Analogue Evaluation Board for p-Type Metal Oxide Sensors - Metal Oxide Transmitter

  • Analogue Evaluation Board for p-Type Metal Oxide Sensors
  • Analogue Evaluation Board for p-Type Metal Oxide Sensors
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• Gas/ vapours detected​: H2S, VOCs and CO​
• Sensor type​: Alphasense p-type metal oxide gas sensor​
• Power input​: 5-6 VDC
• Voltage output: 0 to 4.75 VDC​
• Usage/storage range​: -30 to +50 °C (-22 to +122 °F)​
• Usage humidity​: 0% to 95% (non-condensing)​

  • Model Number: Metal Oxide Transmitter
  • Data Sheet: Date Sheet File
Quantity:
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Product Specification

Analogue Evaluation Board for p-Type Metal Oxide Sensors

Introduction and specification
This Evaluation Board measures the sensor signal and controls the heater for a p-type metal oxide gas sensor. This Evaluation Board includes:
    • Buffered voltage outputs for heater voltage and sensor resistance measurement
    • Integrated two-temperature heater pulsing for optimum sensor performance
    • Selectable sensor resistance ranges for low and high gas concentrations

Please read these instructions to ensure correct installation and use of your p-type metal oxide gas sensor.

P-type Metal Oxide Transmitter Specification

Gas/ vapours detected
H2S, VOCs and CO
Sensor type
Alphasense p-type metal oxide gas sensor
Performance
See H2S, VOC and CO web technical datasheets
Warm-up time
10 minutes to full specification; 30 seconds to reading
Power input
5-6 VDC
Transient current: 700 mA (~10s)
Operating current: 200 mA
Voltage output
0 to 4.75 VDC
Connector
6-pin Molex plug
    Pin 1 (power)
    Pin 2 (supply ground)
    Pin 3 (sensor signal)
    Pin 4 (signal ground)
    Pin 5 (heater power)
    Pin 6 (heater ground)
Sensor power select
(sensor resistance range)
Selectable (LK2)
    low range (up to 1MΩ)
    high range (up to 3MΩ)
Heater two-temp control
User selectable (LK3)
Two-temperature pulsing period
User selectable (LK1)
    5 minute measurement cycle, 60 second clean cycle
    10 minute measurement cycle, 60 second clean cycle
Heater adjustment
10-turn potentiometer to set heater resistance (VR1)
Usage/storage range
-30 to +50 °C (-22 to +122 °F)
Usage humidity
0% to 95% (non-condensing)

Replacement/ additional parts ordering for P-type Metal Oxide transmitter
Replacement and spare parts can be ordered by quoting the part numbers below.
Part Number
Description
034-0025-00
M6 Nylon washer
010-0178-02
ISB Transmitter Lead
029-0059-00
Foam Seal 'A' Series 4-20mA Gas Hood (For use with TO5 Gas Hood)
029-0068-00
Foam Seal (For use with ATEX & 6 Pin Plastic Gas Hood)
033-0012-00
M3 x 20mm long Pillar (Individual part number).
000-GSHD-08
MOX Evaluation Gas Hood Assembly for MOX ATEX
000-GSHD-09
MOX Evaluation Gas Hood Assembly for MOX 6 Pin Plastic
000-GSHD-10
MOX Evaluation Gas Hood Assembly for MOX TO5
HS2, VOC and CO
(all packages)
Replacement sensor.
Heater recalibration will be required.

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