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, air
or contact probes. The sensor may be a thermocouple of type K, J, T, N, R,
S, B or E.
Instruments HD2108.2 and HD2128.2 are data loggers, they store up to
76.000 samples the first and 38.000 couples of values the second. These
data can be transferred into a PC connected to the instrument through
the serial ports RS232C and USB 2.0. It is possible to configure the storage
interval, the printing and the baud rate by the menu.
Functions Max, Min and Avg calculate maximum, minimum and average
values.
Further functions are: REL relative measure, HOLD and automatic switchingoff system (excludable). HD2128.1 and HD2128.2 calculate A-B difference
of the temperatures acquired 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