NEMOTO ENVIRONMENTAL TECHNOLOGY
 GAS SENSORS FOR INSTRUMENT MAKERS WORLDWIDE

     
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NEW LOW-POWER PELLISTOR HEADS - The NET-4 Range


In response to continued requests and enquiries from our customers, Nemoto can at last  proudly announce the launch of our new pellistor based sensor head for portable instruments, the NET-4

Available with two power options (3V, 75mA and 4.25V, 50mA), the NET-4 is compatible with a wide range of existing portable gas detection instruments, explosimeters, multi-gas instruments

The sensor benefits from a very high level of zero stability and poison resistance, compared with other similar devices.

The NET-4 Head is approved to Atex Standards:
Certificate number CESI 05 ATEX 026U. Approval code

 

 

 

SPECIFICATIONS

NET-4-10S

NET-4-13S
Recommended Voltage:    4.25V +/- 0.2V 3.0V +/- 0.3V
Current Drawn (@3V) 50mA 75mA
Gas Sensitivity 35-55mV/%CH4 25-45mV/% CH4/Air
Zero Offset (No trimming resistor) +/- 150 mV +/- 150 mV
Range 0-100% LEL flammable gases 0-100% LEL flammable gases
Accuracy +/- 1%LEL(CH4) +/- 1%LEL(CH4)
Maximum Long term drift

Span:

 < +/- 2% LEL/Month < +/- 2% LEL/Month
 

Zero:

      < +/- 2 mV/Month      < +/- 2 mV/Month
Response time:

(T90)

 <30 seconds <30 seconds
OPERATING CONDITIONS

Temperature Range         -20°C to +70°C         -20°C to +70°C
Temperature Drift:                    

(-20°C to +70°C)

 < +/- 2% LEL (CH4) < +/- 2% LEL (CH4)
Humidity Range 0-99% RH, Non-condensing 0-99% RH, Non-condensing
Humidity response

0 → 99%RH

 2% LEL(CH4)  2% LEL(CH4) 

Linearity:              

     Effectively Linear to 60%LEL     Effectively Linear to 60%LEL

DATASHEETS:

 

PDF datasheet

 

PDF datasheet