Справочник Пользователя для Emerson 5081-P
Non-Incendive:
Class I, div. 2, Groups A-d
dust Ignition Proof
Class II & III, div. 1, Groups E-G
Type 4X Enclosure
dust Ignition Proof
Class II & III, div. 1, Groups E-G
Type 4X Enclosure
Class I, div. 2, Groups A-d
Suitable for
Class II, div. 2, Groups E-G
T4
Suitable for
Class II, div. 2, Groups E-G
T4
Tamb = 70°C
Explosion-Proof:
Class I, div. 1, Groups B-d
Class II, div. 1, Groups E-G
Class III, div. 1
Class II, div. 1, Groups E-G
Class III, div. 1
Class I, Groups B-d
Class II, Groups E-G
Class III
Tamb = 65°C max
Class II, Groups E-G
Class III
Tamb = 65°C max
MODEL 5081-P pH/ORP
SECTION 1.0
DESCRIPTION AND SPECIFICATIONS
Accuracy: ±1 mV @ 25°C ±0.01 pH
Repeatability: ±1 mV @ 25°C ±0.01 pH
Stability: 0.25% / year @ 25°C
Diagnostics: The internal diagnostics can detect:
Repeatability: ±1 mV @ 25°C ±0.01 pH
Stability: 0.25% / year @ 25°C
Diagnostics: The internal diagnostics can detect:
Calibration Error
Low Temperature Error
High Temperature Error Sensor Failure
Line Failure
Line Failure
CPu Failure
ROM Failure
Input Warning
Glass Failure
Glass Warning
Reference Failure
Reference Warning
Once one of the above is diagnosed, the LCd will display a message describing the failure/default detected.
Digital Communications as applicable by model:
HART (pH): PV assigned to pH. SV, TV, and 4V assignable to pH, temperature, mV, glass impedance, reference
impedance, or RTd resistance.
HART (ORP): PV assigned to ORP. SV, TV, and 4V assignable to ORP, temperature, reference impedance, or RTd
resistance.
Fieldbus (pH): Four AI blocks assigned to pH, temperature, reference impedance, and glass impedance.
Fieldbus (ORP): Three AI blocks assigned to ORP, temperature, and reference impedance.
Fieldbus (ORP): Three AI blocks assigned to ORP, temperature, and reference impedance.
3
1.3 HAzARDOUS LOCATION APPROvAL
Intrinsic Safety:
Class I, II, III, div. 1
Groups A-G
T4
Groups A-G
T4
Tamb = 70°C
Exia Entity
Class I, Groups A-d
Class II, Groups E-G
Class III
T4
Class I, Groups A-d
Class II, Groups E-G
Class III
T4
Tamb = 70°C
IECEx BAS 09.0159X
Ex ia IIC T4 Ga
Ex ia IIC T4 Ga
0600 II 1 G
Baseefa02ATEX1284
EEx ia IIC T4
Tamb = -20°C to +65°C
EEx ia IIC T4
Tamb = -20°C to +65°C
ATEx and IECEx Special Conditions for Use: The model
5081 enclosure is made of aluminum alloy and is given a pro-
tective polyurethane paint finish. However, care should be taken
to protect it from impact or abrasion if located in a zone 0 haz-
ardous area.
ATEx