Operation Manual
Table Of Contents

12 GMC-I Messtechnik GmbH
We are pleased to perform DKD or factory calibrations for you in our 
calibration laboratory. Please visit our website at 
www.gossenmetrawatt.com (→ Services → DKD Calibration Center 
or → FAQs → Calibration questions and answers).
By having your measuring instrument calibrated regularly, you fulfill 
the requirements of a quality management system per 
DIN EN ISO 9001.
5.5 Device Return and Environmentally Compatible Disposal
The instrument is a category 9 product (monitoring and control 
instrument) in accordance with ElektroG (German Electrical and 
Electronic Device Law). This device is not subject to the RoHS 
directive.
We identify our electrical and electronic devices (as of 
August 2005) in accordance with WEEE 2002/96/EG and 
ElektroG with the symbol shown to the right per DIN EN 
50419.
These devices may not be disposed of with the trash. Please contact 
our service department regarding the return of old devices.
If you use batteries or rechargeable batteries in your instrument or 
accessories which no longer function properly, they must be duly 
disposed of in compliance with the applicable national regulations.
Batteries or rechargeable batteries may contain harmful substances 
or heavy metal such as lead (PB), cadmium (CD) or mercury (Hg).
They symbol shown to the right indicates that batteries or 
rechargeable batteries may not be disposed of with the 
trash, but must be delivered to collection points specially 
provided for this purpose.
6 Characteristic Values
Insulation Resistance Measurement, Measuring Voltages: 100 / 250 / 500 V
*
Measuring error under reference conditions relative to scale length (l = 84.6 mm)
Low-Resistance Measurement, Measuring Voltage: 4.5 V
* Measuring error under reference conditions relative to upper range value (l = 74.9 mm)
Voltage Measurement, DC / AC (40 … 200 Hz) 
* Measuring error under reference conditions relative to scale length 
(l = 73.3 mm)
Measuring Range Intrinsic
Uncertainty
Overload Measuring 
Current
Short-Circuit 
Current
0.1 … 400 MΩ 2.5% * 600 V AC > 1 mA < 10 mA
Measuring Range Intrinsic
Uncertainty
Overload Measuring Current
0 … 4 Ω 2.5% * 250 V DC >200 mA
Measuring Range Intrinsic
Uncertainty
Overload Internal Resistance
0 … 500 V 2.5% * 600 V AC 450 kΩ
Pb Cd Hg










