Name: GQY(B) Mining Intrinsically Safe Level & Temperature Transmitter
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Location: Home > Products > Mining Instrument Series > Mining Level Instruments > GQY(B) Mining Intrinsically Safe Level & Temperature Transmitter

GQY(B) Mining Intrinsically Safe Level & Temperature Transmitter

Mining Level Instruments

Product Overview

The GQY2000/80 (B) mining intrinsically safe level and temperature transmitter (hereinafter referred to as the instrument) adopts a combined design of a magnetic position sensor and a temperature sensor. Equipped with a high-precision conversion circuit, it converts the measured level and temperature parameters into a (4–20) mA current output signal. The output signals can be transmitted to display, recording, and control instruments to realize system monitoring, regulation, and control, making the product widely applicable. The display head can be rotated 330° for flexible installation.

The instrument adopts a 304 stainless steel housing and is designed and manufactured in strict accordance with GB/T 3836 and related standards. The explosion-proof certificate number and safety approval number are marked on the nameplate.

Our company provides compliant intrinsically safe power supplies and signal isolation converters. The isolator supplies intrinsically safe power to the sensor and converts the intrinsic safety current signal into non-intrinsically safe current, CAN bus, or RS485 output signals.

Key Technical Specifications

Item	Technical Parameters
Operating Temperature	（0～+40）℃
Power Supply	12VDC，operating range:（10～14）VDC
Measuring Range	Level: max. (0–2000) mm; min. (0–400) mm Temperature: (0–80) ℃
Signal Output	Two channels of (4–20) mA current signals
Accuracy	Level: ±1.0% FS when range ≥ 750 mm; ±5 mm (resolution) when range < 750 mm Temperature: Class 1
Switch Output Capacity	1 channel, 12/24 VDC / 300 mA (requires compliant intrinsically safe power supply or isolator)
Display	Digital tube display
Protection Rating	IP54 (standard type), IP65 (special type), compliant with GB/T 4208
Explosion-proof Marking	Ex ib I Mb；(intrinsically safe type)
Intrinsic Safety Parameters	Ui：12.5V；Ii：0.1A；Li：0μH；Ci：50μF；Pi：0.3W。
Installation Method	G1 1/2” or M48 × 2 male thread (standard threaded installation); DN50 (standard flange installation); other mounting types available upon request and must be specified when ordering.

Model and Specifications

Model

Measuring Range

Signal Output

Maximum Working Pressure

GQY2000/80(B)

Level: (300–2000) mm; Temperature: (-20 to 80) °C

(to be specified by user).

Dual current signal:

(4～20mA) DC

1.6MPa

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