Page 370 - Bürkert

Technical Data (continued)
Environment Specifications Ex
Ambient temperature - Protection Categories 1/2G or 2G
with display, adjustment -20 to +70°C (-4 to 158°F)
elements (operation and storage) - Certification EEx ia IIC T6
Relative humidity Max. 75% (operation), max. 85% (storage); Conformity
without condensation specifications 2)
Standards and approvals Operating voltage Ui 30 V 8177
Protection IP66/IP67 with M20 x 1.5 gland mounted and Short circuit rating li 131 mA
Power limitation Pi
983 mW
tightened Ambient temperature -20 to +41°C (-4 to 105.8°F)
Overvoltage category III (dependent on categories)
Protection class II Internal capacity Ci negligible
Standard Internal inductivity Li negligible
EMC EN61326 2) Homologation certificate PTB 07 ATEX 2003X
Security EN61010-1
NAMUR NE 21; NE 43
2)
Approvals ATEX : EN50014; EN50020; EN50284

Ordering Chart (versions with display)
Process connection Range Range
Area of application Electrical connection Item no.
[inch] (liquids) (solids)
8177
Without Ex G 2” ISO 228 0.4 - 8 m 0.4 - 3.5 m M20 cable gland 558 224

Ex G 2” ISO 228 0.4 - 8 m 0.4 - 3.5 m M20 cable gland 558 226

Note: Display not included, must be ordered separately (see accessories)

Accessories for Type 8177

Description Item no.
Set with 2 reductions M20 x 1.5/NPT½” + 2 neoprene flat seals for cable gland + 2 screw-plugs M20 x 1.5 551 782

Set with a display/configuration module, a transparent cover and a seal ring 559 279

Set with a transparent cover and a seal ring 561 006

Accuracy diagram Load diagram

1000
16 mm 750
3
10 mm 500 2
1
250
4 mm
4
m 14 16 18 20 22 24 26 28 30 32 34 36
1 2 3 4 5 6 7 8 V
-4 mm
1 HART load
-10 mm 2 Voltage limit Ex ia instrument
3 Voltage limit non-Ex instrument
-16 mm
4 Operating voltage

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