Optional Potentiometric Position Transmitter Specifications; To 20 Ma Position Transmitter Specifications - ABB AV3 Instruction Manual

Table 1-4. Optional Potentiometric Position Transmitter
Specifications (Type AV33
Property
2,000 Ω ±20%
Total Resistance
Power Rating 1 W up to 70°C (158°F)
0 W at or above 125°C (257°F)
9.9 Ω nominal per degree of cam rotation
Wiper Rate of
Change
0.05% (500 ppm) per °C
Temperature Effect
0.03% (278 ppm) per °F maximum
Maximum Voltage 35 VDC or 30 VAC across the potentiometer ends
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
Table 1-5. 4 to 20 mA Position Transmitter Specifications
(Type AV33
Property
Supply Voltage 16 to 34 VDC
Output Signal 4 to 20 mA
500 Ω at 24 VDC
Output Loading
1000 Ω at 34 VDC
Accuracy 0.6% of span maximum
Hysteresis 0.5% of span maximum
Repeatability 0.4% of span maximum
0.063% per °C
Ambient Tempera-
0.035% per °F
ture Effect
EMI/RFI Effect 1.5% maximum at 10 volts per meter field
strength, 20 to 450 MHz
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
Table 1-6. Agency Approvals
Nomenclature
1, 2
AV3/4
NOTES:
1. Approvals and certifications pending. The position transmitters of Type AV3/4
tioners are CSA certified and FM approved in the categories listed.
2. Hazardous location approvals for use in flammable atmospheres are for ambient conditions of
-25° to 40°C (-13° to 104°F), 86 to 106 kPa (12.5 to 15.7 psi) with a maximum oxygen concentra-
tion of 21%.
1 Only)
Characteristic/Value
2 and AV44
Characteristic/Value
Approval/Certification
FM and CSA approval and certifications in the
following categories:
Nonincendive for Class I, Division 2,
Groups A, B, C, D.
Intrinsically safe for Class I, Division 1,
Groups A, B, C, D, when used with an
approved intrinsic safety barrier.
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