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Auto Operation Stop at a low battery voltage
When the set LR6 alkaline dry cell is almost used up, the system power will be automatically turned off after the
"BatteryEmpty" message appears.
Do not leave the used battery being set in the main unit. This may cause operation errors or battery liquid leakage.
Backup battery
A backup battery backs up the measured data and clock setting when the ANSI AA (IEC LR6) alkaline batteries
are not installed. The typical life of the backup battery is approximately 6 years under room temperature (23
±5°C). After the voltage of the backup battery drops, "Backup.B Empty" appears on the LCD whenever the power
is turned on. This message disappears whichever key is pressed. This message indicates that backup may no
longer be performed. Please inquire about backup battery replacement service promptly.
Key lock and FUNC lock
Disables the operation keys and function keys other than the Power key (factory setting: OFF).
Least significant digits of display values
The least significant digit of the display values can be selected from the first decimal (0.1°C) and the least digit of
the integer (1°C). However, it is fixed for the voltage inputs as the first decimal for the 100-mV range (100.0 mV)
and as the third decimal for the 1-V range (1.000 V). (The factory setting of the least significant digit of displayed
temperature values is 0.1°C.)
Drip-proof
Protection class: IP54
I P 5 4
Communication function
RS-232C communication function
• Electrical characteristics ..... Conforms to EIA RS-232C standard
• Baud rate .............................. 1200, 2400, 4800, 9600, 19200 [bps]
• Data length ........................... 7, 8 [bit]
• Parity .................................... Odd parity (odd), Even parity (even), or None (None)
• Stop bit ................................. 1, 2 [bit]
• Flow control ......................... Hardware handshake (RTS, CTS) or no flow control
Connector ............................. Round DIN connector with 8 pins (requires a dedicated cable)
*The underline shows the factory settings.
Control lines
Pin No.
1
2
3
4
5, 6
7
8
Since the RS-232-C interface is not isolated, use non-grounded probes and voltage output sensors when using this
interface.
Digital serial communication function (Note: this is not a USB port)
The digital serial I/O port (D ch) is capable of logging the non-contact thermo probe data.
IM 54011-E
Drip-proof (protection for being subjected to splash)
Dust-proof (protection for being subjected to dust)
Protection characteristic symbol (International Protection)
Signal line name
CTS (Clear to Send)
RXD (Received Data)
RTS (Request to Send)
TXD (Transmitted Data)
(N.C.)
(SENS) *Note
SG (Signal Grounding)
Connector pin assignment
1
2
3
4
5
6
7
8
Note: Pin No.7 senses if the RS-232C Connector is plugged.
This is connected to No.8 pin of the dedicated cable.
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