Log4.USB

A power-logging circuit tester optimised for power measurement within USB connected systems.

Measurement

Range: Auto Ranging

Resolution: 16 bit

Channels: 1

Voltage measurement

Maximum: 28V

Minimum: 0V

Current measurement

Maximum: 3000mA

Minimum: 100uA

Sampling

Range: Adjustable

Timestamp: Realtime Clock, User/Auto-set, Date & Time

Sampling period Limits

Maximum: 99 minutes

Minimum: 5 millisecond

Battery

Chemistry: 3.7V, 1-cell Lithium Polymer

Capacity: 1200mAh

Battery Life: 7.3 days @ 10ms sampling

Charging: 200mA/h, Isolated, via MicroUSB port

Inputs & Outputs

Measurement connections

USB 3.0: Type A IN, Type B OUT

Terminals: Spring Terminals, 1.5mm Wire Gauge

Isolated data interface

USB: Micro-USB, Type B

USART: Standard 100mil Header, 3V3 & 5V logic compatible

Standalone logging

Media: MicroSD Card

Alarms

Types: 

Visual - LED (Bi-colour) 

Audible - Integrated Buzzer

Thresholds:

OVER - Voltage, Current, Power

UNDER - Voltage, Current, Power

Display

Resolution: 128 x 128 Pixels

Color Depth: Monochrome

Technology: Sharp Memory LCD

Backlight: Discrete, Adjustable

Size & Weight

Dimensions: 85.7 x 65.0 x 28.4 (W x D x H, mm)

Weight: 121 grams