Specifications - GF Signet 276 Differential Series Operating Instructions Manual

Specifi cations
276X Series Diff erential Electrodes
277X Series Threaded Electrodes
General
Compatibility ......................... Signet 2751 and 2760
Shipping Weight ................... 0.25 kg (0.55 lbs.)
Operating Range
276X Series ......................... 0 to 14 pH, ± 1500 mV ORP
277X Series .......................... 0 to 14 pH, ± 2000 mV ORP
Reference Electrolyte
276X Series ......................... Buff ered KNO
277X Series ......................... KCI/AgCl gel with KNO
Reference Element
276X Series .......................... pH glass electrode
277X Series .......................... Ag/AgCl
Temperature Sensor
276X Series pH .................... 3 KΩ or Pt1000 RTD
277X Series pH .................... 3 KΩ or Pt1000 RTD
276X Series ORP ................. 10 KΩ ID for Signet instruments;
277X Series ORP ................. 10 KΩ ID for Signet instruments
Wetted Materials
Body ..................................... Ryton
Reference junctions .............. PTFE
Sensing surface .................... Glass (pH), Platinum (ORP)
O-rings .................................. FKM
Solution ground .................... Carbon graphite
Operating Temperature
276X Series .......................... 0 °C to 95 °C (32 °F to 203 °F)
277X Series .......................... 0 °C to 85 °C (32 °F to 185 °F)
Storage Temperature ............ > 0 °C (32 °F)
Max Operating Pressure ..... 6.89 bar (100 psi)
275X Series Wet-Tap Electrodes
General
Compatibility ......................... Signet 2751 and 2760
Shipping Weight ................... 0.25 kg (0.55 lbs.)
Operating Range .................. 0 to 14 pH, ± 1500 mV ORP
Reference Electrolyte ........... Polymerized Acrylamide Gel
Wet-Tap electrolyte ............... 3.5 M KCl
Reference Element ............... Ag/AgCl
pH Temp Sensor ................... Pt1000 RTD or 3 KΩ Balco
ORP Identifi cation ................. 10 KΩ ID for Signet instruments
Wetted Materials
Wet-Tap body ....................... PAS (Poly Aryl Sulphone)
Wet-Tap Junctions ................ Porous PTFE
Sensing surface .................... Glass (pH), Platinum (ORP)
O-rings .................................. FKM
Temperatures
Operating Temperature ......... 0 °C to 85 °C (32 °F to 185 °F)
Storage Temperature ............ 0 °C to 85 °C (32 °F to 185 °F)
Maximum Temperature and Pressure rating
6.89 bar @ 0 °C to 65 °C (100 psi @ 32 °F to 149 °F)
4.00 bar @ 65 °C to 85 °C (58 psi @ 150 °F to 185 °F)
Ryton ® is a registered trademark of Chevron Phillips Chemical
solution
3
salt
3
bridge
®
(276X series only)
pH/ORP Electrodes
276X Series and 277X Series
bar
psi
Pressure vs. Temperature
6.89
100
6
80
277X Series
0 °C to 85 °C @ 6.89 bar
(32 °F to 185 °F @ 100 psi)
60
4
40
2
20
0 10 20 30
°C
32 50 86
°F
Standards and Approvals
• CE, WEEE, RoHS Compliant
• Manufactured under ISO 9001 for Quality,
ISO 14001 for Environmental Management and
OHSAS 18001 for Occupational Health and Safety.
China RoHS (Go to www.gfsignet.com for details)
Declaration of Conformity according to FCC Part 15
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received,
including interference that may cause undesired operation.
REACH Information Obligation: in accordance with Article 33
of the European REACH Regulation (EC) No. 1907/2006, the
substances Lead and Acrylamide are present in the glass
matrix and as a polymerized gel respectively; in a concentration
>0.1% (w/w). During normal use, the articles do not pose any
risks and no additional information is required for safe use.
Signet 275X, 276X, 2777X Series pH and ORP Electrodes
40 50 60 70 80 90 100
122 176 212
3