User interface:

* Display resolution 320*240 pixels
* Screen diagonal 2.8"
* 16 bits per RGB pixels
* Resistive touch control
* Jog switch control
* USB serial port control
* Optional TTL USART port (SW not yet implemented) on the internal PCB
* Linear power supply to avoid switching noise.
*Add port ESD protection to upgrade version（V0.3.1_E）

The input/output specification of the tinySA is split over the 4 modes

Option 1 -----  4Inch NanoVNA-H4

New Updated NanoVNA-H4 4inch Vector Network Analyzer 10k-1.5GHz HF VHF UHF Antenna Analyzer Version 4.3 with SD Card Slot

Option 2 -----  4Inch LiteVNA

Option 3 -----  4.3Inch DeepVNA-101

DeepVNA-101 4.3 inch Antenna Analyzer 10k-1.5GHz SWR Meter VHF UHF Network Analyzer HW3.2 IPS LCD + Metal Case NanoVNA-F

Introduction：
This is a vector network analyzer, which can measure the S-parameters of the circuit, transmission test, reflection test, insertion loss, return loss, fault location (TDR function), antenna standing wave, impedance, filter response and so on.

With the following improvements:
1. The user buttons are changed to a rotary encoder, which makes the control more convenient and smooth.
2. New added RTC circuit, with real-time clock and perpetual calendar functions.
3. Optimize the S21 insertion loss/filter measurement performance, with a larger dynamic range.

Running firmware version: 1.0.4, new features:
1. Add RTC real-time clock, perpetual calendar function
2. The measurement data file name is in the form of YYMMDD_HHMMSS.
3. The frequency setting can choose the start and end or the center span mode.
4. The boot sound can be turned on or off.

Description：
Screen Size: 4.3 inches
Nominal Frequency: 10k - 1.5GHz
Scan Points: Up to 301 points
Battery capacity:  5000mAh/3.7V
Memory capacity size: 16MB
Up to about 1000 sets of snp file data can be saved.

Package Includes:
1 x DeepVNA 101 4.3-inch screen unit (free screen protector)
1 x USB-A to USB Type-C cable
2 x 20CM SMA male to male RG316 RF cable
1 x SMA male calibration piece-OPEN
1 x SMA male calibration piece-SHORT
1 x SMA male calibration piece-LOAD (Within 4GHz,Swr 1.025)
1 x SMA-JJ male to male connector
1 x SMA-KK female to female connector
1 x SMA-JKW male to female right angle connector
1 x Foldable machine stand
1 x Resistive screen touch pen
1 x Quick Start Guide
1 x Free EVA protective bag

Features:

* Brand new and high quality
* Made of high quality materials,
* VFD2515 music spectrum display 5-12v input with voice control
* VFD2515 Audio Spectrum Analyzer VFD Voice Control Music Level Display VU Meter

Specification:

Input voltage: 5V Type-C/12VDC
Sleep current: 0.03A (5V)
Working current: 0.3-0.8A (5V)
Input channel: audio input x1
Pickups: Silicon Mark EMS ( for jumper selectable)
Frequency response: 300Hz-20KH
Input impedance: 50kOhm
Dimensions: 176x50x28mm
Screen material: glass
Shell material: Acrylic PMMA
Microcontroller: STM32F103
Display resolution: 25 segments and 15 levels

Function:

Spectrum mode optional
bell
speed regulation
Dimming
Gain adjustment (internal/external)

Package Included:

1 * VFD Audio Spectrum DIY Kit

Note:
1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2.Please allow slight manual measurement deviation for the data.

Specification:

• Brand new

• Material: Plastic

• Size: approx. 108*58.1mm

• Record mode: manual measurement,immediate measurement

• Record storage: 12700

• Response time: 1 second

• Carbon dioxide measurement scope: 0~9999PPM

• Accuracy: ±70ppm ±3% readings (0~5000)

• Resolution: 1PPM

• Temperature measurement scope: -10~70℃ (14~158℉)

• Temperature measurement accuracy: ±0.3℃ (10~55℃), Others are ±1.2℃

• Humidity measurement scope: 0%RH~99.9%RH

• Resolution ratio: 0.1%RH

• Accuracy: ±3% (10~90%)

• Power supply: 3.7V battery inside

• Adapter Input: 100-240V, 50/60Hz, 0.4A

• Adapter Output: 5V-1000mA

Feature:

• Multiple-function tester for testing carbon dioxide concentration, temperature and humidity.

• Color large LCD screen.

• 12700 data logging memory.

• 1000mA large capacity lithium battery inside, the battery can be repeated charging.

• Stable and reliable.

• Simple and easy to operate.

• Convenient to carry.

• Durable in use.

• Used for environmental quality detection in industrial production, hotels and department stores, offices and meeting rooms, libraries, warehouses, hospitals and sites.

Package included:

• 1 x Carbon Dioxide Detector (without box)

• 1 x USB Line

• 1 x English Manual

Note:

• Please allow 0-1cm errors due to manual measurement.

• Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.

RELIABLE PROFESSIONAL MACHINE
Seesii always insists on providing our customers with accurate and practical testing instruments and maintenance equipment.

Seesii focuses on providing new and innovative measuring tools and electronics to meet the needs of home and professional.
After years of development and research,we are becoming more and more popular for our reliable quality, constantly improving technology & excellent and convenient service.
Nanovna Antenna Analyzer
VNA Analyzer & Tinysa
Upgraded Frequency VNA
Spot Welder for 18650 Battery
Seesii Underground Wire Tracer
New-Desgin Spot Welder
Professional Signal Generator
Desktop Signal Generator

A great product! Very nice and neat case, small size, is very accurate in its measurements (I have multiple calibrated meters and this one is just as accurate) and has all the functions you need from a multimeter plus the large screen ability makes it very versatile.
Both my colleagues saw me using a multimeter, consulted me about it, they both bought one, and each was very happy with his choice. I recommend it unreservedly.

This New Version V0.4.5.1 Spectrum Analyzer with 4.0 inch 480 x 320 large touchscreen display, 100kHz to 5.3GHz widely measure range, with the new ESD protection function,and built-in 32Gb micro SD card, can directly record data to the card ,which is convenient for your data sharing and storage.
Compared with the 2.8 inch tinysa, upgraded TinySA ULTRA has a larger screen size, a wider measurement range, faster and more accurate measurement performance, you can easily cope with measurement test in various fields.

When not used as Spectrum Analyzer it can be used as Signal Generator,with sine wave output between 0.1-800MHz or square wave or dual tone output up to 4.4GHz.
Built-in calibration signal generator that is used for automatic self test and low input calibration.

4.0 inch Large Touchscreen
With 4.0 inch 480 x 320 high definition screen, which can let you operate and see the data more clearly, give you a better using experience.
Built-in 3000m-ah Rechargeable Battery
Ultra-long battery life,with type-C charging cable and LED charging indicator,it can be fully charged within 3 hours,no need to charge frequently.
32GB TF SD card Included
Built-in 32Gb mi-cro SD card, can directly record data to the card ,which is convenient for your data sharing and storage.

Connected to a PC via USB it becomes a PC controlled Spectrum Analyzer or Signal Generator.Tinysa-APP transfers data directly to the computer.The USB interface implements CDC protocol and there is a large set of commands that can be invoked over the serial interface. These command can be used to perform measurements or update internal settings. The driver for Windows will install automatically after connecting to a Windows PC. The driver for Linux is built into the kernel.

Product Description
1. Frequency range: 0.1-1300MHz, HF / VHF / UHF continuous coverage
2.Input/output impedance: 50
3.Measurement parameters: SWR, R, + Jx, -Jx, Z, return loss
4.Measurement mode: single point measurement, (frequency ) and TDR mode
5.SWR measurement range: 1.0-1999 (single point mode), 1.0-20.0 (scan mode)
6.Display mode: numerical display, curve display, simulation diagram
7.Connector type: UHF N type connector
8.VNA: SMA
9.LCD size: 480 x 272 4.3 inch TFT LCD display
10.Power supply: USB or built-in lithium ion
11.Built-in lithium-ion charging circuit and DC-DC booster
12.Maximum charging current: 5V / 1.5A
13.External storage method: TF card
Package Contents:
1 x Host
5 x Accessories
1 x Manual

NanoVNA-H Vector Network Antenna Analyzer 10KHz-1.5G HzMF HF VHF UHF with Shell Spectrum Analyzer

NanoVNA-H Spectrum Analyzer Features:
1. With the addition of the ABS casing and the new packaging, Compared to many customers using 3D printed housing, it saves costs.
2. This Spectrum Analyzer support typec-typec line, more convenient to connect to mobile phones ,Support to most Android phones with the same screen display(Doesn't support for iPhone). Solve the problem of small screen, insufficient brightness and so on.
3.Support time domain analysis function (TDR)
4.The battery usage can be displayed on the interface.
5.The spectrum analyzer serial number is attached to the back
6.Changed the outer packaging, the world cover hot stamping carton, plastic inner protection. Reduce problems caused by transportation shocks and other processes.
7.Other details have been improved.

Package List:
1X Spectrum Analyzer NanoVNA Host (2.8-inch touch screen and 650mAh battery is included)
2X 20cm SMA Male to Male RG174 RF Cable
2X SMA Female to Female Connector
1X SMA Simple Calibration Kit SHORT
1X SMA Simple Calibration kit OPEN
1X SMA Simple Calibration kit LOAD
1X USB Type-C Data Cable
1X Type-c to Type-c Line
1X Touch Paddle

There are 2 options, TinySA and TinySA Ultra, pls see below detials for differents, if you have any doubts, you can contact our service

TinySA model comparison table：

TinySA Option:

TinySA ULTRA Option:

2023 New Handheld Tiny Spectrum Analyzer TinySA ULTRA 4" Display 100kHz to 5.3GHz with 32GB Card Version V0.4.5.1

Specification：

Package includes:
Host (with 3000mAh battery, 4"display) x 1
USB Type-C data cable x1
30cm ALSR100 SMA cables x2
SMA-SMA barrel connector x1
Antenna with SMA connector x1
Lanyard and touch plectrum x1
32GB MicroSD card(plugged in the host) x1

Product Description
The O2 Quickstick is designed for Nitrox Divers. A simple twist of the side knob will turn on and calibrated the analyzer to ambient air. Place the O2 Quickstick to a slightly opened tank valve for an accurate and reliable reading. The intuitive process requires only one hand to operate. The replaceable thermally compensated sensor maintains accuracy levels exceeding dive industry standards. After use, the analyzer can conveniently be turned off to preserve battery life and stored away in your dive bag. The Anodized Marine Grade Aluminum body can withstand the accidental slams of dive tanks and weight belts in the rugged environment on a dive vessel. The O2 Quickstick comes with a 1 year limited manufacturer warranty and the provided sensor has a 2 year Pro-Rated warranty.

Product Description
*** FEATURES: automatic identification of components automatic identification of connection pins identification of special features such as detection of protection diodes and detection of shunt resistors bipolar transistors: measurement of current gain and leakage current, silicon and germanium diode detection threshold voltage measurement for enrichment MOSFETs forward voltage measurement for diodes, LEDs and base-junctions Transistor transmitter automatic and manual extinguishing *** SPECIFICATIONS: Specification Summary at 20°C (68°F) unless otherwise specified short circuit peak current cut off: -5.5 mA up to 5.5 mA Permanent short circuit peak voltage: -5.1 V up to 5.1 V transistor: gain range (HFE): 4 - 65,000 Gain precision: ± 3% ± 5 Hfe maximum collector-to-emitter voltage (VCEO): 2.0 V - 3.0 V base-emitter voltage accuracy VBE: -2% -20 mV up to +2% + 20 mV base-emitter voltage VBE for Darlington transistor (shunted): 0.95 V - 1.80 V (0.0. 75 V - 1.80 V) base-emitter shunt resistance threshold: 50 kΩ - 70 kΩ collector current BJT: 2.45 mA - 2.55 mA acceptable leakage current BJT: 0.7 mA MOSFET: gate-source voltage range: 0.1 V - 5.0 V accuracy of only he: -2% -20 mV up to +2% + 20 mV drain current: 2.45 mA - 255 mA gate resistance: 8 kΩ depletion drain current: 4.5 mA drain-source currents JFET: 0.5 mA - 5.5 mA thyristor/Triac: gate current: 4.5 mA Hold: 5.0 mA diode: test current: 5.0 mA voltage accuracy: -2% -20 mV up to +2% + 20 mV forward voltage for LED identification: 1.50 V - 4.00 V short-circuit threshold: 10 Ω battery: type: MN21 / L1028 / GP23A 12 V alkaline range. Voltage: 7. 50 V - 12 V alarm threshold: 8.25 V. Dimensions: 103 x 70 x 20 mm (4.1 x 2.8 x 0.8 inches). Weight per product (nett): 0.098 kg (3.5 oz). Working temperature: 0 °C ~ 50 °C (32F ~ 122F)