SINOCERA PIEZOTRONICS, INC

GWZ120/300

Explosion-proof, coal safety temperature acceleration composite sensor


Specification:

Vibration Performance

Measurement Range

±100 g

Sensitivity ±5%

50 mV/g

Frquency Response±10%

1 ~10, 000 Hz

Frquency Response±3dB

0. 4~13, 000 Hz

Mounting Resonant  Frequency

30,000 Hz

Max.Transverse Sensitivity

<5%

Amplitude Linearity

<1%

Noise(RMS)

<100 uV

Temperature response coefficient (-40〜+120°C) 

±10%

Operating environment

Operating temperature range

-40〜120°C

Insulated voltage resistance (core and housing)

>1000 VAC

Overload limit(shock)

3000 (peak) g

Protection grade

IP67

Electrical Specification

Excitation voltage

18〜30 VDC

Constant current source

2〜10 (Type 4) mA

Bias voltage

12±2 VDC

Output impedance

<100 Q

Insulation resistance(@100VDC)

>100 MQ

Settling time

<4 s

Sensitive element

Pt100 A grade

Temperature measuring range

0〜+ 120°C

Supports bridge mode

Two wire system, three wire system

Physical specification

Sealing method

Laser welding

Case material 

316L stainless steel

Piezo Material

Piezo

Ouput

5-PIN D22NM17-2-202

Shielding and isolation

Internal shielding, isolation

Weight

〜85 gram

Accessories

Bolt

1/4-28 convert M6     

Certification

Explosion-proof certification number:SHExC21. 1386