Product guide

23
...setting the standard again and again
®
▼ THERMISTOR
Flexible 400-Series Thermistor Probes
Excellent accuracy over the biological temperature range
Probes are accurate to ±0.2°F from 32 to 150°F (±0.1°C from 0 to 70°C). Electrically isolated
probes include a nondetachable 10-ft lead with
1
⁄4" phono plug (except as noted).
Specifications & Ordering Information
1
⁄4" phono plug
1
⁄8" dia
5
⁄16" max
13"
4
1
⁄2"
7
⁄8"
3
⁄8" dia,
10-ft L flat lead, 0.05" x 0.132"
1
⁄8" thick
3
⁄16" max
9
⁄64" dia
5
⁄16" max
5
⁄32" dia
3
⁄16"
3" copper wire
3
⁄16" dia
5"
1
⁄8" dia
2
1
⁄2"
3
⁄32" dia
4
1
⁄2"1
3
⁄16"
5
⁄32" dia
1
⁄8" NPT
5
⁄32" dia
1
⁄8" NPT
1
3
⁄16"1"
1
⁄2" dia
1
7
⁄8"
1
⁄4" dia
13
⁄32" dia,
5
⁄64" thick
17 gauge
1
1
⁄4"3
5
⁄8"
3
⁄16" dia,
3
⁄32" thick
24"
1
⁄16" dia
5
⁄32" dia
1
⁄4"
4
11
⁄16"
7
⁄8"
Catalog number Description Temperature range Dimensions
WD-08491-02
General-purpose probe, immersible
for short-term deep-water and sub soil
readings. V
inyl sheath and tip. 10-ft lead.
–40 to 212°F (–40 to 100°C)
WD-08491-04
Like 08491-02 above, but with 50-ft lead.
WD-08491-03
Like 08491-02 above, but with 100-ft lead.
WD-08491-05
Small flexible probe, vinyl sheath and tip.
–40 to 212°F (–40 to 100°C)
WD-08491-06
Liquid-immersion probe,
5
⁄32" dia,
316 stainless steel (SS). Immersible only
to cap unless waterproofed.
–40 to 302°F (–40 to 150°C)
WD-08491-07
Like 08491-06 above, but with
1
⁄8" dia probe.
WD-08491-13
Liquid-immersion probe, chemically inert for
thermometric titrations. Pyrex
®
glass sheath.
–40 to 302°F (–40 to 150°C)
WD-08491-17
Small flexible probe for frozen
food packages and cuvettes.
Nylon and epoxy tip.
–110 to 212°F (–80 to 100°C)
WD-08491-15
Epoxy-encapsulated thermistor element.
Copper wire is 32 gauge; 3" long (no plug).
–110 to 167°F (–80 to 75°C) continuous use;
212°F (100°C) max intermittent use.
WD-07549-99
1
⁄4" phone plug for 08491-15 (above)
—
WD-08491-12
Pipe-fitting probe for closed pipes or
vessels. Probe and fitting are 316 SS;
not autoclavable; nondetachable lead.
Not electrically isolated; 4
1
⁄2" long.
–40 to 300°F (–40 to 150°C)
WD-08491-14
Pipe-fitting probe for closed pipes
or vessels. Probe and fitting are
316 SS; autoclavable except lead;
lead is detachable via BNC connector.
Not electrically isolated; 1" long.
–40 to 300°F (–40 to 150°C)
WD-08491-08
Air temperature probe for test rooms, gas
stream temperatures, and incubators. 316 SS
cage around epoxy-encapsulated thermistor
.
–40 to 300°F (–40 to 150°C)
WD-08491-10
Attachable surface probe, recommended
for skin or flat-surface temperature
measurements. Epoxy-backed 316 SS disk.
V
inyl-covered parallel leads.
–40 to 212°F (–40 to 100°C)
WD-08491-09
Surface probe for skin, flat surfaces, and
soil temperatures. Disk is 316 SS;
probe includes handle.
–40 to 300°F (–40 to 150°C)
WD-08491-11
Small surface probe. Epoxy-backed 316 SS
disk on 24" nondetachable PTFE lead.
Not autoclavable; not electrically isolated.
–40 to 300°F (–40 to 150°C)
WD-08491-16
Penetration probe for insertion into semi-
solids like fruits, soil, tobacco. No handle.
All 316 SS, with vinyl-covered lead.
–40 to 300°F (–40 to 150°C)
You’ll find more thermistor probes on page 19.
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