Name: AT5145 Series 4½-Digit LED Digital Display Meter
Brand: MY SHOP

Description

Technical Specifications

• Maximum Display: 4½ digits (19999), 0.56 inches (14.2 mm) high.
• Maximum Input Overload Capability: Current: 1.2× rated value (continuous), 10× rated value (10 seconds); Voltage: 1.2× rated value (continuous), 1.5× rated value (10 seconds).
• Measurement Accuracy: ±0.5% of full scale ±35 digits (AC); ±0.03% of full scale ±2 digits (DC).
• Auxiliary Power Supply: AC 110V/220V ±10%, 50Hz or 60Hz; DC 5V; AC/DC 12–220V ±10% (Isolated).
• Measurement Mode: Dual-slope integration.
• Input Mode: Single-ended input.
• Sampling Time: Approximately 0.5 seconds (Standard)
• Frequency Range: 45–400 Hz (AC), True RMS range.
• Operating Temperature Range: 0°C to 50°C; Storage Temperature Range: -5°C to 60°C.
• Operating Humidity: ≤ 85% RH.
• Operating Conditions: Altitude ≤ 2000 meters; environments free of corrosive gases.
• Over-range Indication: The first digit displays "1" or "-1," while the subsequent four digits remain blank.
• Polarity Indication: Automatic polarity switching.
• Noise Suppression: Common Mode Rejection Ratio (CMRR) > 86 dB at 50/60 Hz.
• Power Consumption: ≤ 3 VA (AC); ≤ 2 W (DC).
• Dielectric Strength: AC 4 kV for 1 minute (tested between internal terminals and the enclosure).

Product Selection

Product Appearance	Model	Operating Power Supply	Display Character Height	Display Color
	AT5145A	DC5V±5% ≤ 150mA	0.56-inch Red LED	Available in green, yellow, or blue (optional).
	AT5145B	DC5V±5% ≤ 100mA AC/DC9V-12V AC/DC24V-48V	0.56-inch Red LED	Available in green, yellow, or blue (optional).
	AT5145H	DC5V±5% ≤ 100mA AC/DC9V-12V AC/DC24V-48V	0.56-inch Red LED	Available in green, yellow, or blue (optional).
	AT5145I1	DC5V±5% ≤ 100mA AC/DC9V-220V AC110-220V	0.56-inch Red LED	Available in green, yellow, or blue (optional).
	AT5145I2	DC5V±5% ≤ 100mA AC/DC9V-220V AC110-220V	0.56-inch Red LED	Available in green, yellow, or blue (optional).
	AT5145J	DC5V±5% ≤ 100mA AC/DC9V-220V AC110-220V	0.56-inch Red LED	Available in green, yellow, or blue (optional).
	AT5145I2-TMS	DC5V±5% ≤ 150mA AC/DC9V-220V AC110-220V	0.56-inch Red LED	Available in green, yellow, or blue (optional).
	AT5145J-TMS	DC5V±5% ≤ 150mA AC/DC9V-220V AC110-220V	0.36-inch Red LED	Available in green, yellow, or blue (optional).