GF Signet 2721 Preamplifier User Manual
Page 2
Georg Fischer Signet LLC, 3401 Aerojet Avenue, El Monte, CA 91731-2882 U.S.A. • Tel. (626) 571-2770 • Fax (626) 573-2057
For Worldwide Sales and Service, visit our website: www.gfsignet.com • Or call (in the U.S.): (800) 854-4090
For the most up-to-date information, please refer to our website at www.gfsignet.com
3-2721.090 Rev F 10/12 English
© Georg Fischer Signet LLC 2012
Black
Red
Brown
Green
V-
V+
mV Input
Iso. Gnd
T+
T-
Signet 8750
¾ in.
NPT
¾ in.
NPT
pH
3-2774-HT
3-2721
• The 2774-HT electrode is rated for temperature up to 110 °C (230 °F) and 150 psi (10.34 bar)
• This special-order electrode must be connected via the 2721 preamplifi er.
• Connect the RED and WHITE wires to the T+ and T– terminals of the 8750 instrument.
5. 2721
Preamplifi er and 2774-HT Special Purpose electrode