Klein Mobile Thermal Imager for Android/iOS (TI223)
Klein Mobile Thermal Imager for Android/iOS (TI223)
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Product Details
Product Details
Key Features
Overview
The Klein Tools Mobile Thermal Imager for Android/iOS (TI223) turns a smartphone into a thermal imaging camera. This is a mobile thermal imager designed for troubleshooting hot and cold spots in electrical, HVAC, plumbing and building inspection work. It plugs into a USB-C iOS or Android phone, draws power from the phone, and weighs just 0.9 oz (26 g).
The sensor is a 19,200-pixel VOx microbolometer with thermal sensitivity under 50 mK at 77°F (25°C) and a spectral range of 8 to 14 μm. In practical terms, it resolves small temperature differences clearly enough to spot an overheating breaker, a loose lug, a missing patch of insulation or a leaking supply line inside a wall.
It measures from -4°F to 752°F (-20°C to 400°C) with accuracy of ±3.6°F (±2°C) or 2%, whichever is greater (not calibrated below 14°F / -10°C). Emissivity is adjustable from 0.01 to 0.99, which matters when you are reading shiny metal versus painted or matte surfaces. The field of view is 56° horizontal and 71° diagonal, wide enough to scan a full panel at close range.
Temperature modes are touch-screen driven: tap for a spot temperature, show the high and low points in the scene, or read the differential between two points. Temperature alarm options are available, and images display in Ironbow, Rainbow or Grayscale palettes. The imager captures still images (JPG) and video, including a time-lapse feature for documenting how a load or a system warms up over time.
The aluminum-housed imager is about 1-3/4" x 1-1/4" x 5/8" (4.5 x 3.1 x 1.6 cm) and fits phone cases up to 1/5" (about 5 mm) thick, so you do not have to strip the case off your phone to use it. A hard storage case with carabiner is included. Display resolution and memory depend on your phone, and the frame rate is under 9 Hz.
Who should buy it: electricians checking panels and connections, HVAC techs diagnosing duct and register issues, plumbers tracing hot water lines, home inspectors and facility techs who want thermal imaging without carrying another dedicated instrument.
See Heat Problems Fast
A 19,200-pixel sensor with under 50 mK sensitivity makes temperature differences easy to see.
- 19,200-pixel VOx microbolometer
- Thermal sensitivity under 50 mK
- Spectral range 8-14 μm
Plugs Into the Phone You Carry
USB-C connection to iOS and Android devices, and it fits through cases up to 1/5" thick.
- USB-C iOS and Android
- No batteries needed
- Weight: 0.9 oz (26 g)
Document What You Find
Save images and video, or run a time-lapse to show how a system heats up or cools down.
- Still image capture (JPG)
- Video and time-lapse
- Ironbow, Rainbow and Grayscale palettes
Read Temperatures on Screen
Touch-screen spot readings, high/low markers and differential readouts put numbers on the image.
- Spot, high/low and differential modes
- Adjustable emissivity 0.01-0.99
- Temperature alarm options
Key Specifications
| Sensor | VOx microbolometer, 19,200 pixels |
|---|---|
| Thermal Sensitivity | <50 mK at 77°F (25°C) |
| Spectral Range | 8 to 14 μm |
| Temperature Range | -4°F to 752°F (-20°C to 400°C) |
| Accuracy | ±3.6°F (±2°C) or 2%, whichever is greater |
| Field of View | 56° horizontal, 71° diagonal |
| Emissivity | Adjustable 0.01 to 0.99 |
| Color Palettes | Ironbow, Rainbow, Grayscale |
| Frame Rate | <9 Hz |
| Connection | USB-C, iOS and Android |
| Phone Case Fit | Up to 1/5" (about 5 mm) thick |
| Power | Powered by phone, no batteries |
| Dimensions | 1-3/4" x 1-1/4" x 5/8" (4.5 x 3.1 x 1.6 cm) |
| Weight | 0.9 oz (26 g) |
What's in the Box
- (1) Mobile thermal imager
- (1) Hard storage case with carabiner
- Instructions
Requires a USB-C iOS or Android smartphone.
Compatibility
Built For
Pro Tip
Set emissivity before you trust a number on bare copper, aluminum or bus bar. Shiny metal reflects heat and reads low; put a piece of electrical tape on the spot and measure the tape for a more honest reading.
Tool Nut's Take
Thermal Imaging That Lives on Your Phone
The Klein Tools Mobile Thermal Imager (TI223) puts a 19,200-pixel thermal camera on your USB-C phone at under an ounce.
- Who it's for: Electricians, HVAC techs, plumbers and inspectors who want thermal on every job without another instrument in the bag.
- Why it stands out: Under 50 mK sensitivity, a -4°F to 752°F range, touch-screen measurement modes and time-lapse capture.
- Worth knowing: Needs a USB-C phone. Frame rate is under 9 Hz, so pan slowly.
Common Questions
- Does the Klein TI223 work with iPhone? Yes, with USB-C iOS devices, as well as USB-C Android devices.
- Does it need batteries? No. It is powered by the phone.
- What temperature range does it measure? -4°F to 752°F (-20°C to 400°C).
- Do I have to remove my phone case? No, as long as the case is no more than 1/5" thick.
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