EVCO S.p.A.
EV3 HRV & EVD HRV | Application manual ver. 1.0a | Code 1443DHRVE104
page 69 of 74
EVJ LCD
- 12 VAC (±15%), 50/60 Hz (±3 Hz), max. 10 VA not insulated
- 12 VDC (±15%), max. 10 W not insulated
Rated impulse-withstand
voltage:
EV3 HRV
4 KV
EVD HRV
EV3K11
EVJ LCD
Over-voltage category:
EV3 HRV III
EVD HRV
II
EV3K11 Not applicable
EVJ LCD III
Software class and
structure:
EV3 HRV
A
EVD HRV
EV3K11
EVJ LCD
Clock:
EV3 HRV On request (with secondary lithium battery)
Battery autonomy in the absence of a power supply: > 6 months at 25 °C (77 °F)
Battery charging time: 24 h (the battery is charged by the power supply of the device)
Drift: ≤ 60 s/month at 25 °C (77 °F)
EVD HRV
EV3K11 not available
EVJ LCD not available
Analogue inputs:
EV3 HRV 7 inputs:
- 5 for NTC or dry contact probe
- 2 for NTC/4-20 mA/0-10 V or dry contact probe
EVD HRV
EV3K11 none
EVJ LCD none
NTC analogue inputs (10 K
Ω
Sensor type: ß3435
Measurement field: from -50 to 150 °C (from -58 to 248 °F)
Precision: ±0.5°C from -20 to 40°C, ±1°C from -40 to 120°C, ±2°C from -50 to 150°C
Resolution: 0.1 °C
Protection: none
Analogue inputs 4-20 mA
Input resistance: ≤ 200 Ω
Resolution: 0.02 mA
Protection: none; the maximum current permitted on each input is 25 mA
Analogue inputs 0-10 V
Input resistance:> 10 KΩ.
Measurement field: from 0.00 to 12.00 V
Precision: 0.1 V
Resolution: 0.02 V
Protection: none; the maximum current permitted on each input is 12.5 V
Digital inputs:
EV3 HRV 3 inputs:
- 2 dry contact/tachometric
- 1 dry contact
EVD HRV
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