27 II/28 II
Users Manual
44
General Specifications
Maximum voltage between any
terminal and earth ground............................................1000 V rms
W Fuse for mA inputs .................................................. 440 mA, 1000 V FAST Fuse
W Fuse for A inputs .....................................................11 A, 1000 V FAST Fuse
Display
Digital ..........................................................................6000 counts, updates 4/sec (Model 28 II also has 19,999 counts in high-resolution
mode).
Bargraph ..................................................................... 33 segments; updates 40/sec
Altitude
Operating ....................................................................2,000 meters
Storage .......................................................................10,000 meters
Temperature
Operating ....................................................................-15 °C to +55 °C, to -40 °C for 20 minutes when taken from 20 °C
Storage .......................................................................-55 °C to +85 °C (without battery)
-55 °C to +60 °C (with battery)
Temperature coefficient
28 II ............................................................................. 0.05 X (specified accuracy) / °C (<18 °C or >28 °C)
27 II ............................................................................. 0.1 X (specified accuracy) / °C (<18 °C or >28 °C)