The TM20 offers excellent data management functions:
|Model||Universal dual inputs|
|No. of Measuring Channels||2 (when A and B channels are used for thermocouple or voltage input)
1 (when D channel is used with the non-contact probe)
|Measuring Range||Thermal emission -20ºC to 400ºC (-4ºF to 752ºF)
Type K: -200ºC to 1372ºC (-328ºF to 2501.6ºF)
Type J: -200ºC to 1000ºC (-328ºF to 1832ºF)
Type E: -200ºC to 700ºC (-328ºF to 1292ºF)
Type T: -200ºC to 400ºC (-328ºF to 752ºF)
Voltage input ± 100 mV, ± 1 V
Thermal Emission: 1°C
Voltage Input: 0.1 mV or 0.001 V
|Accuracy||Thermocouple: -200.0 to 100.1°C: ±(0.1% of rdg + 0.7°C)
-100.0°C or above: ±(0.1% of rdg + 1.0°C)
|Accuracy of reference junction compensation is included ±0.4°C when the temperature of the input terminal is in equilibrium.|
|Thermal emission ±(1% of rdg + 1°C) or ±3°C, depending on the accuracy of the non-contact probe.|
|Voltage Input ±(0.1% of rdg + 0.2% of range)|
|Measuring Interval||Collector Mode: 0.5 seconds or longer when 1 channel is used.
1 second or longer when 2 channels are used.
Logging Mode: 1 second to 24 hours when 1 channel is used.
2 seconds to 24 hours when 2 channels are used.
|Data Capacity||5000 data items when used in collector mode only.
20000 data items when used in logging mode only.
Measurement data obtained in collector mode and logging mode can coexist.
Under simultaneous 2-channel measurement, 2 data items are recorded at th
|Drip-proof Construction||Conforms to IP54 standards (dust-proof and drip-proof requirements of IEC529)|
|Display||LCD with backlight|
|Operating Temperature||0 to 50 ºC|
|Humidity||20 to 80% RH (no condensation)|
|Power Requirements||Two AA-size alkaline dry batteries (LR6)|
|Battery Life||Approx. 1.5 months when operated in logging mode at 10-minute intervals;
Approx. 1 month when operated in logging mode at 1-minute intervals;
Approx. 5 days when operated in collector mode 8 hours a day including 30 minutes of communication.
|Registration of Tag Names||A maximum of 50, each comprising up to 8 alphanumeric characters|
|Registration of Operator Names||A maximum of 10, each comprising up to 8 alphanumeric characters|
|Registration of Comments||A maximum of 32, each comprising up to 8 alphanumeric characters|
|Alarm Function||Upper- and lower-limit alarms|
|Computing Function||Maximum, minimum, and average
Reading of difference between the 2 channels is possible.
|Communication Function||Conforms to EIA RS-232C standard.|
|Simplified Correction Function||Corrects the measured data from thermocouple input within the range of ± 20.0ºC.|
|Scaling function||Scales the voltage input x according to the formula “Ax + B,” which is defined from the thermo-collector software.|
|Other Functions||Chime, function lock, clock display, auto power-off, and battery alarm|
|Thermo-collector Software System Requirements||CPU: i486DX or higher||Recommended memory capacity: 16 MB or greater|
|OS: Windows 95/Windows 98/Windows NT 4.0||Serial I/O capability: A serial port conforming to RS-232C standard should be available.|
|FDD: 3.5", 1.44 MB-formatted||Software: Microsoft Excel 95, Microsoft Excel 97|
|Required space on the HDD: 10 MB or greater|
|Compliance with Standards||EMC Standards
EMI (interference signal): EN55011;1998, EN61326-1;1998+A1 (Class B, Group 1)
EMS (immunity): EN50082-1;1997, EN61326;1998+A1
|Approx. Height||151 mm|
|Approx. Width||56 mm|
|Approx. Depth||33 mm|
|Approx. External Weight||180 g|
|Supplied Accessories||Software, two AA-size alkaline dry batteries (LR6), a waterproof cover, and an instruction manual|
|Optional Accessories||Soft case (930 12)
Temperature probes (for K type thermocouple)
Rounded end probe (900 20B, 900 21B, 900 22B)
Needle probe (900 23B, 900 24B)
Surface probe (900 30B, 900 31B, 900 32B, 900 33B)
Bead TC (2459 07)
Extension cable 5 m (2459 21) /10 m (2459 22)
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