Michell Instruments MDM300 I.S, Руководство пользователя

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MDM300 I.S. User’s Manual
48 97213 Issue 5, October 2017
APPENDIX A
Appendix A Technical Specifi cations
Performance
Measurement Technology Michell Ceramic Sensor
Accuracy
±1°C from -60 to +20°Cdp (-76 to +68°Fdp)
±2°C from -100 to -60°Cdp (-148 to -76°Fdp)
±0.2°C (0.3°F) temperature
Calibrated Measurement Range
For Spot Checks -70 to +20°Cdp (-95 to +68°Fdp)
For Online Analysis -100 to -70°Cdp (-148 to -95°Fdp)
Uncalibrated Readings From +20 to +30°Cdp (+68 to +86°Fdp)
Measurement Units
°C, °F, K dew point & gas temperature
% RH, ppm
V
, g/m
3
ppm
W
& g/kg (for air, N
2
, H
2
, CO
2
, SF
6
, user-de fi ned mw)
ppm
V
, lb/mmscf & g/m
3
for natural gas
Pressure Units psig, barg, KPa, bara, psia, MPa
Resolution (display) 0.1 for all dew-point derived units & auto ranging where appropriate
Resolution (measurement) Better than 0.1°Cdp (0.2°Fdp)
Typical Response Speed T95 in ≤ 30 minutes to -60°Cdp (-76°Fdp)
Sample Gas Flow 0.2 to 0.5 Nl/min (0.5 to 1 scfh)
Electrical Specifi cations
Auxiliary Inputs
Connection to Michell Easidew I.S. or Easidew PRO I.S. via Remote
Sensor Interface
Battery 4.8 V internally mounted Nickel Metal Hydride (NiMH) battery
Battery Operating Life Up to 24 hours of typical usage between charges
Battery Charger
Intelligent charger, NOT certi fi ed for hazardous area use
Charger supply voltage: 100 to 240 V AC, 50/60 Hz, 8 VA
Operating Conditions
Operating Pressure 0 to 35 MPa (0 to 350 barg / 0 to 5076 psig)
Operating Environment Outdoors 0 to +100% RH (non-condensing)
Operating Temperature -20 to +50°C (-4 to +122°F)
Storage / Transport Temperature -40 to +70°C (-40 to +158°F)
Altitude Up to 2000m (6562ft)
Mechanical Specifi cations
Display Blue LCD graphical display
Enclosure Type Steel fi ber-loaded high-impact polyamide 6
IP/NEMA Rating IP66/NEMA 4
Gas Connections 1/8” NPT female (other options available)
Gas Wetted Materials AISI 316L stainless steel, PTFE Seal, Borosilicate glass, ceramic
Outline Dimensions 218 x 170 x 90mm (8.6 x 6.7 x 3.5ft) (d x w x h)
Weight 1.5kg (3.3lbs)