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EK-R640 Thermal Imager
Thermal Imager

EK-R640

EK-R640 Thermal Imager

EK Instruments EK-R640 — professional thermal imager for industrial electrical testing.

Verified product information from EK Instruments.
EK Instruments

Product Overview

EK-R640 Thermal Imager

EK Instruments EK-R640 is a professional thermal imager. Designed for industrial electrical measurement and field testing. Built with precision engineering and reliable components for long-term stability.

 

Product Function

Surface Temperature Measurement and Real-Time Thermal Image Analysis

 

Product features

1.Adjustable emissivity improves measurement accuracy on semi-reflective 
surfaces.
2.Maximum and minimum temperature cursors guide the user to the hottest and 
coldest areas within the thermal image.。
3.Selectable color palettes are available.

 

Technical Specification

Product Model

EK-R384

EK-R640

Infrared Resolution

384×288

640×512

NETD

≤50mk@25℃@F/1.0

≤40mK @F/1.0

Color Palettes

5 Color Palettes (Rainbow / Iron Red / Cool / White Hot / Black Hot)

7 Color Palettes (Rainbow / Iron Red / Cool / White Hot / Black Hot / Red Hot / Micro)

Internal Storage

Built-in 16GB 

(User available storage approx. 13.4GB)

Built-in 32GB 

(User available storage approx. 30GB)

Menu Languages

Chinese, English, Spanish

Chinese, English

Product Weight

Approx. 1.1kg (including accessories)

Approx. 2.02kg (including accessories)

Power Supply

Built-in rechargeable, 26650 lithium battery

Battery Capacity

5000mAh

Power Interface

Type-C

Display Screen

3.5-inch (640×480)

Image Display Modes

Infrared/Visible Light/Mix/Picture-in-Picture

Image/Video Storage Format

JPG/MP4

Image/Video Export Method

USB connection to computer

Image Analysis Function

PC offline analysis supported

Infrared Detector Type

Vanadium oxide uncooled infrared focal plane

Infrared Spectral Response

814μm

Pixel Size

12μm

Lens Focal Length

9.1mm

IFOV

1.32mrad

Focus Mode

Manual focus

Temperature Measurement Range

Low range: -20℃ ~ +120℃ (-4℉ ~ 248℉);
High range: 120℃ ~ +550℃ (248℉ ~ 1022℉)

Temperature Measurement Accuracy

EK-R385: -15℃ ~ 550℃: ±2℃ or ±2%; -20℃ ~ -15℃: ±4℃
EK-R640: -15℃ ~ 550℃: ±2℃ or ±2%; -20℃ ~ -15℃: ±2℃

Temperature Resolution

0.1

Temperature Measurement Mode

Center spot / Hot & cold spot tracking

Emissivity Setting

0.01 ~ 1.00 adjustable

0.01 ~ 1.00 adjustable

≤25Hz

Visible Light Resolution

640×480

Operating Time

≥4 hours

Auto Power Off

5min / 10min / 20min / Disabled

Meter Weight

EK-R385: Approx. 605g (with battery);Total weight: approx. 1.1kg (with accessories)
EK-R640: Approx. 624g (with battery);Total weight: approx. 2.02kg (with accessories)

Meter Dimensions

256mm×95.8mm×128.9mm

Operating Temperature & Humidity

-10℃ ~ +50℃; 10% ~ 85% RH (non-condensing)

Storage Temperature

-20℃ ~ +60℃

 

 

Applications: Power utility, industrial maintenance, electrical testing labs, field engineering services.

Need Help?

Our team is ready to assist with product selection and application questions.

Email Us

Jemma@ek-instruments.com