Hach-Lange SI794 D User Manual - Manual (Page 94)

Protection against electric shock
Safe electrical isolation of all extra-low-voltage circuits
against mains by double insulation to EN 61010-1
Power supply 24 (-15%) ... 230 V AC/DC (+10%); approx. 5 VA, 2.5 W
AC: 45 ... 65 Hz; Overvoltage category II, Class II
Nominal operating conditions
Ambient temperature -20 ... +55 °C
Transport/Storage temp -20 ... +70 °C
Relative humidity 10 ... 95% not condensing
Power supply 24 (-15%) ... 230 V AC/DC (+10%)
Frequency for AC 45 ... 65 Hz
EMC EN 61326
Emitted interference Class B (residential area)
Class A for mains > 60 V DC
Immunity to interference Industry
Enclosure Molded enclosure made of PBT (polybutylene terephtalate)
Color Bluish gray RAL 7031
Assembly • Wall mounting
• Pipe mounting: Ø 40 ... 60 mm 30 ... 45 mm
• Panel mounting, cutout to DIN 43 700
Sealed against panel
Dimensions H 144 mm, W 144 mm, D 105 mm
Ingress protection IP 65 / NEMA 4X
Cable glands 3 knockouts for cable glands M20x1.5
2 knockouts for NPT 1/2" or rigid metallic conduit
Weight Approx. 1 kg
* User-defined
1) To IEC 746 Part 1, at nominal operating conditions
2) ± 1 count
3) Plus sensor error
Specifications
94