MPD Operating Manual
26
8.4 MPD Calibration Gases
Sensor Type Target Gas Cal Gas Range Cal Gas P/N Cal Gas Description
MPD-IC1 Carbon Dioxide 1.50 to 3.5 %Vol Contact HA 2.5 %VOL CO
2
in air
MPD-IV1 Methane 1.50 to 3.5 %Vol GFV352 2.5 %VOL CH
4
in air or LEL
MPD-IF1 Flammables 30 to 70 %LEL GFV406 1 %VOL C
3
H
8
in air
MPD-CB1 Flammables 30 to 70 %LEL GFV352 50 %LEL CH
4
in air
9. Specications
9.1. General Specications
Electrical
Sensor
Operating Voltage Power Consumption
MPD**-CB1 2.9 0.2
MPDXX-I** 4 0.08
Negative going signal with concentration
Connection
5-20 AWG (0.52 mm
2
) by 7: (178 mm) long
Construction
Dimensions
2.2” (56 mm) D x 3” (76 mm) L
Weight
1.2 lbs. (0.54 kg)
Material
316 stainless steel
Port Types
MPD-UT*** (factory sealed): 3/4” male N.P.T.
MPD-BT*** (factory sealed): 3/4” male N.P.T.
MPD-AM***: M25 male
Environmental - Operating
IP Rating
IP66
Temperature
MPD**-CB1: -40°C to +65°C (-40°F to +149°F)
MPD**-I**: -20°C to +50°C (-4°F to +122°F)
Humidity
see sections 9.3 - 9.6
Environmental - Storage
Temperature
-40°C to +65°C / -40°F to +149°F
Humidity
0 to 99% RH non-condensing
9.2 Performance Data
Sensor
Type
Gas
Response
Time
(T50) sec
Response
Time
(T90) sec
Accuracy
(% of full scale or
% of applied gas)
MPD-IC1 Carbon Dioxide <30 <70 ±5%FS or ±15%
MPD-IV1 Methane <15 <30 ±5%FS or ±15%
MPD-IF1 Propane <15 <30 ±5%FS or ±15%
MPD-CB1 Methane <15 <30 ±5%FS or ±15%