Hanna Instruments HI 142 Series - Manual (Page 2)

Recommendations for users
Before using these products, make sure that they are entirely suitable for the environment in
which they are used.
Operation of these instruments in residential areas could cause unacceptable interferences to
radio and TV equipments, requiring the operator to take all necessary steps to correct
interferences.
Any variation introduced by the user to the supplied equipment may degrade the instruments’
EMC performance.
To avoid damages or burns, do not perform any measurement in microwave ovens.
SALES & TECHNICAL SERVICE CONTACTS
IST142R1 05/05
For connecting the first HI142 datalogger to the HI504903
supervisor, make a cable for both RS485 and power supply
connections.
A 4-wire cable and an RJ11 jack (male connector) are
necessary, then follow the below diagram:
For connecting one HI142 datalogger to the next one, make
a cable as explained on the below diagram, by using a 4-
wire cable and two RJ11 jacks (male connectors):
CONNECTION CABLES
For connecting the HI142 datalogger network to a local PC
and to external power supply, make a cable following the
below diagram and plug it to either RJ11 female connector
on the logger.
Necessary material: a 4-wire cable, an RJ11 jack (male
connector), a 12 VDC adapter and an RS485 adapter with
Send Data Control connected to PC.
ACCESSORIES
HI 504903-1 GSM Supervisor (dual-band 900/1900 MHz;
with 115 Vac to 12 Vdc adapter)
HI 504903-2 GSM Supervisor (dual-band 900/1800 MHz;
with 230 Vac to 12 Vdc adapter)
HI 710005 115 Vac to 12 Vdc adapter, US plug
HI 710006 230 Vac to 12 Vdc adapter, European plug
HI 92140 Windows ® compatible software
Australia:
Tel. (03) 9769.0666 • Fax (03) 9769.0699
China:
Tel. (10) 88570068 • Fax (10) 88570060
Egypt:
Tel. & Fax (02) 2758.683
Germany:
Tel. (07851) 9129-0 • Fax (07851) 9129-99
Greece:
Tel. (210) 823.5192 • Fax (210) 884.0210
Indonesia:
Tel. (21) 4584.2941 • Fax (21) 4584.2942
Japan:
Tel. (03) 3258.9565 • Fax (03) 3258.9567
Korea:
Tel. (02) 2278.5147 • Fax (02) 2264.1729
Malaysia:
Tel. (603) 5638.9940 • Fax (603) 5638.9829
Singapore:
Tel. 6296.7118 • Fax 6291.6906
South Africa:
Tel. (011) 615.6076 • Fax (011) 615.8582
Taiwan:
Tel. 886.2.2739.3014 • Fax 886.2.2739.2983
Thailand:
Tel. 66-2 619-0708 • Fax 66-2619-0061
United Kingdom:
Tel. (01525) 850.855 • Fax (01525) 853.668
USA:
Tel. (401) 765.7500 • Fax (401) 765.7575
For e-mail contacts and complete list of Sales
and Technical offices, please see
www.hannainst.com
Note: It is recommended to terminate the line of the RS485
network, by plugging on the last HI142 the termina-
tion key supplied with the HI504903 supervisor, or
connecting a resistor of about 120
Ω
as shown here
below.