Name: AT1BD Series 3½-Digit LCD Digital Display Meter
Brand: MY SHOP

Description

Technical Specifications

• Maximum Display: 3½-digit LCD (1999).
• Maximum Input Overload Capacity: 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: ±0.2% of Full Scale ±2 Digits (DC); ±0.5% of Full Scale ±5 Digits (AC).
• 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 0.3 seconds (Standard).
• Operating Temperature Range: 0°C to 50°C (Non-condensing).
• Storage Temperature Range: -5°C to 60°C.
• Operating Humidity: ≤ 85% RH.
• Operating Conditions: Altitude ≤ 2000 meters; locations free from corrosive gases.
• Over-range Display: The first digit displays "1" or "-1"; the remaining three digits are blank.
• Polarity Display: Automatic polarity switching.
• Noise Suppression Ratio: Common Mode Rejection Ratio (CMRR) > 86dB at 50/60Hz.
• Power Consumption: ≤ 1VA (AC); ≤ 0.5W (DC).
• Dielectric Strength: AC 4kV for 1 minute (between internal terminals and the enclosure).

Product Selection

Product Appearance	Model	Operating Power Supply	Display Character Height	Product Features
	AT1BD91	AC 220V, AC 380V (2-wire direct connection; no operating voltage required for measurement)	13mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BD50	AC 220V, AC 380V (2-wire direct connection; no operating voltage required for measurement)	16mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BD85	AC/DC 9V–12V; AC 220V; AC 380V (2-wire direct connection; no external power supply required for measurement)	19mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BD85VA-AC	AC/DC 9V–12V \| AC/DC 24V \| AC 220V (2-Wire Direct Measurement — No External Power Supply Required)	9.2mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BD85VA-DC	AC/DC 9V–12V \| AC/DC 24V \| AC 220V (2-Wire Direct Measurement — No External Power Supply Required)	9.2mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BD85VV-AC	AC/DC 9V–12V; AC 220V; AC 380V (2-wire direct connection; no external power supply required for measurement)	9.2mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BDE1	AC/DC 9V–12V; AC 220V; AC 380V (2-wire direct connection; no external power supply required for measurement)	10mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BDE2	AC/DC 9V–12V; AC 220V; AC 380V (2-wire direct connection; no external power supply required for measurement)	13mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BDE6	AC/DC 9V–12V; AC 220V; AC 380V (2-wire direct connection; no external power supply required for measurement)	13mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BD4329	AC/DC 9V–12V; AC 220V; AC 380V (2-wire direct connection; no external power supply required for measurement)	10mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BDF36	DC5V±5% ≤ 15mA AC/DC9V-12V AC/DC24V	8mm LCD Display	Large-screen LCD display, flush-mounted installation.
	AT1BDY36	DC5V±5% ≤ 15mA AC/DC9V-12V AC/DC24V	8mm LCD Display	Large-screen LCD display, flush-mounted installation.