***NNB*** $1,099.00

NIB Allen Bradley Line Voltage Monitor Relay 813S-VOH $875.00

HP Hewlett Packard 41424A Module Voltage Sorce/Voltage Monitor $800.00

Liebert Power Line Voltage Deviation Monitor – 3600A $750.00

Lot of 600+ Maxim MAX811TEUS+T 4-Pin μP Voltage Monitors with Manual Reset Input $600.00

Ideal 61-830 VOLTAGE PERFORMANCE MONITOR $514.59

LOT OF 4 PHOENIX CURRENT MONITOR VOLTAGE RELAY EMD-FL-C-10 USED $475.00

NEW DIGITAL 10KV AC/DC HIGH VOLT/VOLTAGE METER,MONITOR,TESTER,HIPOT $357.00

STABLINE AC VOLTAGE MONITOR VMS400/VMS410 SERIES $400.00

GEC Measurements Type MVAG 21 Voltage Monitoring Relay $350.00

Siemens Furnas 47VA32G Voltage Monitor $350.00

Hydria Lineman LM-5 Voltage Monitor 460vac $350.00

NEW IN THE BOX Ideal 61-830 Voltage Performance Monitor $349.95

Agilent VXI MainFrame Voltage Monitor Model CT-400 CT400 Used Condition $225.00

ISI Robotics Voltage Monitor Board A6A47-1I USED $267.00

SSAC PLMU11 3 PHASE 200-240VAC VOLTAGE MONITOR+ % DELAY $249.00

PILZ PU3Z 120-240VAC Relay Voltage Safety Monitor *XLNT* $229.95

Zero Voltage Monitor ZVM-6000 FREE SHIPPING $203.00

Zero Voltage Monitor ZVM-6000 FREE SHIPPING $203.00

2ea SSAC PLM6405 (PC390) Adjt. 3-phase Voltage Monitor $199.99

High Voltage Monitor Multiplexer for DVM–100 $199.99

CONFLICT/VOLTAGE MONITORS – ASSORTED (LOT OF4) $150.00

Telemetric TVM3 Voltage Monitor 120V NEW $175.00

(New) SSAC 3-Phase Voltage Monitor WVM911AL $175.00

IDEAL 61-830 Voltage Performance Monitor $179.95

SUPERIOR ELECTRIC VMP300 STABILINE AC VOLTAGE MONITOR $150.00

Hydria Lineman LM-5 Voltage Monitor 460vac $175.00

COMAT SSU33L/AC 400V 3 phase Voltage Monitoring Relay $150.00

RK ELECTRONICS/R&K ZVM-6000 ZERO VOLTAGE MONITOR ***XLNT*** $159.00

NEW TURCK JBBS-57-E811 HUB WITH VOLTAGE MONITOR DEVICENET BUS INTERFACE $167.99

R-K ZERO VOLTAGE MONITOR ZVS-120A-A1C $149.95

# 2681 TIME MARK VOLTAGE BAND MONITOR 240 VAC $150.00

USED Pilz PNOZ X11P Voltage Monitor Safety Relay $150.00

IDEAL 61-830 Voltage Performance Monitor Meter Excellent Used Condition $129.00

SSAC PLM6405(PC390) 3 PHASE 200-240VAC VOLTAGE MONITOR $129.90

TELE G2UM300VL20 230VAC Voltage Monitor MULTI FUN Relay $120.00

(2) ICM450C PROGRAMMABLE 3-PHRASE LINE VOLTAGE MONITORS RETAILS $215.00 A PIECE $125.00

New Totaline P251-0090 3 Phase Voltage Line Monitor $129.95

ICM 400 THREE PHASE VOLTAGE MONITOR $125.90

Interlink BT InterlinkBT JBBS 57-E811 Bus Stop Hub with Voltage Monitor/Cable $119.89

New Furnas 47VA32H Under Voltage Monitor 3 Phase $125.00

3450-001 ROBERTSHAW MOTOR PROTECTOR WITH TIME DELAY AND LOW VOLTAGE MONITORING $120.00

1 ABB DLM911 VOLTAGE MONITOR Q6-8 $99.99

Diversified Electronics Current Band Monitor CBA-120-ALE-20 120 V Supply Voltage $95.00

NEW Asco 3 Phase Under Voltage Monitor 214A293 480v; 456v pickup, 408v dropout $95.00

ALLEN BRADLEY LINE VOLTAGE MONITOR RELAY (813S-V0H) NEW $95.00

1 SSAC PLM6405 VOLTAGE MONITOR M6-2 $89.99

3-PHASE LINE VOLTAGE MONITOR $85.00

Allen Bradley Din Rail Voltage Monitor 809S-E1ZJ NEW $100.00

RK Electronics Zero Voltage Monitor ZVR-120A-A1C $100.00

Phoenix Contact Modutrab 3PH Voltage Monitor MT-4PE-230AC $99.00

Schneider Telemecanique RM4 TG20 Voltage Monitoring Relay new in box free ship $98.00

RK R-K ZERO Speed Voltage Monitor ZVM600N ZVM-600N NIB $78.55

Thermwood 53 CNC Router Parts Speed Voltage Monitor NEW $78.55

INTELEC MICROCNT. VMR -01/AC 250V 1 P Voltage Monitor $57.00

Voltage Monitor Plus 2 Relay Output Controller Internet $81.00

R K Electric ZVM-7000 Voltage Monitor (S41B) $79.99

New ICM Programmable 3-Phase Voltage Monitor, ICM450, 190-630 VAC, 50-60 Hz $79.20

PLM6405 SSAC 3-PHASE VOLTAGE MONITORS $68.52

NEW SSAC RLM911 Motor Protector Time Delay Three Phase Voltage Monitor $69.95

NOS! TIME MARK CORPORATION 3 PHASE VOLTAGE MONITOR C2644 98039903 10AMP 240VAC $65.95

Temperature and Voltage Data Monitor via Internet LAN $68.00

ND100: Temperature and DC Voltage Data Monitor Via Internet LAN $68.00

ABB DLM611 3 phase voltage monitor 2-20sec 2-8% 10a@240 $73.35

NEW DIVERSIFIED ELECTRONICS VOLTAGE MONITOR UOA-0234 U0A-0234 $59.00

Unused Furnas Voltage Monitor 47TA109183 Series A, 230VAC 60HZ $65.00

Drop out Voltage Monitor 480 Volt Furnas #47TA32H 400 Volt Drop out $60.00

ALLEN BRADLEY VOLTAGE MONITOR RELAY CAT#813S-VOB $69.99

Adjustable 3 Phase-Voltage Monitor, PBC-120/208-ALE, WYE. ATC Diversified Elec $69.00

Pilz 110VAC P1U-1NB Series Voltage Monitoring Relay 477054 NIB $67.99

Used Totaline P251-0090 Solid State Three Phase Voltage Monitor $62.80

SSAC Three Phase Voltage Monitor RLM911 $48.00

NEW DIVERSIFIED ELECTRONICS VOLTAGE MONITOR UOA-0266 $49.00

ICM ICM450 Three Phase Voltage Monitor 190-600 VAC 50-60 Hz $49.00

ATC Diversified SLA230ALA Phase Loss,Under Voltage & Phase Sequence Monitor $59.69

Allen-Bradley LINE VOLTAGE MONITOR RELAY 480VAC 60Hz 3-Phase 813S-VOB Series B $59.08

ICM400C 3 Phase Line Voltage Monitor $49.00

TIME MARK VOLTAGE MONITOR DC260B 10A $50.00

SSAC 3-Phase (240 VAC) Voltage Monitor, with mounting socket!! $50.00

Timemark 2681 voltage band monitor 12 volt dc octal $49.73

ICM400 3-Phase Voltage Monitor $50.00

10PC MAX8211CSA MAX8211 Microprocessor Voltage Monitors $53.99

Furnas Voltage Monitor No. 47VA32H, Series B $40.00

Voltage Monitor from SSAC $45.00

R K Electronics ZVM-6000 Single Phase Voltage Monitor $50.99

ICM Three Phase Voltage Monitor ICM450 $49.99

LED Panel voltmeter/battery voltage monitor/gauge for 4WD/RV/aircraft/marine/DIY $45.95

ATC Diversified UOA24DKA VOLTAGE MONITOR RELAY NIB $49.69

PILZ RELAY VOLTAGE MONITORING RELAY S3UM-1U 837360 $39.99

PILZ RELAY VOLTAGE MONITORING RELAY S3UM-1U 837260 24VDC 230VAC $39.99

Lot of 25 Maxim MAX811TEUS+T 4-Pin μP Voltage Monitors with Manual Reset Input $37.50

Turck JBBS 57-E811 8-Port DeviceNet Junction Box Bus Stop Hub W/ Voltage Monitor $29.99

Turck JBBS-57-E811 U0205 8 Port Hub with Voltage Monitor DeviceNet $29.95

Syrelec Crouzet DUR 110VAC Voltage Monitor New $30.00

Hoffman Controls Electronic Voltage Monitor-605-24 $34.99

CAMERA EG & G Streak Voltage Monitor L-CA-15 Newport Readout Display $15.99

Voltage Monitor Questions

High voltage battery stack monitor enhances HEV/EV battery management systems

High voltage battery stack monitor enhances HEV/EV battery management systems Linear Technology has introduced a second generation high voltage battery monitor for hybrid/electric vehicle (HEVs), electric vehicles (EVs) and other high voltage, high performance battery systems. The LTC6803 is a complete battery measuring IC that includes a 12-bit ADC, a precision voltage reference, a high voltage input multiplexer and a serial interface.

Each LTC6803 can measure up to 12 individual battery cells in series. The device’s proprietary design enables multiple LTC6803s to be stacked in series without optocouplers or isolators, permitting precision voltage monitoring of every cell in long strings of series-connected batteries. The LTC6803 follows the road-proven LTC6802, introduced in September 2008 with the same functionality and pinout, plus a number of performance enhancements.

The maximum total measurement error of the LTC6803 is guaranteed to be less than 0.25% from -40 to 125°C. The LTC6803 offers an extended cell measurement range from -300 mV to 5 V, enabling the LTC6803 to monitor a wide range of battery chemistries, as well as supercapacitors. Each cell is monitored for undervoltage and overvoltage conditions, and an associated MOSFET is available to discharge overcharged cells. Added functionality is provided by an onboard 5V regulator, temperature sensor, GPIO lines and thermistor inputs.

For long-term battery pack storage, the current consumed by the integrated BMS can potentially unbalance the cells. The LTC6803 addresses this concern with a standby mode that draws less than 12 µA. Furthermore, the power input of the LTC6803 is isolated from the stack, allowing the LTC6803 to draw current from an independent source. When powering from this input, the current draw on the pack is reduced to less than 1 µA.

The LTC6803 is designed to surpass the environmental, reliability and safety demands of automotive and industrial applications. The device is fully specified for operation from -40 to 125°C. The device has been engineered for ISO 26262 (ASIL) compliant systems and a full set of self-tests ensure that there are no latent fault conditions. To meet this standard, the LTC6803 includes a redundant voltage reference, extensive logic test circuitry, open wire detection capability and a watchdog timer for fail-safe designs. The LTC6803 is designed to withstand up to 75 V, providing more than 20% of overvoltage margin for a full string of 12 cells. The 1 MHz serial interface includes packet error checking and is designed to operate in the presence of large amounts of noise and transients.

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