SJ Gauge 4-digit multi-purpose digital panel meter

Multi-purpose Digital Panel Meter, 4 Digits

Model: UMA4

LED display with high brightness and clarity, capable of displaying up to 4 digits
Offers three output options: one- to two-stage alarms, analog signals, or RS485 transmission
Equipped with pressure discharge control, suitable for environmental monitoring

Responsive after-sales service / Customizable
High quality / One-year warranty
Product images are for reference only. Final specifications are based on the confirmed order.

Description

The UMA4 is a high-accuracy, 4-digit multi-purpose digital panel meter featuring a high-brightness red LED display for clear and fast readings. It supports a wide range of input signals, including voltage, current, resistance, thermocouples, PT100, and load cells. Optional functions include relay alarm outputs, analog outputs, and RS485 communication with Modbus RTU protocol, making it ideal for industrial automation systems. With EEPROM memory, push-button configuration, and flexible alarm control, the UMA4 is widely used in pressure, temperature, flow, energy, and environmental monitoring applications.

Specifications

Accuracy	±0.1% F.S. ±1 digit (DC) ±0.2% F.S. ±1 digit (AC)
Display Screen	High-brightness red LED 20.5 mm (0.8")
Sampling time	60 cycles/sec Polarity indication Automatic with " - " indication
Display range	-1999 ... 9999
Display over range indication	doFL/-doFL
Input over range indication	ioFL/-ioFL
Parameters indication	Push buttons
Back up memory	EEPROM
Relay contact	AC 250V/5A DC 30V/7A
Analog output resolution	16 bit
Output communication	Current output: ≦ 10V Voltage output: ≦ 20mA
Communication	RS485 Modbus RTU mode
Baud rate	19200/9600/4800/2400 bps
Tempering temperature	100 ppm/℃ (0℃ ... 60℃)
Ambient temperature& humidity	0℃ ... 60℃/20% ... 90% RH (non-condensing)
Power supply	AC/DC 100V ... 240V AC/DC 22V ... 50V
Power consumption	< 6.5VA