English 3 - Hach SC4500 User Instructions

Table of Contents
1 Specifications on page 3
2 General information
Section 1 Specifications
Specifications are subject to change without notice.
Specification
Current
Loop resistance
Wiring
Operating
temperature
Storage temperature
Certification
Section 2 General information
In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential
damages resulting from any defect or omission in this manual. The manufacturer reserves the right to
make changes in this manual and the products it describes at any time, without notice or obligation.
Revised editions are found on the manufacturer's website.
2.1 Safety information
The manufacturer is not responsible for any damages due to misapplication or misuse of this product
including, without limitation, direct, incidental and consequential damages, and disclaims such
damages to the full extent permitted under applicable law. The user is soley responsible to identify
critical application risks and install appropriate mechanisms to protect processes during a possible
equipment malfunction.
Please read this entire manual before unpacking, setting up or operating this equipment. Pay
attention to all danger and caution statements. Failure to do so could result in serious injury to the
operator or damage to the equipment.
Make sure that the protection provided by this equipment is not impaired. Do not use or install this
equipment in any manner other than that specified in this manual.
2.1.1 Use of hazard information
Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or
serious injury.
Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death
or serious injury.
1
Do not use wire gauge other than 0.08 to 1.5 mm
from mains power and relay circuits.
on page 3
Details
23 mA maximum
12–18 VDC power supply: 0–250 Ω; 18–24 VDC power supply: 250–500 Ω
Wire gauge: 0.08 to 1.5 mm
1
300 VAC or higher
–20 to 60 °C (–4 to 140 °F); 95% relative humidity, non-condensing
–20 to 70 °C (–4 to 158 °F); 95% relative humidity, non-condensing
Listed for use with the SC4200c/SC4500 controller in Class 1, Division 2,
Group A, B, C and D, Zone 2, Group IIC hazardous locations to FM and
CSA safety standards by ETL
D A N G E R
W A R N I N G
3 Installation on page 5
4 Configuration on page 13
2
(28 to 16 AWG) with an insulation rating of
2
(28 to 16 AWG), unless wires can be isolated

English 3