G-Finder™ Universal B2

Universal

Gas Detector

- Detects combustible, toxic gases, and oxygen.
- Explosion-proof design for hazardous areas.
- Compatible with various sensors.
- One model suits a wide range of field conditions.
- Supports 4–20 mA, RS-485 (Modbus), and HART.
- Relay outputs enhance system reliability.

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Product Specs
Catalog
Manual
Certificate
Accessory

Specification View

│Sensor Specification

Measuring method	Catalytic cell	Electrochemical cell	Infrared
Measuring gas	Flammable gas	O2, Toxic gas	Hydrocarbon gas, CO2, CO
Measuring type	Diffusion type
Measuring range	0 ~ 100% LEL	0 ~ 25% VOL (O2) 0 ~ 50ppm (H2S) 0 ~ 200ppm (CO) 0 ~ 100ppm (NH3) & etc	0 ~ 100% LEL 0 ~ 5% VOL (CO2) 0 ~ 2% VOL (CO) 0 ~ 4000ppm (N2O)
Response time(T90)	< 15 sec	< 15 sec (O2), < 45 sec (Tx)	< 6 sec

│Detector Specification

Accuracy	±3% / Full scale
Smart sensor configuration	Diffusion (Basic), Insert, Suction type \| Remote sensor max 100m (With Junction box)
Parameter control	Non-intrusive control with a Magnet bar and Bluetooth wireless communication (Calibration, Maintenance, Alarm setting)
Operation mode display	Alarm light ring (Green, Yellow, Red) \| Alarm, Mode and Fault LED
Measuring value display	1.54" Graphic OLED display (Gas concentration, Gas name, Gas trend, Fault etc.)
Alarm signal output (Option)	6A @ 30VDC, 6A @ 250VAC (Resistive load) \| 2-SPDT Relay contact (2 Stage alarm)
Output signal	Analog : Single 4 ~ 20mA, Current source or Sink Digital : Isolated RS-485 Modbus (Option), HART (Option)
Operating power	24VDC normal, 18 to 31VDC
Material	Aluminium alloy or Stainless steel
Cable entry thread	Standard : PF 3/4" (Domestic), M20 x 1.5P (Overseas) \| M25 x 1.5P, NPT 1/2", NPT 3/4", PF 1/2"
Operating temperature	-40°C ~ 80°C
Operating humidity	0 ~ 99% RH (Non condensing)
Additional interface	Bluetooth, MicroSD Card and Internal HART Port
Fault check	Supply voltage / Current, Memory check, Sensor status / Configuration check, System check
Dimensions	110(W) x 126(H) x 110(D) mm (Aluminium alloy) / 110(W) x 126(H) x 110(D) mm (Stainless steel)
Weight	≤ 1.3kg (Aluminium alloy) \| ≤ 2.8kg (Stainless steel)

│Product Certification

Catalog

GFU_B2_Catalog_260427.pdf

Manual

GFU_B2_InsManual(KOR)_260814_R0(1).6_K.pdf

Certificate

Domestic Certifications
GFU_B2_Series_KCs_with_GSA_10SH(1).pdf
GFU_B2_KC_적합등록증(1).pdf
GFU_B2_Series_KCs_without_GSA_10SH(1).pdf
GFU_B2_Series_KCs_without_GSA_11(1).pdf
GFU_B2_Series_KCs_with_GSA_11(1).pdf
International Certifications
GFU_B1_GFU_B2_Series_IECEx(7)(1).pdf
GFU_B2_CE_RED(1).pdf
GFU_B2_CE_EMC(1).pdf
GFU_B2_Hart(1).pdf
GFU_B1_GFU_B2_Series_ATEX(3).pdf
GFU_B1_GFU_B2_Series_PESO(3).pdf

DWG

Accessory	Name	Feature