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pH / ORP


BI pH/ORP sensors are based on two different measurement techniques: Conventional combinational and Differential Electrode Measurement Technique (DEMT). Our range of conventional combinational sensors can withstand extreme temperatures from -5°C to 140°C. They have large reference junctions to minimize clogging problems by process media.

Unlike run of the mill pH/ORP sensors we also provide the DEMT sensor technology. These DEMT sensors provide unsurpassed accuracy, reduce reference junction fouling, and virtually eliminate ground loop problems. A field reparable model is also available to reduce downtime. These sensors are certified for use in hazardous areas too.

Our range of analyzers and transmitters come with a wide array of functional capabilities and control strategies to suit your needs.

The 2-wire transmitters are certified by CCOE, Nagpur for meeting intrinsic safety standards to eliminate the need for flame proof enclosures.

For extreme pH and hence difficult to measure applications our success has greatly depended on our retraction assembly. Some of these difficult to measure applications where we have proved our pH/ORP systems are caustic chlorine, enzymatic reactions such as 6APA, malathione, cyanide processing, scrubber for acidic gases, high purity water ….


pH / ORP Analyzers, Transmitters, Portables and Sensors

 
Product Selection Guide
 
Analyzers
Model
Isolated Outputs
(4-20 mA)
Readouts
Power
Display
Relays
Enclosure
Mounting
Style
Mounting Area
4
pH
230 VAC, 50/60 Hz
115 VAC, 50/60 Hz
LED
4
NEMA 4X
Surface, Panel, Pipe
Non-Hazardous
2
pH,TEMP
mV,mA

230 VAC,50/60Hz
115 VAC, 50/60 Hz

Backit LCD
2
NEMA 4X
Surface, Panel, Pipe
Non-Hazardous
1
pH, TEMP mV, mA
230 VAC, 50/60 Hz
115 VAC, 50/60 Hz
LCD
2
NEMA 4X
Surface, Panel, Pipe
Non-Hazardous
1
pH
230 VAC, 50/60 Hz
115 VAC, 50/60 Hz
LCD
2
NEMA 4X
Surface, Panel, Pipe
Non-Hazardous



Transmitters
Model
Isolated Outputs
(4-20 mA)
Readouts
Power
Display
Enclosure
Mounting
Style
Mounting Area
1
pH, TEMP mV, mA
24 VDC
LCD
NEMA 4X
Surface, Pipe
Hazardous
( Intrinsically Safe )
1
pH
24 VDC
LCD
NEMA 4X
Pipe
Hazardous
( Intrinsically Safe )
1
pH
24 VDC
LCD
NEMA 4X
Surface, Panel, Pipe
Hazardous
( Intrinsically Safe )
1
BLIND
(O/P-pH)
24 VDC
BLIND
NEMA 4X
Surface
Hazardous
( Intrinsically Safe )



Portables
Model
Readouts
Power
Display
Enclosure
Mounting
Style
Mounting Area
pH, mV, TEMP
3X2 LITHANUM BATTERY
LCD
NEMA 4X
Portable
Hazardous
( Intrinsically Safe )
pH, mV
9 VDC
BATTERY
LCD
NEMA 2X
Portable
Non-Hazardous


ORP (REDOX) - Most of the above instruments are available for ORP measurement and control


pH Sensors
Model
Measuring Technique
Mounting Style
Temp Element
Internal Preamplifier
Body Material
Temp/ Pressure Range
pH Range
Transmission Distance
DEMT
Flow  - Thru
Therm
PT-1000
Yes
PVDF HASTELLOY C
95 °C/100 Psig
0-14
3000 ft.
DEMT
Active
-Glass/Sb
Flow  - Thru submersion
Therm
PT-1000
Yes
PVDF
95 °C/100 Psig
0-14
(Linear
3-8 pH)
3000 ft.
COMBI
Flow  - Thru submersion
Therm
No
RYTON
140°C/150 Psig
0-14
3000 ft.
with Ext. Preamp
COMBI
Flow  - Thru submersion
Therm
No
RYTON
105 °C/150 Psig
0-14
3000 ft.
with Ext. Preamp
COMBI
Convertiable
Side Port
-
No
GLASS
135°C/25 Psig
0-14
3000 ft.
with Ext. Preamp
COMBI
Convertiable
Side Port
-
No
GLASS
135°C/25 Psig
0-14
3000 ft.
with Ext. Preamp
2042
COMBI
Convertiable
PT-1000
No
GLASS/
POLYMER
80°C/25Psig
0-14
3000 ft.
with Ext. Preamp
COMBI
-
-
No
GLASS
-
0-14
3000 ft.
with Ext. Preamp
COMBI
Convertiable
-
No
GLASS-
EPOXY
80°C/25 Psig
2-14
3000 ft.
with Ext. Preamp
-
-
-
-
-
-
-
-
COMBI
LAB
-
No
GLASS
80°C/25 Psig
0-14
LAB
COMBI
LAB
-
No
GLASS-
EPOXY
60°C/25 Psig
0-14
LAB


 

ORP Sensors
Model
Measuring Technique
Mounting Style
Temp Element
Internal Preamplifier
Body Material
Temp/ Pressure Range
pH Range
Transmission Distance
DEMT
Active-PT, AU
Flow  - Thru
Therm
PT-1000
Yes
PVDF HASTELLOY'C
95 °C/100 Psig
±2000 mV
3000 ft.
DEMT
Active
-PT, AU
Flow  - Thru submersion
Therm
PT-1000
Yes
PVDF
95 °C/100 Psig
±2000 mV
3000 ft.
COMBI
convertible Sideport
-
No
Glass
135 °C/25 Psig
±2000 mV
3000 ft.
with Ext. Preamp



Calibrator
Ph tester