User manual

9
MC-III™ EXP Flow Analyzer Section 1
Table 1.1—MC-III EXP Specications
Electrical Safety
Classication
Approved by CSA for US and Canada
Class I, Div. 1, Groups B, C, D (explosion-proof)
Type 4 enclosure
T6 temperature class
Approved by SIRA to
ATEX 10ATEX 1264X
IECEx SIR10.0127X
E
II 2 GD
Ex d IIC T6 Gb (-40°C to 70°C) or Ex tD A21 IP66 T85°C (-40°C to 70°C)
System Power Internal power supply
• 3.6 VDC, D-size lithium battery (2-year typical life)
• Alkaline battery pack containing 3 C-size industrial-grade batteries (CSA
only)
External power supply (6 to 30 VDC) with internal battery backup (reverse
polarity protected)
Loop-powered (4-20 mA) with internal battery backup
(reverse polarity protected)
Loop power: 8 to 30 VDC
Load resistance: 1100 ohms @ 30 VDC; 200 ohms @ 12 VDC
Operating Temperature Lithium-Powered: -40°C to 70°C (-40°F to 158°F)
Alkaline-Powered (CSA only): -18°C to 55°C (0°F to 130°F)
LCD contrast is reduced below -20°C (-4°F)
LCD Display 8-digit Total (volume) display (7-segment characters)
6-digit Rate display (11-segment characters for easy-to-read prompts)
0.3” character height
Adjustable contrast and update period
User-selectable units of measurement (Total):
• Preprogrammed units: BBL, GAL, LIT, M
3
, CF, SCF, any unit x 1000
• User-dened units
User-selectable units of measurement (Rate):
• Preprogrammed units: BBL, GAL, LIT, M
3
, CF, SCF (per DAY, HR,
MIN, SEC), any unit x 1000 (per DAY, HR, MIN, SEC)
• User-dened units
Keypad 6-key membrane switch
Communications/
Archive Retrieval
RS-485 Modbus
®
communications with transfer speeds up to 115.2K (allows
full download in less than 1 minute)
Logging 384 daily logs
768 hourly logs
345 event logs