Model ST925 DynaProbe pH Sensor
Specifications
Ordering Information

The ST925 probe can handle:

• High pressures
• Strong caustics
• Sanitation (CIP and Steam)

SPECIFICATIONS

pH Range

0-14 pH
1-13 with minimum
error

Temp Range

0 -130º C

Max Pressure/Temp

300 psig (With housing E-1876) at 120º C

Reference

Ag-AgCl

Wetted Materials

Ryton, Teflon, Glass,
Silicone O-ring

Standard cable length

15 Feet

Std. Connector

Ferrules

Maximum Suggested Flow Rate10 ft. (3 m) per second
Output Impedance <250 megohms at 25ºC
Chemical-resistant Wetted Materials
These high quality sensors are constructed of corrosion-resistant wetted materials including Ryton®, Teflon®, Silicone and glass.
Coaxial Porous Teflon Reference Junction The large annular junction resists fouling. Also, the sealed, patented reference electrode is highly resistant to poisoning.
Features Include
• Built-in temperature compensation
• Built-in solution ground
• Custom cable lengths available
• Choice of cable connectors

Suitable for High Temperature Applications Compatible with Most pH and ORP Analyzers


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Ordering Information
Call 1-800-288-2833 — For Price and Delivery


Before you call to place your order, please print out this page and fill in this PART# BOX by selecting from options below. Boxes 1-9 must be filled in.

Part #
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ST-925
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OPTIONS Check options 1-9 below to complete PART# BOX above.
1 — Liquid Junction
[T] Coaxial Teflon
[R] Recessed Coaxial Teflon
2-3 — Measurement Electrode
[33] pH, HT-3 Rugged Dome Bulb
[43] pH, HT-4 High pH bulb (for pH 13 and above)
[17] pH general purpose, flat bulb
[PB] ORP, Platinum Band
4 — Temperature Compensator: (for direct input into following manufacturer's preamp/instrument)
[0] T.C. not required
[1] 3K Ohms for most older Models of TBI/Bailey, Uniloc, and other US manufacturers
[9] 301 Ohms for older Great Lakes Models: 60, 70, 90, 570, and 690
[D] Pt 100 Ohms for Beckman Model SoluComp, TBI/Bailey (ABB) TB82 & TB84, Uniloc 1054, Foxboro 870 & 874, Yokogawa, and most European Models
[H] Pt 1OOO Ohms for Yokogawa, Conducta, Polymetron, LTH, & many European models
5 — Cable Type:
[A] Low Noise Coax - for more than 7 ft.
[E] Jacketed Coax w/ TC leads - for more than 7 ft.
[T] Teflon Coax ( > 80º service ) for more than 7 ft.
[U] Jacketed Teflon Coax w/TC leads ( > 800 service ) for more than 7 ft.
6-7 — Cable Length:
[07] 7 ft. is standard length
[XX] Specify length (in feet) above 7 ft. standard length
8-9 — Required Sensor Connectors:
[BC] BNC only (for use with ORP electrodes or with sensors w/o TC or solution ground)
[FB] BNC for pH and ferrules on all other leads (for use with Terminal Block or Terminal Strip)
[FF] All Ferrule connectors ( for use with Terminal block or Terminal Strip)

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