Seaward DO4002 手持式数字微欧计 (4mΩ ~400Ω, 1µΩ~ 100mΩ, 1mA~1A)

Range: 400Ω, 40Ω, 4Ω, 400mΩ, 40mΩ, 4mΩ

Resolution: 100mΩ, 10mΩ, 1mΩ, 100µΩ, 10µΩ, 1µΩ

Typical Current: 1mA, 10mA, 100mA, 1A

Accuracy @ 20°C±5°C 1 year: ±(0.05% Rdg +0.02% FS), ± (0.05% Rdg +0.03% FS), ± (0.05% Rdg +0.05% FS), ± (0.05% Rdg +0.1% FS)

Temperature Coefficient (°C): 30ppm Rdg + 1ppm FS, 30ppm Rdg + 4ppm FS, 30ppm Rdg + 25ppm FS

Measurement: 4 terminal Kelvin/Thomson principle eliminates errors due to lead resistance

Display: 15mm LCD 4000 count with automatic decimal point and polarity indication

Ranges: 6 automatic or manual selection with LED indication

Terminals: 4mm safety sockets

Safety: EN 61010-1 EMC-EN 61236

Zero & Ave: Buttons to null measurement offsets

Calibration: Digital security key protected

Battery: Removable pack with 5 1.5V non-rechargeable batteries. Separate rechargeable pack, charger and docking station as optional extras

General Specifications

Dimensions

215 x 130 x 55mm / 8.5 x 5.1 x 2.2” (w x h x d) approx

467 x 374 x 216mm / 18 x 15 x 8.5” (w x h x d) packed in carton

Mass: 0.8kg / 2lbs approx

Working Temperature: 0 to +40°C rel. humidity 80% max. non-condensing

Storage Temperature: -20 to +50°C

Features:

True 4 terminal measurement eliminates lead resistance errors

Measuring range from 4 milli ohm to 400 ohm

1 micro ohm resolution

True zero capabilities

Digital Calibration

Auto / Manual range selection

Open circuit lead warning LED

1A measuring current

Auto power off to maximise battery life

Datasheet

Manual