General Information; Safety Information; Use Of Hazard Information - Hach AS950 Grundlegende Installation Und Wartung

Specification
Wetted materials
Memory
Communications
Electrical connections
Analog outputs
Analog inputs
Digital outputs
Relays
Certifications

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.

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 solely 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.

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.
Indicates a potentially hazardous situation that may result in minor or moderate injury.
Details
Stainless steel, polyethylene, Teflon, Ultem, silicone
Sample history: 4000 records; Data log: 325,000 records; Event log:
2000 records
USB and optional RS485 (Modbus)
Power, auxiliary, optional sensors (2x), USB, distributor arm, optional rain
gauge
AUX port: none; optional IO9000 module: Three 0/4–20 mA outputs to
supply the recorded measurements (e.g., level, velocity, flow and pH) to
external instruments
AUX port: One 0/4–20 mA input for flow pacing; optional IO9000 module:
Two 0/4–20 mA inputs to receive measurements from external instruments
(e.g., third-party ultrasonic level)
AUX port: none; optional IO9000 module: Four low voltage, contact closure
outputs that each supply a digital signal for an alarm event
AUX port: none; optional IO9000 module: Four relays controlled by alarm
events
CE, cETLus
N O T I C E
D A N G E R
W A R N I N G
C A U T I O N
English 5