Indicator T7E

The T7E weighing indicator is widely used in electronic platform scales, floor scales, and other static weighing systems equipped with 1–4 load cells of 350Ω.

Standard Functions

• Single window with a 2-inch backlit LCD display

• Peak hold and average value functions

• Automatic/manual accumulation

• Four-level battery indicator, low-power alarm, and automatic power-off

• High–Low limit alarm function, with HIGH–OK–LOW indicators

• Automatic sleep mode

• Pre-tare function

• Automatic precision enhancement (zoom ×10)

• High-precision A/D conversion with a resolution of 1/30,000

• AC/DC power supply with a built-in 6V/4AH rechargeable battery

Optional Features

• RS232 interface with selectable baud rates

• Scoreboard communication interface, 20mA current loop

Specifications

• Accuracy class: III

• Maximum number of verification divisions: 3000

• Input signal range: –19mV ~ +19mV

• Conversion rate: >10 times/sec

• Nonlinearity: ≤ 0.0015%

• Load cell connection: 1–4 load cells (350Ω each)

• Selectable division values: 1 / 2 / 5 / 10 / 20 / 50

• Power supply: DC 5V; AC 220V, 50/60Hz (–2% ~ +2%)

• Operating temperature: –10°C ~ +40°C

• Storage/transport temperature: –25°C ~ +55°C

Scoreboard Interface

• Signal output method: Current loop signal

• Transmission speed: 600 baud

• Transmission distance: ≤ 200m

Serial Communication Interface (RS232C)

• Transmission speed: 600 / 1200 / 2400 / 4800 / 9600 (selectable)

• Transmission distance: ≤ 30m