HD2108/HD2128
- 5 -
V2.3
HD2108.1 and HD2108.2
1.
Input for thermocouple, standard mignon connector.
2.
External auxiliary power supply connector input.
3.
Battery symbol: displays the battery charge level.
4.
Function indicators.
5.
Secondary display line.
6.
HOLD/
key: freezes the measurement during normal operation; in the menu, increases the
current value.
7.
FUNC/ENTER
key: displays the maximum (MAX), the minimum (MIN) and the average
(AVG) of current measurements. In the menu, confirms the current selection.
When pressed together with the UNIT/UserCal key, starts the calibration procedure for the
probe connected to the instrument.
8.
REL/
key: enables the relative measurement (displays the difference between the current
value and the logged value when the key is pressed); in the menu, decreases the current value.
9.
SERIAL
key (
for HD2108.1
) or SERIAL/ERASE LOG (
for HD2108.2
): starts and ends data
transfer to the serial/USB communication port. In the menu, clears the data contained in the
instrument's memory.
10.
LOG/DUMP LOG
key (
for HD2108.2
): during normal operation, starts and ends the saving of
the data in the internal memory; in the menu, starts the data transfer from the instrument's
memory to the PC.
11.
Mini-USB type B connector for USB 2.0 (
only HD2108.2
). For the connection to PC (with
cable CP23).
12.
MENU
key: allows access to and exit from the menu.
13.
TC SEL/ESC
key: in measurement mode, selects the type of thermocouple K, J, T, N, R, S, B
and E. In the menu cancels the operation in progress without making changes.
14.
UNIT/USER CAL
key: during normal operation, selects the unit of measurement for the
temperature between °C, °F or °K; displays the voltage generated by the probe ("mV") or the
voltage in mV equivalent to the read temperature, and indicated at 0°C ("mV*C"). When
pressed together with the FUNC key, starts the calibration procedure for the probe connected to
the instrument.
15.
ON-OFF/AUTO-OFF
key: turns the instrument on and off; when pressed together with the
HOLD key, disables the automatic turn off.
16.
MAX, MIN and AVG symbols.
17.
Main display line.
18.
Line for symbols and comments.
19.
8-pole MiniDin connector for RS232C. For the connection to PC (with cable HD2110CSNM or
C206) or printer (with cable HD2110CSNM).