The HD2108.1 and HD2108.2 with one input and the HD2128.1 and HD2128.2 with two inputs
are portable instruments with a large LCD display. They measure the temperature using immersion,
penetration or air contact probes. The sensor may be a thermocouple of type K, J, T, N, R, S, B or
E.
The HD2108.2 and HD2128.2 instruments are dataloggers. The HD2108.2 memorizes up to 76,000
samples, the HD2128.2 up to 38,000 pairs of values. These data can be transferred from the
instrument connected to a PC via the RS232C serial port or USB 2.0 port. The logging interval,
printing, and baud rate can be configured using the menu.
All the models are fitted with an RS232C serial port and can transfer the acquired measurements in
real time to a PC or to a portable printer.
The Max, Min and Avg function calculate the maximum, minimum or average values.
Other functions include: the relative measurement REL, the HOLD function, and the automatic
turning off that can also be disabled. The HD2128.1 and HD2128.2 calculate the A-B difference of
the temperatures captured by the two input channels.
Autonomy of 200 hours with 1800 mAh alkaline batteries
Power supply 4 1.5V AA batteries
Degree of protection IP66
Measurement of temperature by instrument:
TC measuring range: K -200…+1370°C
TC measuring range: J -100…+750°C
TC measuring range: T -200…+400°C
TC measuring range: N -200…+1300°C
TC measuring range: R +200…+1480°C
TC measuring range: S +200…+1480°C
TC measuring range: B +200…+1800°C
TC measuring range: E -200…+750°C
Resolution: 0.05°C in the range ±199.95°C0.1°C in the remaing range
Instrument accuracy: Accuracy is referred to the instrument only; error due to the thermocoupleor to the cold junction reference sensor is not included.
Thermocouple K: ±0.1°C up to 600°C; ±0.2°C over 600°C
Thermocouple J: ±0.05°C up to 400°C; ±0.1°C over 400°C
Thermocouple T: ±0.1°C; Thermocouple N ±0.1°C up to 600°C; ±0.2°C over 600°C
Thermocouple R: ±0.25°C
Thermocouple S: ±0.3°C
Thermocouple B: ±0.35°C
Thermocouple E: ±0.1°C up to 300°C; ±0.15°C over 300°C
Temperature drift @20°C: 0.02%/°C
Drift after 1 year: 0.1°C/year
Unit of measurement: °C - °F - K - mV - mV*C
Measured values storage:
Model HD2108.2: 2000 pages each one containing 38 samples, 76000 samples in total
Model HD2128.2: 2000 pages each one containing 19 samples, 38000 samples in total
Storage interval can be selected among: 1,5,10,15,30 s; 1,2,5,10,15,20,30 min.; 1 hour
Security of stored data; Unlimited, independent of battery charge conditions
Power Supply:
Batteries: 4 Batteries 1.5V type AA
Autonomy: 200 hours with 1800mAh alkaline batteries