Brand-new of generation hold a number multi-purpose watch, name respectively for METRAHIT BASE, PRO and X-TRA, the design has what can get used to harsh environment
Fight concussion case, the function had rise further, its design is more reasonable.
Function of model technology index
BASE precision: ±0.05% ; Frequency is noisy: 1KHz
DCV/ACV: 10uV/1000V
DCA/ACA: 10mA/10A/100A
Resistor: 0.01Ω/30MΩ
Frequency: 0.01Hz/100KHz
Temperature: - 1372 ℃ of 270 ℃ ～
(J- - K thermocouple) true virtual value of AC, AC DC is measured (TRMS)
Big screen / LCD setting lamp
Number / imitate double show
Frequency and pulse generator
Occupy the sky comparing, biggest / the smallest / relative value is measured
Overload protection function and
Defend system of sealing of hole of pen of the watch that insert a fault (patent)
Safe level achieves 600V CAT IV or
IEC 61010-1.
PRO frequency is noisy: 10KHz
DCA: 100uA/10A;
ACA: 10nA/10A other is Alexandrine
X-TRA frequency is noisy: 20KHz
Frequency: 0.001Hz/1MHz
Temperature: - 850 ℃ of 200 ℃ ～
(PT100/PT1000)
- 1372 ℃ of 270 ℃ ～
(J- - K) other is Alexandrine function of 500KB data storage, record
Infra-red interface
Other is Alexandrine