The HHTFO-101 model has been discontinued. Please see the FOB100 Series as a possible alternative or contact our Temperature Engineering Department.
The HHTFO-101 fiber optic thermometer offers impressive
versatility. Battery operated for
maximum user freedom, this
single-channel instrument allows
you to freely move from one area to
another to measure temperatures
at various critical sensing points.
The HHTFO-101 is a valuable
monitoring tool for a wide range of
applications in energy, industrial
and research activities, such as hot
spot monitoring inside power
transformers during manufacturing
and heat runs. It can also be used
in various high voltage applications
and MW/RF heating applications.
Its accuracy and high degree of
sensitivity to temperature changes
makes it a natural choice for a
wide variety of applications.
The field-proven sensors are
interchangeable and no calibration
or inconvenient gage factors are
required when changing sensors.
The HHTFO-101 runs on standard
“AA” type alkaline or rechargeable
batteries, providing power for at
least 5 hours of continuous use.
It also comes with a universal
The HHTFO-101 comes with a
built-in flash card data logging
feature allowing user to save
collected data directly onto a high
capacity SD flash card. SD cards of
up to 1 GB capacity are supported.
The data can be accessed through
any PC equipped with a flash card
reader. The HHTFO-101 also
features the SnapLog feature which
allows recording of 1 temperature
point with time stamp every time
the SnapLog key is pressed.
The HHTFO-101 features a
160 x 160 pixel LCD display
with a LED backlight. It provides
celsius or fahrenheit temperature
readings that are well contrasted
in any condition.
The HHTFO-101 icon-driven user
interface is built around a 6-button
ruggedized keypad. All functions
are accessible through the display
menu, including data logging on
SD card, instrument setup and
configuration, and expert mode.
Datalogging sessions can also be
viewed directly on the display.
This multi-purpose instrument
comes with a built-in RS232
port for remote interfacing.
The instrument is a perfect match
with the optional FOB100-SOFT
software. Software features include
min/max alarm, full datalogging
functions, and bar-graph, trend-line,
or statistics display. Moreover,
all system features are accessible
through ASCII commands,
facilitating the development of
custom routines or proprietary
drivers by users.
The HHTFO-101 comes with a
complete 1-year warranty.
Number of Channels: Single-channel instrument Resolution: 0.1°C (0.1°F) Accuracy: ±0.5°C (0.9°F) or 1% FS Sampling Rate: 5 Hz Upgradeability—Firmware: Flash ROM upgradeable through serial communication Display: 53 x 53 mm (3" diagonal) graphic matrix display, 160 x 160 pixels, transflective display, yellow-green LED backlight Units: User selectable, metric or imperial Data Logging Memory: Temperature plus time and date stamp in ASCII format on removable SD flash card Data Logging Rate: Logging sessions with user selectable rate from 1 sec to 1-hr SnapLog™ Feature: Save 1 data point logging and time stamp when SnapLog key is pressed Temperature Measurement Range: -80 to 300°C (-112 to 572°F)
Communication And I/O
Operating Mode: Front panel keypad, FOB100-50FT Windows software or RS232 ASCII commands Communication (Hardware): RS232 Communication protocols: ASCII (over RS232)
Mechanical and Environmental
Operating Temperature: -20 to 55°C (0 to 150°F) Storage Temperature: -30 to 70°C (0 to 160°F), non-condensing Form Factor: Handheld unit, anodized aluminum extrusion and heavy-duty die-cast top and bottom end caps painted with textured black powder paint (RAL 9005) Enclosure Protection: IP54 standard Connectors: Optical: 1 ST connector Serial: DB-9 Power-In: Power jack connector SD Card: Push-to-eject card slot on top panel Batteries: Battery access port on bottom side Dimensions: 180 H x 118 W x 37 mm D (7 x 4.6 x 1.4") Weight: 550 g (1.2 lb), without batteries
Power Requirements: 6 Vdc power-in or 4 “AA” alkaline (included) or rechargeable batteries Power Consumption: 1.25 W
† All amounts shown in USD Note: Comes with universal charger, 4 “AA” NiMH batteries, and operator’s manual.Fiber Optic temperature sensors required for operation (sold separately). Ordering Example: (1) FOBS-2 Fiber Optic Temperature Sensor with 2 m (6.6') cable, $249.00
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