TMD90A
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Data Sheet
Digital Thermometer
Dual input, wide measurement ranges
High accuracy, multiple type input
thermometer
Measures from -328°F / -200°C to
3200°F / 1760°C
Accepts Type J, K, T, R, S, E inputs
Triple display of T1, T2, T1 - T2, and
relative time
Deluxe hard carrying case
RS232 output with optional cable
and software, TM-SW
Relative Time Stamp with Min/Max
indicators
Key features:
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Displays T1, T2, and T1-T2
simultaneously
Accepts six different
thermocouple types
Outputs real time
measurement data with
time stamp
Deluxe carrying case and
two Type K probes
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No hassle
warranty
No waiting.
No shipping
charges.
Our commitment to
high-quality products
and customer service
is demonstrated by
our industry exclusive
“No Hassle” warranty.
In the unlikely event
that an Amprobe Test
Tool requires warranty
service, any of our
local dealers are
authorized to replace
it, on the spot.
The TMD90A is a dual input ther-
mometer that accepts type K, J, T,
R, S, and E thermocouples and is
ideal for HVAC/R technicians, electri-
cians, research, industrial process,
and quality control. The dual inputs
allow easy super-heat and sub-cool
temperature measurement as well as
cut-out and in temperature measure-
ments. The triple display with back-
light shows T1, T2, and T1 - T2 and
includes Hold, Min/Max, Relative,
and Timer / Date Stamp function.
The TMD90A supports dual chan-
nel real time data acquisition using
the built-in RS-232 interface and
optional software and data transfer
cable (Model TM-SWA).
TMD90A
N10140
Amprobe® Test Tools
www.Amprobe.com
TMD90A Technical Specifications
General Specifications
Operating conditions
Ambient coefficient
Data Sheet
0 °C to 50 °C (32 °F to 122 °F) at 0 to 85 % R.H. (non-condensing)
0 °C to 18 °C and 28 °F to 50 °C (ambient temperatures) for each °C ambient below 18 °C or above
28 °C, add the following tolerance into the accuracy spec: 0.01 % of reading +0.03 °C (0.01 % of read-
ing +0.06 °F)
Temperature Accuracy
T/C Type
Type K
Type J
Type T
Type R and S
Type E
Type K
Range
-200 °C to 1370 °C (-328 °F to 2498 °F)
-200 °C to 760 °C (-328 °F to 1400 °F)
-200 °C to 390 °C (-328 °F to 730 °F)
0 °C to 1760 °C (32 °F to 3200 °F)
-200 °C to 736 °C (-328 °F to 1832 °F)
-200 °C to 650 °C
651 °C to 1370 °C
-328 °F to 1000 °F
1001 °F to 2498 °F
-200 °C to 500 °C
501 °C to 760 °C
-328 °F to 940 °F
941 °F to 1400 °F
-200 °C to 390 °C
-328 °F to 730 °F
0 °C to 1000 °C
1001 °C to 1760 °C
32 °F to 1000 °F
1001 °F to 3200 °F
-200 °C to 380 °C
381 °C to 736 °C
-328 °F to 720 °F
721 °F to 1832 °F
Resolution
Accuracy
Type J
Type T
Type R/S
Type E
0.1 °C
1.0 °C
0.1 °F
1.0 °F
0.1 °C
1.0 °C
0.1 °C
1.0 °F
0.1 °C
0.1 °F
0.1 °C
1.0 °C
0.1 °F
1.0 °F
0.1 °C
1.0 °C
0.1 °F
1.0 °F
(0.1 % rdg + 0.7 °C)
(0.1 % rdg + 0.7 °C)
(0.1 % rdg + 1.4 °F)
(0.1 % rdg + 1.4 °F)
(0.1 % rdg + 0.7 °C)
(0.1 % rdg + 0.7 °C)
(0.1 % rdg + 1.4 °F)
(0.1 % rdg + 1.4 °F)
(0.1 % rdg + 0.7 °C)
(0.1 % rdg + 1.4 °F)
(0.3 % rdg + 0.7 °C)
(0.3 % rdg + 0.7 °C)
(0.1 % rdg + 1.4 °F)
(0.1 % rdg + 1.4 °F)
(0.3 % rdg + 0.7 °C)
(0.3 % rdg + 0.7 °C)
(0.1 % rdg + 1.4 °F)
(0.1 % rdg + 1.4 °F)
Included Accessories
TMD90A dual input thermometer, two
standard Type K thermocouple probes
(TP-255A), hard carrying case, battery
(installed) and user manual.
Optional Accessories
TM-SWA
RS232 Cable and Software
• Record both channels simultaneously
• Store real-time results for further
analysis
• Chart measurements for trends
• View time stamp for event analysis
Amprobe® Test Tools
website: www.Amprobe.com
email: info@amprobe.com
6920 Seaway Blvd.
Everett, WA 98203
tel: 877-AMPROBE
Amprobe® Test Tools Europe
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
©2007 Amprobe Test Tools. All rights reserved.
3/2007 PN: 2124071 Rev C
Amprobe® Test Tools
www.Amprobe.com
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