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Dip Probes with Embedded Thermistor

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Our high-performance Zero-drift oxygen sensor stainless steel probes with an embedded thermistor are designed for monitoring of oxygen in gases and dissolved oxygen in liquids (water, blood,...). This fiber optic probe is 7"(17.78 cm) long and it has 1000/2000 micron polymer fiber. It is biocompatible and can be used in biological environment, life science,...

Factory calibration is included. 

Available with three different ODs: 

5/32" (0.156", 3.97 mm) OD
1/4" (0.250", 6.35 mm) OD  
12/32" (0.375",9.53 mm) OD

Our dip probes are provided with different overcoating:

1- With no overcoat with a response time (t90) of about 3 Seconds. 

2- With a white acrylic overcoating for reflected signal enhancement with a response time (t90) about 1 min. 

3- With a black acrylic overcoating to protect the sensor from UV, ambient light, environmental effects, and biofouling, with a response time of about 2 min. 


Dip Probes (AP formulation) Specifications

Response rate of probes

No Overcoating:  3 Secs.

White Overcoating:  ~1 min

Black Overcoating:   ~2 min

Dynamic range in gas

0-100% O2/0-760 mmHg O2

Dynamic range in water (DO)

0-40 ppm (wt)

Dynamic range in other liquids

0-oxygen saturation level

Resolution in gas

0.005% O2 / 0.04 mmHg

Resolution in water (DO)

0.002 ppm (wt) / 2.0 ppb (wt)

Resolution in other liquids

0.005% of oxygen saturation level


5% of reading

Lowest detectable level (gas)

0.005% O2 / 0.04 mmHg

Lowest detectable level (water)

0.002 ppm (wt) / 2.0 ppb (wt)

Lowest detectable level in other liquids

0.005% of oxygen saturation level

Sensor drift

Zero drift long-term continuous operation

Operating temperature

-50 to + 100 C

Probe lifetime

1 year before refurbishing

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