Products

Overview




Colors

•Black   •Red tiffany blue


Specs

•Chipest by Evolv

•Thread Type:510 thread

•Output Power: 1 - 75Watts

•Cell Type:Hight-rate 26650/18650 battery

•Temperature Control Mode: TC-SS/TC-NI/TC-TI

•Temperature Range:100-300℃/200-600℉

•Come with 25mm ring for atomizer

•Fashion LED light

•Micro USB Charging and Escribe Connection Port



One kit contents:

1*VT75 body

1* USB Cable

1*User Manual

1*Warranty Card

1*Gift Box Packaging

1*Decorative Ring

1*18650 Battery Tube


VT75 Detailed Specifications:

Specifications

Minimum

Typical

Max

Output Power

1 Watt

75 Watts

Output Voltage

0.2 Volt

6.0 Volts

Output Current, continuous

50.0 Amps

Output Current, instantaneous peak

55.0 Amps

Atomizer Resistance, temperature sensing wire, cold

See Graph

0.15 Ohm

See Graph

Atomizer Resistance, kanthal wire

See Graph

0.25 Ohm

See Graph

Temperature Limit

200°F

450°F

600°F

Input Voltage

3.0 Volts

3.7 Volts

4.2 Volts

Input Current

0.5 Amps

12.0 Amps

25.0 Amps

Screen On Current

18mA

Quiescent Current

4.5 mA

Power Down Current

5uA

Efficiency

85%

Weight

15g

Footprint

0.71” x 2.60”

18mm x 66mm

Thickness

0.32”

Screen size

0.91” OLED


Temperature Protection:

The VT 75 directly measures and limits the temperature of the heating coil during operation. By preventing the coil from becoming too hot regardless of fluid, wicking or airflow, a variety of  undesirable situations can be prevented. For example, appropriate temperature settings will prevent the

wicking material from charring, which compromises taste and introduces unintended chemicals into the vapor. Appropriate temperature settings will also reduce the breakdown of flavoring and base liquid components, which could impact taste or safety.

Evolv’s Temperature Protection Technology requires a heating coil made from Nickel 200 alloy or other materials with a well-defined temperature coefficient of resistance, rather than Nickel Chromium or Kanthal alloys. If the temperature reaches the maximum value, the wattage applied to the atomizer coil is reduced to prevent overheating. Please note that the temperature reading is the average temperature of the atomizer coil, and care should be taken to construct the heating coil so that the temperature is uniform, without hot or cold spots.

Because wattage, not temperature controls vapor volume, large vapor volumes can be produced without unnecessarily high temperatures. Temperature Protection is most helpful if the atomizer begins to dry out, the user pauses during a puff, the beginning or end of the puff, or if the wattage setting is inappropriate for the attached atomizer.

In normal operation, when the device is not firing the maximum temperature setting is

displayed on the screen. When the device is firing, the actual average temperature of the coil is displayed on the screen.

By default, the Temperature Protection setting is 450° Fahrenheit. To change the limit

1) Lock the device by pressing the Fire button five times.

2) Hold down the UP and DOWN adjust buttons for two seconds.

3) After two seconds, the maximum temperature will be displayed, and the UP and DOWN buttons should be released.

4) Use the UP and DOWN buttons to adjust the maximum temperature

5) When the display shows the desired maximum temperature, press the Fire button to exit

temperature adjust mode.

The maximum temperature is adjustable between 200° Fahrenheit and 600° Fahrenheit. To disable the temperature protection entirely, adjust the limit up to 600 degrees, then press the UP button one additional time. The temperature limit will read OFF.

To switch to Celsius temperature, adjust temperature down to 200° Fahrenheit, then press the DOWN button one additional time. The temperature will switch to reading and adjusting in Celsius.

Preheat

When the VT 75 is used with a temperature sensing atomizer, an additional feature called

Preheat is activated. No vapor is produced when the temperature is below the boiling point of the liquid. Preheat applies extra power until the heating coil is up to operating temperature to shorten the delay between pressing the fire button and generating vapor. Because preheat is temperature based, it will not overheat or burn the vapor.

Output Power

The following graphs show the output power range of the  VT 75 as a function of the coil resistanc


Display:

Watt setting: The power level currently set on the VT 75.

Battery indicator: The current state of charge of the battery.

Temperature display: When not firing, the maximum heating coil temperature setting. While firing, the  actual temperature of the heating coil is displayed.

Volts display: The output voltage being supplied to the atomizer.

Ohms display: The resistance of the atomizer attached to the device. When using a temperature sensing

coil, this is the normalized resistance of the coil at 70°F

The Main Functions & Operations

1.1.Activated Mode&Attaching a new atomizer:To wake the device from power off state, tap the Fire button. The VT75uses the resistance of the atomizer to calculate the temperature of the heating coil. It continually looks to see whether a new or changed atomizer has been connected.

If you are using temperature protection, be careful to only attach new atomizers that have cooled to room temperature to the device. If a new atomizer is attached to the VT75 before it has cooled down, the temperature may read and protect incorrectly until the new atomizer cools.

When you connect a new atomizer or disconnect and reconnect your existing atomizer, the VT75 will prompt you to confirm this change. When you fire the first time, before activating the VT75will prompt “New Coil? UP YES/DOWN NO”. When you see this prompt, if you have attached a new atomizer, press the UP button. If you have disconnected and reconnected the same atomizer, press the DOWN button.

2.Locked mode: Pressing the fire button five times with less than .7 seconds between presses will cause the device to enter Locked mode. In Locked mode, the device will not fire and the output power will not adjust accidentally. While in Locked mode, the screen will be off, except that pressing a button will show “Locked, Click 5X”. To exit Locked mode, press the fire button 5 times.

3.Stealth mode: While locked, holding the fire and down buttons simultaneously for five seconds will switch to stealth mode. In this mode the display is off. It will still show error and lock messages. To switch back to normal display mode, hold down the fire and down buttons simultaneously for 5 seconds. This setting is stored to internal flash memory, and remains if power is removed.

4.Power Locked mode: Holding down both the up and down buttons for two seconds will place the device in Power Locked mode. In this mode, the mod will operate normally, but you will not be able to change the power setting. This mode prevents accidental power level changes due to the buttons being pressed while in a pocket. To exit Power Locked mode, hold the up and down buttons for two seconds.

5.Power Preset Mode: Under the power locked modepressing the up/down buttons  twice with less than 0.7 seconds between presses will cause the device to Power Preset modethen press the fire button to confirm the selection.

6.Resistance lock: The VT75 relies on the cold resistance of the atomizer to measure temperature accurately. If the connection is not stable or if you find the measured resistance drifts with time, it may be desirable to lock the atomizer resistance. To do so, while locked hold both the Fire and Up buttons for two seconds to enter Resistance Lock mode. In this mode, the VT75 will use the present atomizer cold resistance without refinement until the atomizer is disconnected or the resistance lock is disabled. A lock symbol will replace the ohm symbol on the display. To disable resistance lock, repeat the procedure to lock it.

7.Max Temperature Adjust: From Locked Mode, holding down both the up and down buttons for two seconds will place the device in Max Temperature Adjust mode. Once this mode is entered, the max temperature will be displayed. The up and down buttons are used to adjust the max temperature. To save the new temperature setting and exit, press the Fire button.

Profiles:

The VT75 allows you to save and select between eight groups of output settings. Each group of output settings is called a Profile. To switch between profiles, put the VT 75 into Power Locked mode by pressing and holding both the up and down buttons simultaneously for two seconds. From power locked mode, to cycle between profiles, double click the Up or Down button. To select the displayed profile,press the fire button.

The coil material for each Profile can be changed directly on the device for any material that exists in the Materials Repository. To change the currently selected Profile’s material, press the Fire button five times to Lock the device. With the device Locked, hold the Up, Down, and Fire buttons simultaneously for two seconds. Then, use the Up and Down buttons to cycle through materials, when the desired material is displayed press the Fire button to confirm your selection.

Each profile contains an output power setting and a maximum temperature setting. These can be adjusted on the device, and will be saved when a different profile is selected. Additionally, the resistance lock setting and value for each atomizer is saved in the profile, which can alleviate temperature inaccuracies stemming from attaching atomizers before they have completely cooled. Many more output settings, including the coil material and preheat settings can be adjusted on a per-profile basis using the Escribe PC software.

Evolv recommends setting up one profile for each atomizer that you regularly use with the VT 75. It is much faster to switch profiles than it is to set up the settings for the atomizer again.


Error Messages

The VT75 will indicate a variety of error states.

Check Atomizer: The VT75 does not detect an atomizer, the atomizer has shorted out, or the atomizer resistance is incorrect for the power setting.

Shorted: The atomizer or wiring are short circuited.

Weak Battery: The battery needs to be charged, or a higher rate battery needs to be used. If this happens, the VT75 will continue to fire the atomizer, but will not be able to provide the desired wattage. The Weak Battery message will continue to flash for a few seconds after the end of puff.

Temperature Protected: The heating coil reached the maximum allowed temperature during the puff. If this happens, the VT75 will continue to fire, but will not be able to provide the desired wattage.

Ohms Too High: The resistance of the atomizer coil is too high for the current wattage setting. If this happens, the VT75 will continue to fire, but will not be able to provide the desired wattage. The Ohms Too High message will continue to flash for a few seconds after the end of puff.

Ohms Too Low: The resistance of the atomizer coil is too low for the current wattage setting. If this happens, the VT75 will continue to fire, but will not be able to provide the desired wattage. The Ohms Too Low message will continue to flash for a few seconds after the end of puff.

Too Hot: The VT75 has on board temperature sensing. It will shut down and display this message if the internal board temperature becomes excessive.

Auto power down

The screen will be at full brightness while firing. After 10 seconds with no button presses, the screen will dim. 30 seconds after the last button press, the screen will fade out and the device will go into sleep mode. To wake the device, press the fire button.

Charger

The VT75 has a built in 1A USB charger. It automatically detects the type of  USB power supply it is connected to, so it can be plugged into standard PC USB ports or higher power chargers. The max charge current is based on the cell capacity as programmed in EScribe.

*Reverse Polarity Protection

The VT 75 includes built in Reverse Polarity Protection to protect the user, board, device, and  battery in the event that a battery is inserted backward

Working Indicator Light

The color of indicator light allows to custom by EScribe.

Escribe

Escribe is a software package used to configure and modify the operation of your VT75. It installs on a Windows PC and connects to your VT75 using the USB port.

When you connect your VT75to the PC, press the “Connect and Download Settings” button to download the settings presently on your device to Escribe. After you make changes, press the “Upload Settings to Device” to save the new settings to the device.


NOTICE TO USERS:

The temperature reading is the average temperature of the atomizer coil, and care should be taken to construct the heating coil so that the temperature is uniform, without hot or cold spots. Ensure that the coil does not short to itself.