Georg Fischer 2610 Specifications
Signet 2610 Process Optical Dissolved Oxygen Sensor
Gen II
Features
• Two year measurement cap life
• Optical DO measurement, no fl ow requirements
• Rugged construction
• Calibration built into the measurement cap
2% of range 0 to 20 mg/l
• No membranes or fi lling solutions
• Flexible communications
The Signet 2610 RDO® Pro is a rugged, reliable sensor
designed to deliver accurate dissolved oxygen (DO)
data across a wide measuring range while reducing
maintenance costs. It features the latest optical
technology for DO measurement and eliminates the
replacement of membrane and reference solutions.
The Signet 2610 optical sensor cap is calibrated at the
factory and requires no fi eld calibration. The optical
measurement technology resists abrasion and bleaching
allowing for a long life in many harsh applications. The
DO sensor has a built in Modbus RS485 and 4 to 20 mA
current loop outputs for ease of interface to existing
control systems. The 3-2610-51 version includes the
Signet digital (S3L) interface for direct connection with
the 9900 SmartPro® Transmitter, 9950 SmartPro®
Dual Channel Transmitter and 8900 Multi-Parameter
Controller.
Additional features include a 10 m (32.8 ft) cable
with stripped and tinned ends as well as a titanium
temperature sensor for improved compatibility in salt
water applications.
Digital (S3L), 4 to 20 mA or Modbus
• Measurement Range: 0 to 20 mg/L,
in-line or submersible
• 3-2610-51 compatible with 9900
SmartPro Transmitter, 9950 SmartPro
Dual Channel Transmitter and
8900 Multi-Parameter Controller
Applications
• Municipal and Industrial Wastewater
Treatment
• Drinking Water Reservoir Monitoring
• Environmental Water Discharge Monitoring
• Aquatic Life Support
Panel Mount
Signet Instruments
8900 9900 9950
ENTER
Signet 2610-51
Process Optical
Dissolved Oxygen Sensor
System Overview
Pipe, Tank, Wall
Signet Instruments
9900
with 3-8050 Universal Mount Kit
+
4 to 20 Input
Customer Supplied Chart Recorder,
Programmable Logic Controller, or
Programmable Automation Controller
PLC
OR
Automation System
0486 Profibus Concentrator
and Customer Supplied
Programmable Logic Controller or
Programmable Automation Controller
L IN+
L IN-
N/C
L OUT+
L OUT-
N/C
L IN+
L IN-
+5V OUT
DATA
GND
L IN+
L IN-
+5V OUT
DATA
GND
Out
In
S3LLoop
S3L Loop
USB
Profibus
Channel 5
Channel 6Channel 7
Valve
Signet 3-0486 Profibus Concentrator
Address
Power
Channel 1
Channel 2
Channel 3
Channel 4
24 VDC
0.40A Max
S3LFreq
S3LFreq
S3LFreq
S3LFreq
+5V OUT
+5V OUT
+5V OUT
+5V OUT
Freq IN
Freq IN
Freq IN
PWR+
PWR+
PWR+
PWR-
PWR-
PWR-
DATA
DATA
DATA
GND
GND
GND
PLC
+
Freq IN
DATA
GND
In-line Installation
Signet Pipe Adapter
3-2610.501
All sold separately
Specifi cations
General
Sensor Type Luminescent dissolved oxygen sensor
Transmitter/Local Display Optional, not required. Compatible with 8900 and SmartPro instruments
Communications Options Digital (S
Maximum Cable Length Modbus and 4 to 20 mA: up to 1,219 m (4,000 ft) Digital (S
Internal Mounting Thread 1¼ NPT
Power Requirements 12 to 24 VDC ±10% regulated
4 to 20 mA output span 0 to 20 mg/L
Performance
Salinity Range 0 to 42 PSU, fi xed or real-time capable
pH Range 2 to 10 pH
Barometric Range 507 to 1,115 mbar, fi xed or real-time capable
Maximum Pressure 300 psi
Range 0 to 20 mg/L concentration, 0 to 200% saturation
Accuracy (DO) ±0.1 mg/L, 0 to 8 mg/L,
±0.2 mg/L, 8 to 20 mg/L
Response Time of Cap T90: 30 sec
T95: 37 sec @ 25 °C
Repeatability 0.05 mg/L
Resolution 0.01 mg/L
Environmental
Wetted Materials ABS, Titanium and FKM
Usage Life of Cap 2 years from the fi rst instrument reading
Shelf Life of Cap 24 months from date of manufacture (install within 12 mo. of manufacture)
Operating Temperature 0 °C to 50 °C 32 °F to 122 °F
IP Rating IP-67 with cap o , IP-68 with cap installed
Compliance Heavy industrial, IEC 61000-6-2:2005
Storage Conditions, Cap 1 °C to 60 °C 33 °F to 140 °F, in factory container
Storage Conditions, Sensor -5 °C to 60 °C 23 °F to 140 °F
Warranty
Sensor 3 years from date of manufacture
Standards and Approvals
CE, FCC
RoHS Compliant, China RoHS
3
L), 4 to 20 mA, Modbus (RS485)
3
L): 38 m (125 ft)
Dimensions
Protective
Cap
43.7 mm
(Ø 1.72 in.)
RDO is a registered trademark of In-Situ® Inc., Fort Collins, CO USA
Temperature
Sensor
20.3 cm
(8.0 in.)
29 mm
(1.14 in.)
10 m (32.8 ft)
standard
cable length
Thread
1¼ NPT
x 25 mm (1.0 in.) deep
Ordering Information
Mfr. Part No. Code Description
3-2610-51 159 001 849 Gen II Optical Dissolved Oxygen Sensor (0 to 20 ppm) with Digital S
3-2610.392 159 310 122 Replacement Optical Dissolved Oxygen Sensor Cap (0 to 20 ppm) for 3-2610-31 and 3-2610-41 DO Sensors
3-2610.394 159 310 301 Replacement Optical Dissolved Oxygen Sensor cap (0 to 20 ppm) for Gen II 3-2610-51 DO Sensor
3-2610.501 159 500 413 DO Threaded Pipe Adapter kit, includes one each: 2 in. male NPT pipe adapter, 1¼ in. closed nipple, ¾ in.
closed nipple.
3-0252 159 001 808 Confi guration Tool
For installation options, see instruction manual and Specials Catalog (3-0000.720)
3-2610.099 Rev G (04/18)
© Georg Fischer Signet LLC
3401 Aero Jet Avenue, El Monte, CA 91731-2882 U.S.A. • Tel. (626) 571-2770 • Fax (626) 573-2057 • www.gfsignet.com • e-mail: signet.ps@georgfi scher.com
Specifi cations subject to change without notice. All rights reserved. All corporate names and trademarks stated herein are the property of their respective companies.
3
L, 4 to 20 mA, and Modbus output
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