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Signet 5700 pH/ORP Monitor - ORP Instructions
*3-5700.090-1*
3-5700.090-1
Rev. K 3/06 English/ORP
Contents
1. Power Connections
2. Compatible Electrode/Preamp Wiring
Remove terminal blocks for easy wiring
1.
1. Power Connections
CAUTION!
Never connect 110 VAC or 220 VAC to
rear power terminals. High voltage AC
will damage instrument and void warranty.
5700
Terminals
12-24 V
10 W
+
-
-
+
= Double Insulated
= DC or AC power
Technical Notes:
•
To reduce the possibility of noise interference, isolate AC power lines from signal lines.
•
Maximum 4-20 mA loop impedance (sec. 3) is affected by the supply voltage.
•
Use six conductor shielded cable for cable extensions up to 120 m (400 ft) max. (#5523-0064)
•
Cable shield must be maintained through cable splice.
1 2 3 4 5 6
1 2 3 4
+
+
Gnd
1
2
Gnd
PLS
AUX
Total
output
output
reset
Std. Sensor
Open Collector
U L
Sensor
LISTED
77CJ
12-24 V
10 W
+
-
External power
supply
12 - 24 VDC
OR
CAUTION!
• Refer to instruction manual for more details.
• Remove power to unit before wiring input and output
connections.
•
Follow instructions carefully to avoid personal injury.
10. Troubleshooting
11. Maintenance
2.
3.
2. Compatible Electrode/Preamp Wiring
Silver (earth ground)
Brown
Blue
Green
White
Red
Black
+
4-20
mA
1 2 3 4 5 6
1 2 3 4
+
+
Gnd
Gnd
1
2
PLS
AUX
Total
output
output
reset
Std. Sensor
Open Collector
U L
Sensor
LISTED
77CJ
12-24 V
10 W
+
-
Preamp:
Signet 2720
Twist-Lock
-
Electrodes
5700
Terminals
English
Preamp:
Signet 2760-1
Signet 2760-2
DryLoc
Electrodes
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Table of Contents
Summary of Contents for GF Signet 5700
-
Page 1: Table Of Contents
Signet 5700 pH/ORP Monitor - ORP Instructions English *3-5700.090-1* CAUTION! • Refer to instruction manual for more details. 3-5700.090-1 Rev. K 3/06 English/ORP • Remove power to unit before wiring input and output connections. • Follow instructions carefully to avoid personal injury. -
Page 2: 20 Ma Current Output Connections
To isolate output and prevent ground loop problems: 4-20 1. Use monitor device with isolated inputs, or 5700 2. Use separate DC supply for 5700 and monitor device, or Terminals 3. Power 5700 with12 - 24 VAC step down transformer 4. Relay Connections... -
Page 3: Menu Functions
Press and release to access EASY CAL Procedure G. EASY CAL: press the right arrow Buffer calibration key to access the EASY CAL ↑A buffer calibration procedure (sec. See EASY CAL Procedure (Section 6.2) 6.2). Signet 5700 pH/ORP Monitor - ORP Instructions... - Page 4 Differences in excess of 50 mV may indicate a need to service the electrode. Refer to electrode manual for maintenance recommendations. Theoretical mV values pH @ 25 °C +296 +237 +177 +118 - 59 - 118 - 177 - 237 - 296 Signet 5700 pH/ORP Monitor - ORP Instructions...
- Page 5 Quick Reference Calibration Procedures: 1-Point Calibration (optional): 2-Point Quick Calibration (recommended): 1. Set solution standard (step B) 1. Set solution standard (step B) 2. Set solution slope (step C) Signet 5700 pH/ORP Monitor - ORP Instructions...
-
Page 6: Options Menu
• Power supply, 120 VAC - 24 VAC, #3-5000.075 • pH buffer kit, pH 4.0, 7.0, 10.0, #3-0700.390 (code 198 864 403) • Front snap-on bezel, #3-5000.525 (code 198 840 226) • 5700 pH/ORP instruction sheet, #3-5700.090-1 (code 198 869 915) Signet 5700 pH/ORP Monitor - ORP Instructions... -
Page 7: Specifi Cations
+1000 96 mm 91 mm 88 mm (3.6 in.) (3.8 in.) (3.5 in.) Side View ENTER Signet Monitor 76 mm (3 in.) Front View 96 mm (3.8 in.) 88 mm (3.5 in.) (continued) Signet 5700 pH/ORP Monitor - ORP Instructions... -
Page 8: Quick Reference Menu Parameters
Last calibration 00 - 00 - 00 - date 39 - 39 - 99 EASY CAL Two pH buffers saturated procedure with Quinhydrone required: pH 4= +87 mV, pH 7= +264 mV, (sec. 6.2) Signet 5700 pH/ORP Monitor - ORP Instructions... - Page 9 -1000 mV -1000 - +2000 mV 20 mA setpoint -1000 - +1000 mV +2000 mV 4 mA adjust 3.0 to 5.0 mA 4.00 mA 20 mA adjust 19 to 21 mA 20.00 mA Signet 5700 pH/ORP Monitor - ORP Instructions...
- Page 10 • Power instrument and verify 0 mV on display. If 0 mV is not displayed, calibrate Standard input for 0 mV (sec. 6.3B) • If instrument displays correctly after calibration, instrument is ok. If error condition persists, instrument requires factory service. (continued) Signet 5700 pH/ORP Monitor - ORP Instructions...
- Page 11 Press any key to reload factory defaults then reprogram sys- ERROR saving setup menu entry tem setup parameters. Press any Key 11. Maintenance Clean the instrument case and front panel with a soft cloth and a mild soap solution. Notes: Signet 5700 pH/ORP Monitor - ORP Instructions...
- Page 12 George Fischer Signet, Inc. 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 3-5700.090-1 Rev. K 3/06 English/ORP ©...
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