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Thermistor Probes
Series 700
Linear
Laboratory
OL-701-PP General Purpose
Water resistant. Can be buried
for sub-soil readings.
OL-709-PP Attachable Surface
Temperature Stainless steel cup, epoxy
backed. Easy to tape on flat surfaces.
OL-705-PP Air Temperature Stainless
steel probe suitable for test rooms,
incubators, remote air readings.
OL-706-PP Same as the OL-705-PP,
but with an economical plastic housing.
OL-703-PP Tubular Stainless steel
probe for rugged duty. Often used for
liquid immersion. Immersible only to
transition fitting.
OL-710-PP Tubular with Fitting
Rugged stainless steel probe with
pipe fitting. Suitable for use in pipes
or closed vessels.
Series 700 Linear Response probe assemblies are fitted with precision 44018 linear
thermistor elements rated to 100°C (212°F). Each is supplied with 3 m (10') of vinyl
covered lead wire. A three (3) conductor phone plug is standard termination. To order
longer leads, place an “x” after the model number and specify length up to 76 m
(250'). Additional lead lengths are available for an additional cost per 300 mm (12").
Phone Plug
Connector
*Add suffix “-V” for vinyl tipped version
OL-701-PP*
OL-709-PP
OL-705-PP**
OL-703-PP
OL-710-PP
**For economical plastic version of OL-705-PP,
order Model No. OL-706-PP.
D
Thermistor Probes
For Use with Heavy
Duty HDX Handle
THX-700 probes are designed to work
with the heavy duty HDX handle. Each
probe has a 3-prong OTP-copper
connector termination and precision
44018 linear thermistor element, rated
up to 100°C (212°F), which will work
with all readout instruments designed
for Series 700 probes.
Quick Disconnect
The General Purpose Probe is for
general purpose gas and liquid
immersion measurements. Made from
a rugged 3.1 mm (
steel sheath, 300 mm (12") long, it will
adapt to most process applications.
The Penetration Probe easily pierces
soft and semi-frozen material as well as
soil and sand. Made from a rugged
3.1 mm (
sheath, 300 mm (12") long.
The Air Probe is for HVAC applications.
The small diameter sheath and
radiation hood easily fit into duct-work,
grilles, and vents. The probe will work
with the OMEGA
can be permanently mounted using
OMEGALOK
1
⁄8") OD 304 stainless steel
1
⁄8") OD 304 stainless
®
HDX handle or
®
compression fittings.
HDX-OTP Series
THX-700-GP-12
THX-700-NP-12
THX-700-AP-12
Handle
Heavy Duty
HDX Handle
Shown smaller
than actual size
General Purpose Probe
Aluminum Die
Cast Handle
Retractable cable
Penetration Probe
Air Probe
CUSTOM ASSEMBLIES AVAILABLE!
Series 700 probes are available with other elements for different ranges and in other lengths
and configurations. Contact Custom Engineering for a quotation.
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Linear Response Probes Series 700
)
-OL708
DIM
Series 700 Temperature Probes use the 44018
thermistor composite as the temperature sensor.
On special order, probes can also be built with 44019
Probes is to provide a complete probe assembly
for use with the circuits accepting the 44018 or
44019A thermistor composite.
thermistor composite. The purpose of the Series 700
To Order
Configuration Model Number Description
1''
and sub-soil readings. Most rugged. probe.
OL-701
General Purpose. Used for short-term water
Waterproof construction.
3.6 (9/64) D
OL-701-V
vinyl tipped version of above model.
OL-702 Small Flexible. Vinyl sheath and tip. Cuvette
5.6
temperatures. General purpose measurement.
7
(
/32) D
3.2
1
(
/8)
OL-731 General Purpose. Non-immersible, epoxy tipped
probe. Can be plotted in place. Probe is suitable
3.2
for temperature measurement on surfaces.
1
(
/8)
OL-708 “Banjo” Surface Temperature. Water bath, air
surfaces temperatures. Stainless steel.
OL-709 Attachable Surface Temperature. Stainless
7.9 (5/16) Max
330 (13)
9
(
/32)
7.1
10.3
5
2 (
/64)
5
92 (3
11 (7/16) D
6.4
610 (24)
(13
/32) D
17 Gauge
/8)
mm (inches)
(1
/4) Max
4.0
7.9
5
/16) D approx
(
mm (inches
mm (inches)
38 (11/2)
5
(
/32) D
General Purpose.
Water resistant, soft, flexible,
steel cup, epoxy backed. Easy to tape on flat
surfaces. Good for heat loss or compression
efficiency study of piping.
3.2 (
1
/8)
mm (inches)
4.8
3
(
/16) D
OL-729 Small Surface Temperature. Cuvette, water,bath,
leaf and other surfaces. 610 mm (24") PFA-covered
flexible wire. Stainless steel disc with epoxy back.
13
1
(
/2) D
OL-705 Air Temperature. Stainless steel probe suitable
1.6 (1/16)
MAX
610 (24)
3.2 (
1
/8)
mm (inches)
32
1
(1
/4)
for test rooms, incubators, remote air readings,
OL-706 monitoring of gas streams. etc.
OL-706 has an economical plastic housing.
OL-703 Tubular. Stainless steel probe for rugged duty.
Often used for liquid immersion. Probe is
immersible only to cap.
114 (4 1/2)
3.2 (1/8) D
5.6 (0.220)
mm (inches)
22.2
7
/8)
(
mm (inches)
OL-704 Tubular-Glass. Chemically inert for liquid
immersion use. Thermometric titration. Freezing
point determination. Pyrex, 127 mm (5") long.
9
/16
OL-710 Tubular With Fitting. Rugged, stainless steel
4.8 (3/16) D
114 (41/2)
probe with pipe fitting. Suitable for taking
readings in pipes or inside closed vessels.
1
/8 NPT
3.2 (1/8) D
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