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# FNIRSI SG-004A Multi-functional Signal Generator

**Brand:** FNIRSI
**SKU:** SG-004A
**Price:** Available via Amazon — https://www.amazon.com.au/dp/B0CQMT9KFM/?tag=tech2have-22
**Category:** Multimeters & Clamp Meters (https://level-floor.bnr.la/store/c/test-measurement-multimeters.md)
**URL:** https://level-floor.bnr.la/store/products/fnirsi-sg-004a-multi-functional-signal-generator/

## Description

FNIRSI SG-004A signal generator is a high-performance device aimed at the industrial control industry. It can handle various working conditions with one device. The device has a simple but stable appearance design, simple operation logic and powerful performance, and has been loved by consumers since it was launched. Support voltage, current, frequency, thermocouple and other signal mode output and input, support independent 24V power supply, programming mode, real-time curve, historical record, MODBUS communication, firmware upgrade and other powerful functions.
Features
≤0.2% Error
Engineering quantity / signal value
Real-Time curve record view
2.4"TFT Full Color HD display with backlight
Designed for industrial control industry
stable appearance design.
Supports voltage, current, frequency, thermocouple, and other signal modes for both output and input.
Provides support for independent 24V power supply
Offers programming mode for customization
Facilitates real-time curve visualization
Allows for historical data recording
Supports MODBUS communication protocol
Enables seamless firmware upgrades
Incorporates other powerful functions for enhanced functionality
Basic Specification:
Brand
FNIRSI
Model
SG-004A
Screen
2.4"TFT Full Color HD display
Product Size
L82*W27*H112mm
Product Weight
0.050 kg / 1.76 ounces
Battery
3000mAh rechargeable lithium battery
Charging Type
USB-C port 5V-12V/10W(Max)
Standby Time
24h
Output Signal:
Active Current
0-24mA
Passive Current
0-24mA
Voltage
0-24V
Frequency / PWM
0-9999Hz
24V Loop
0-24mA
Thermocouple
-10~100mV
Resistance / Thermal Resistance
0-390Ω
Input Signal:
Active Current
0-24mA
Voltage
0-24V
Frequency / PWM
0-9999Hz
Thermocouple
-10~100mV
Resistance / Thermal Resistance
0-400Ω
Extended Function:
Program automatic lift output
Signal linear conversion output
History record
Modbus slave
Preset output
Real-time curve
Output timing
USB Emulated U Disk Firmware Upgrade
Technical Parameter:
Current (mA)
Range: 0~24mA
Accuracy: ±(0.02%+0.003)
Resolution: 0.001mA
Load Resistance: 100Ω
Voltage (V)
Range: 0~24V
Accuracy: ±(0.02%+0.003)
Resolution: 0.001mA
Load Resistance: 500K
Passive (XMT)
Range: 0~24mA
Accuracy: ±(0.02%+0.003)
Resolution: 0.001V
Load Resistance: 100Ω
24V Loop
Range: 0~24mA
Accuracy: ±(0.1%+0.005)
Resolution: 0.001mA
Load Resistance: 100Ω
Frequency (Hz)
Range: 0~9999Hz
Accuracy: ±2%
Resolution: 5 digits
Load Resistance: 1MK
Millivolt (mV)
Range: -10~100mV
Accuracy: ±(0.03%+0.003)
Resolution: 0.001mV
Load Resistance: 2K
Thermocouple (TC-S)
Range: 0~1760℃
Accuracy: ±(0.2%+1)
Resolution: 1℃
Load Resistance: 2K
Thermocouple (TC-B)
Range: 0~1810℃
Accuracy: ±(0.5%+1)
Resolution: 1℃
Load Resistance: 2K
Thermocouple (TC-E)
Range: 0~990℃
Accuracy: ±(0.2%+1)
Resolution: 1℃
Load Resistance: 2K
Thermocouple (TC-K)
Range: 0~1320℃
Accuracy: ±(0.2%+1)
Resolution: 1℃
Load Resistance: 2K
Thermocouple (TC-R)
Range: 0~1760℃
Accuracy: ±(0.3%+1)
Resolution: 1℃
Load Resistance: 2K
Thermocouple (TC-J)
Range: 0~1190℃
Accuracy: ±(0.3%+1)
Resolution: 1℃
Load Resistance: 2K
Thermocouple (TC-T)
Range: 0~390℃
Accuracy: ±(0.2%+1)
Resolution: 1℃
Load Resistance: 2K
Thermocouple (TC-N)
Range: 0~1290℃
Accuracy: ±(0.2%+1)
Resolution: 1℃
Load Resistance: 2K
Thermocouple (WRe3/25)
Range: 0~2320℃
Accuracy: ±(0.2%+1)
Resolution: 1℃
Load Resistance: 2K
Thermocouple (WRe3/26)
Range: 0~2320℃
Accuracy: ±(0.2%+1)
Resolution: 1℃
Load Resistance: 2K
Resistance (ohm)
Range: 0~390Ω
Accuracy: ±(0.2%+1)
Resolution: 0.1℃
Pt100
Range: -200~650℃
Accuracy: ±(0.5%+1)
Resolution: 0.1℃
Cu50
Range: -20~150℃
Accuracy: ±(0.5%+1)
Resolution: 0.1℃

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