High stability weighing indicators at 1/100,000 display resolution

GM8802 serial weighing indicators are applied to transmit weight in industrial fields, which special features are small volume, plenty communicating commands, stable performance, easy operation and practicability.

Application:

1) GM measurement technology is used in a wide range of applications in concrete and bitumen mixing equipment.

2) GM offers high-speed sampling technology in metallurgy furnace and converter equipment.

3) GM have developped high-precision measurement technology for automatic batching and weighing in chemical industry.

4) GM works closely with high-quality measurement technology for fertilizer and fodder production system.

5) GM can provide you weighing measurement-custom configured to meet your exacting requirements for all industrial platform scales.

Characteristics:

● 1/100,000 display resolution

● Bright red LED display digits

● Multi power supply

● Powers up to 8 units of load cells 

● High speed sampling(120/240/480 times/sec)

● Standard RS-232/RS485 interface

● Easily selectable minimum divisions: 1, 2, 5, 10, 20, or 50 

● Dust and water-proof display (when mounted into a panel)

● Compact housing speeds installation and reduces space.

● Powerful vibration-cancelling filter (High Performance Digital Filter)

Specification:

ANALOG UNIT

A/D conversion method: 24-bit Delta-Sigma modulation

Zero adjustment range: 0.2 to 9mV

Nonlinearity: 0.01% F.S

Maximum input voltage: 0.2 to 10mV

Minimum sensitivity: 0.1 µ V/d

Input impedance: 10MΩ

Sampling rate: 120/240/480 times/sec.

Display resolution: 1 / 100,000

Load cell excitation: DC5V, 300mA(Max.), Up to 8 load cells(350Ω) can be connected

DIGITAL UNIT

Display elements: 7-segment 6-digit red LED

Data display range: 0 to 999,999d

Status indicators: ZERO, STAB, DATA

BASIC SPECIFICATIONS

Power source voltage: AC 90V to 260V 50/60Hz or DC24V ± 5%

Power consumption: Approx. 10W

Temperature and humidity: -10℃ to 40℃ / 90% R.H or less(Condensation must be avoided):

Dimensions 105 × 151 × 57 mm (L×W×H)

Weight: Approx.450g

Panel cut dimensions: 93 x 46mm

Dust/water protection: The IP 65 display when mounted into a panel

Enclosure: ABS front panel, aluminum case.

OPTIONS

GM8802-E: D/A analog voltage / current output (±10V+ 4-20mA)

GM8802-F: Standard RS-232/RS485

GM8802-L: CC Link

GM8802-M: Modbus TCP

GM8802-N: Device Net

GM8802-P: Profibus DP