Hach-Lange SI794 C User Manual User Manual
Page 103

103
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, protection class II
Nominal operating conditions
Ambient temp
-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
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 1/2" NPT 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