Connections: The "+" terminal is for a positive volt connection. The "-" terminal is for the negative or ground connection. The "C" terminal is for when being installed through a key switch or direct connection. Please review the installation instructions for the correct wiring diagrams. Reset: For the battery indicator to be reset to full when connecting through a key switch, it is necessary that the meter sees the charging voltage for approximately 6 minutes. This is because the meter is equipped with a memory recall feature. Dimensions: Overall: Width 2 1/16" ; Height 1 1/4" Hole cutout - 1 3/8" wide by 7/8" high Depth Behind front meter flange to end of mounting screws - 1 1/8 inches
Product Description: 1--This round hour meter can be used for tracking time on machinery such as boats, cars, trucks, tractors or any other device where time is used to determine oil change intervals, service requirements or where there is a need to record hours operated. 2---These meters are 100% tested at the factory prior to shipment. They will have from 0.2 to 2.0 hours on them depending on the random quality control test selection process. This is done to insure that a quality meter is being shipped. 3---The timer has a 6 digit display with the least significant digit being 1/10 hour (99999.9) and operates on in put voltages from 6 to 80 Volts DC. 4---The hour meter timing mechanism contains a quartz oscillator which provides a high degree of accuracy. It is designed to withstand vibration and shaking up to 8g and is rated to work between 15 degrees to 132 degrees Farenheit. 5---The hour meter fits in to a 2" round hole and includes an adjustable retrainer clip so that the meter can be mounted on material up to 9/32 inch thick. Meter depth behind the panel is 1.5 inches.
Timing Rage: 0-99999.9 HRS
Voltage: DC 6V-50V
Timing Precision: +/- 0.01
Zero-resetting device: No-Zero
Ambient temperature: -10-50 centigrade
Relative humidity: Sealed
Item weight: 43g / 1.5oz
Package size: 7 * 5.5 * 3.5cm / 2.8 * 2.2 * 1.4in
Package weight: 52g / 1.8oz
1 * Hour Meter
All car owners should know that electric appliances, such as power switch, spark plugs, and other internal electronics can be gradually damaged if the voltage is too high (exceeding normal value by 15%). Similarly, cars will not work proplerly if subject to under-voltage conditions (lower than 10% of threshold).
The JEBSENS 3.1A Dual USB Car Charger with LED Display is a Mutifunctional Tool for you car! It Charges different mobile devices such as iPhone, Android Smart phone, iPad, Camera, PSP, etc. Built in LED Display present to you Fahrenheit, Amperage, and Voltage of your car. This allows you to be more conscious of your vehicle and devices you're charging. Every ten seconds, the display switches between voltage, internal temperature, and total amperage of the devices you are charging.
Digital LED FAV Display - FAV stands for Fahrenheit, Amperage, and Voltage. Every ten seconds, the display switches between voltage, internal temperature, and total amperage of the devices you are charging.
Be in tune with your vehicle - This device is one of the most helpful gadgets you can buy for your car. The voltage indicates the health of your battery and allows you to know when it's time for a replacement. The temperature helps you to manage the internal temperature of the car. The amperage keeps you informed of the amount of amperage your devices are using.
Overcharge / Overheat Protection - The device auto powers off when input/output is greater than safety current. This ensures that your devices are protected against over-heat, over-current and over-charging. It detects the ambient tempreture when not charging any device; when charging other devices, it shows the tempreture of the Car Charger itself which is a little higher than the ambient.
Dimensions: 48 x 29 x 21.5 mm (L*W* H)
Cutting size: 45.5 x 26 mm (L*W)
The minimum input: 3.50V DC
The maximum input: 30.0V DC
Measurement range: DC 3.50 - 30.0V
Measurement accuracy: +/- (0.5% + 2 Digit)
Display mode: Three 0.56 LED digital tube
Update rate: About 500 ms/time
Lead wire length: 14 cm
Operation temperature: -10 °c to 65 °c
Protection: Anti-reverse protection
Red wire: please connect the red wire to positive pole of power supply(Power Supply +) or positive pole of measured voltage(Measure Voltage +)
Black wire: please connect the black wire to negative pole of power supply(Power Supply -) or negative pole of measured voltage(Measure Voltage-)
1.When truck battery is fully charged, its voltage is about 28V. And if the truck starts immediately,the pulse
interference is likely to damage the meter.This meter does not fit 24V truck.So if you want to use a meter in
such a situation, please choose a 15-80V voltmeter.
2.Please note that its starting voltage is low and could be merely 3.5V
1x Digital Voltmeter
Brand new and high quality.
Screen digital color: red.
Installment: insert the jack of the product into a cigar socket.
This digital gauge displays the voltage of batteries in the car.
With high brightness of LED there is no difficulty in seeing the display.
Powered by car cigarette lighter charger.
Constantly monitor battery voltage, extend and protect the battery and engine life.
Installment:Clean the Cigar socket.
Insert the jack of the product into a Cigar socket. Attention:For DC 12V OR 24V CAR.
Measuring range:DC 8V-30V+/-%1.2.
What kind of batteries is healthy:.
When engine running(do not drive), the LED display:.
Between 13.5 to 14.5 (12V Car). Between 26.0 to 28.0 (24V Car).
Size:7cm x 4cm x 2.9cm - 2.76inch x 1.57inch x 1.14inch.
1 x Car voltage monitor
NO Retail Box. Packed Safely in Bubble Bag.
It's brand new, good quality & high performance;
Blue LED Digital Volt mini Panel Meter;
Doesn't Require a additional working Power;
It only have two wires, you can connect to the measure power directlyIt have the polarity reverse protection, won't damage the meter;
TYPE : LED;
Power range : DC 4.2 V - 30 V ;
Current consumption : 12mA ;
Accuracy : 0.1V;
Led Size : 0.56'';
Meter Size : 48mm x 29mm x 21mm;
Hatch size : 45.5mm × 26.5mm;
Working temperature : -10℃~65℃;
The max measure voltage is 30V, please do not exceed 30V, otherwise, the meter would be damaged;
1 x 4.5V-30V Bule LED Digital Volt Meter.
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