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Contactless transmission of data and supply energy (no battery needed) Operating distance: Up to 100mm (depending on antenna geometry) RoboticsBD Operating frequency: 13.56MHz Data transfer: 106 kbit/s Data integrity: 16 Bit CRC, parity, bit coding bit counting Anticollision Typical ticketing transaction: <100 ms ( including backup management)...
Portable Diamond Tester II V2 Selector Gemstone Jewelry Gems Tool with Case (Original)
- Professional Diamond Selector II,
- Gem Tester Pen
- Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone
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Free Ship Over 5000 BDT
"Diamond Selector II" is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond testing. RoboticsBD
- This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond test.
- An excellent tool kit for the diamond tester, suitable for handling any exposed or inlaid diamonds and gems, as well as other jewelry and precious metal items. RoboticsBD
- With voice instructions, audible sounds are emitted when the lights are on, so that you can easily distinguish between masonry and stone.
- Small portable electronic devices can be put in any wallet or backpack, and the operation is simple. As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained. RoboticsBD
- LED light and audio result indication
- Accurate and reliable reading
- Metal alert
- Simple calibration for stones of various sizes
- Convenient carrying case
- Testing platform for loose stones
|Dimensions:||6.5" x 1.5" x 0.75" (Depth)|
|Testing Capability:||Diamonds, Diamond simulation (e.g. CZ), Metal|
|Initial warm-up:||~ 20 sec.|
|Indicator:||Audio and LED lamps|
|Power:||One (1) 9V Battery(s) (included)|
|Shipment Weight||0.186 kg|
|Shipment Dimensions||16.5 × 4 × 2 cm|
1 x Portable Diamond Tester II V2 Selector Gemstone Jewelry Gems Tool with Case
Main color: Yellow Measure range: 0.00-14.00pH Resolution: 0.01pH Accuracy: ±0.05pH Calibration: two points automatic calibration
Current and voltage display in turn, easy and comfortable to use. Small and portable, do not need other power supply. Measuring range: DC 3V – 9V / 0 – 3A (up to 5A ) Portable Device Interface: USB2.0, USB3.0 Product Weight: 0.025 kg Two output ports
This signal generator can use 4-20mA to generate voltage and control the current in the circuit. Accuracy up to 0.01; Liquid crystal display; Rotary encoder adjustment ; Two connection terminals are non polarity. Output range can be set; 4-20mA (device control) / -21mA (signal debugging) Display mode can be set, it is convenient for you to see the value...
Operating Voltage: DC 4.8-6V Offer 3 modes to check servos or ESC The Manual Mode allows you to turn the knob to different speeds and check the reaction time The Neutral mode makes the servo go back to the neutral point The Automatic ’’Window Wiper’’ Mode makes the servo swing like a window wiper in the largest angle possible Connect to up to 3 servos...
Input: 1S-8S Battery Battery type: Lipo/LiFe/Li-ion/LiMn It has a Buzzer Alarm for low voltage indication. Useful for measuring each cell voltage. Cell Voltage Display Range: 0.5v-4.5v Total Voltage Display Range: 3.7-36v Alarm set values: Off or 2.7-3.8v
Professional Diamond Selector II, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone
Model: BT-168D Product Name: Digital Battery Tester Type: Pointer Voltage Measurement Rated Voltage: 12V Measurement Accuracy:0.1V
Power supply: DC 12V 1A Power range: 0~150.00W Capacity range: 0~999.999Ah Low voltage stop range: 0~150V
2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter, Voltage Current Detector USB Cable Charger Indicator DC3.6-30V/0-5.1A
Digital LCD Power Supply Tester for PC ATX/BTX/ITX 4Pin SATA HDD
Brand: SparkFun Electronics
Description: This is the same product as the Makey Makey Standard Kit. The difference is this version comes in fancy clamshell packaging meant for our distributors that need it. Regular customers are welcome to order, but we want to limit the amount of extra packaging finding its way into the trash heap.
Uni-T UTD2102CEL 1G Digital Storage Oscilloscope 100MHz Wide Screen. RoboticsBD
Supports Digital terrestrial video and radio program recording (records digital terrestrial TV on PC or Laptop). The included Input Terrestrial Antenna will offer stable TV signal. Supports Real Time digital video recording and broadcasting. Supports Watching DVB-T digital TV and listen to DAB and FM radio. Full DVB-T bandwidth reception (at 6 / 7 /...
Suitable for multimeters Ideal tool for electronic work Suitable for precision circuit board line measurement, micro capacitance measurement, especially suitable for excellent technology and more precise chip capacitance measurement This product can be connected to a multimeter to measure SMD components such as resistors, capacitors, etc. When the...
22,000 display count, can measure weak signals. True RMS, 220mF capacitance measurement. Peak hold: auto hold the max/min value of pulse signals. Diode test and buzzer continuity, overload protection for all ranges. Auto range, MAX/MIN/REL measurement mode.
P5004 Professional Insulated Quick Test Hook Clip High Voltage Flexible Testing Probe 4mm Pair Material: Copper, spring stainless steelCurrent Voltage: CE CATIII 1000V and MAX.10AConnection mode: comes with a 4mm socketProduct color: Red and black.Size:155*43MMPackage Include: 1 Pair (1 pcs Red+1 pcs Black)
Temperature detection of the two-dimensional area: 8 × 8 (64 pixels). Digital output (capability of temperature value output). Compact SMD package (adaptively to reflow mounting). RoHS compliant. RoboticsBD
Multi-functional transistor tester. Automatic detection of NPN and PNP transistors, FET, diodes, dual diode, thyristor and SCR. Automatic identification of the transistor pinout. Can be used as a Square signal generator. Can be used as a PWM signal generator.
High-Speed USB2.0 specification at 480Mbps, compatible with USB 1.1 USB2.0 Core, high speed 8051 core, 16K RAM. Built-in IDE interface for IDE devices Powered by USB Port Compact Design
Colour: Red, Green, Yellow, White, and Black, etc. Cable length: 40 cm. RoboticsBD Net weight: 50 gm. They are very useful for connecting components to wires. It is insulation covered clips connected to the wire from both ends. RoboticsBD *You will receive 1 pcs cable of random color.
Material: ABS Color: Yellow + Black Power: 2 x AAA Battery (NOT INCLUDED) Very Lightweight LED Light at tip for Dark sites
Type K Type. Mounting thread: M6 Temperature Range:0-600°C. RoboticsBD
Gain: 2.0dBi-2.5dBi Antenna connector: RP-SMA Male Connector Standing wave ratio(SWR): <1.5 Weight: TxA10.3g, RxA 11.5g TxA is a circular-polarized Omni antenna with three lobes RxA is a circular-polarized Omni antenna with four lobes
Temperature Control Range(°C): -50 to +110 Resolution @-9.9°C to +99.9°C: 0.1°C Resolution @all temperatures: 1°C Accuracy: 0.1°C Refresh Rate(s): 0.5 Supply Voltage(V): 12 Measuring Inputs: NTC10K Cable Length: 0.5 Meter Output Type: 1 Channel Relay Output Capacity: 10A
Power Supply: external micro USB-5V. Voltage Output: 0-12V. Current Output: 0-22mA. Multiple Display: just push the small button to switch the display mode
Model: DP50V5A Input voltage range: 6.00-55.00V Output voltage range: 0.00-50.00V Output current: 0.000-5.000A Output power range: 00.00-250.0W
Logical light indication: a small light indicate CHO electrical level. Input feature: 5PF,100K Ohm. USB power supply; USB logic analyzer for monitoring, analyzing and debugging digital circuits 8-Channels USB logic analyzer with a 24Mhz sampling frequency Can analyze UART, IIC, and SPI, etc automatically Great for MCU, ARM system and FPGA development...