User's Manual
28 II Ex 
Calibration Information 
6 
Detailed Specifications 
For all detailed specifications: 
Accuracy is specified for 2 years after calibration, at operating temperatures of 18 °C to 28 °C, with relative humidity at 
0 % to 80 %. Accuracy specifications take the form of ±([% of Reading] + [Number of least-significant digits]). In the 4 
½-digit mode, multiply the number of least-significant digits (counts) by 10. 
AC Voltage 
AC conversions are ac-coupled and valid from 3 % to 100 % of range. 
Range Resolution 
Accuracy 
45 – 65 Hz  30 – 200 Hz  200 – 440 Hz 440 Hz – 1 kHz 1 – 5 kHz  5 – 20 kHz 
600.0 mV  0.1 mV 
±(0.7 % + 4) 
±(1.0 % + 4) 
±(2 % + 4) 
±(2 % + 20)
 [1]
6.000 V  0.001 V 
60.00 V  0.01 V 
±(0.7 % + 2) 
±(2 % + 4)
 [2]
Unspecified 
600.0 V  0.1 V  Unspecified 
1000 V  1 V  Unspecified Unspecified 
Low-Pass Filter 
±(1.0 % + 4)
 [1]
+1.0 % + 4 
-6.0 % - 4
 [3]
Unspecified Unspecified Unspecified 
[1]  Below 10 % of range, add 12 counts. 
[2]  Frequency range: 1 kHz to 2.5 kHz 
[3]  Specification increases from -1 % to -6 % at 440 Hz when filter is used. 
DC Voltage, Conductance, and Resistance 
Function Range  Resolution  Accuracy 
mV dc  600.0 mV  0.1 mV 
±(0.1 % + 1) 
V dc 
6.000 V  0.001 V 
±(0.05 % + 1) 
60.00 V  0.01 V 
600.0 V  0.1 V 
1000 V  1 V 
Ω 
600.0 Ω 0.1 Ω 
±(0.2 % + 2)
 [2]
6.000 kΩ 0.001 kΩ 
±(0.2 % + 1) 
60.00 kΩ 0.01 kΩ 
600.0 kΩ 0.1 kΩ 
±(0.6 % + 1) 
6.000 MΩ 0.001 MΩ 
50.00 MΩ 0.01 MΩ 
±(1.0 % + 3)
 [1,3]
nS 
60.00 nS  0.01 nS 
±(1.0 % + 10)
 [1,2,3]
[1]  Add 0.5 % of reading when measuring above 30 MΩ in the 50 MΩ range, and 20 counts below 33 nS in the 60 nS range. 
[2]  When using the rel function to compensate for offsets. 
[3] >40 °C temperature coefficient is 0.1 x (specified accuracy)/°C. 
Temperature 
Range Resolution 
Accuracy 
[1,2]
-200 °C to +1090 °C 
-328 °F to +1994 °F 
0.1 °C 
0.1 °F 
±(1.0 % + 10) 
±(1.0 % + 18) 
[1]  Does not include error of the thermocouple probe. 
[2]  Accuracy specification assumes ambient temperature stable to ± 1 °C. For ambient temperature changes of ± 5 °C, rated accuracy 
applies after 2 hours. 










