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GWD200 Mining Intrinsically Safe Temperature Transmitter
The GWD200 series mining intrinsically safe temperature transmitter uses a high-precision Pt100 platinum resistance sensor and accurate conversion circuits for temperature measurement. It provides a (4-20) mA or (1-5) V output and is designed according to GB/T3836 standards, with an explosion-proof rating of Exia Ⅰ Ma. This device is suitable for temperature monitoring and control in both underground and surface mining equipment, enhancing automation and control capabilities.
Mining Temperature Instruments

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Overview:

Measurement Type: Pt100 platinum resistance temperature sensing

Output Options: (4-20) mA, (1-5) V signal

Applications: Temperature monitoring and control in mining equipment

Explosion-Proof Rating: Exia Ⅰ Ma, compliant with GB/T3836 standards

Enclosure: Compact design suitable for harsh mining environments


Key Technical Specifications:

Power Supply: 12 VDC or 24 VDC

Signal Output: (4–20) mA or (1–5) V

Accuracy: 0.5 for signal output

Power Consumption: <22 mA (current consumption)

Temperature Compensation: (-20 to 70)°C

Protection Rating: IP54, compliant with GB/T4208

Vibration Resistance: <20 m/s²

Explosion-Proof Design:

   o Explosion-proof rating Exia Ⅰ Ma

   o Complies with GB 3836.1 and GB 3836.4 standards

   o Associated devices must meet explosion-proof requirements and pass certification

Dimensions: Refer to dimensional drawings

Intrinsic Safety Parameters:

   o Ui: 24.3V

   o Ii: 1.5A

   o Li: 0μH

   o Ci: 0.7μF

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