Greisinger GMH 3750 Digital Thermometer 601866 Benutzerhandbuch
Produktcode
601866
H49.0.02.6C-06
Operating Manual GMH 3750
Page 3 of 16
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1 Intended Use
The GMH 3750 is a precision thermometer for the measurement of the temperature with
exchangeable 4-wire Pt100 temperature sensors. With high resolution and precision temperature
values can be measured from -200 to 850 °C.
The device is to be protected against wetness and soiling and has to be stored and operated only
within the permissible environmental conditions and connection data (see “Specification”).
exchangeable 4-wire Pt100 temperature sensors. With high resolution and precision temperature
values can be measured from -200 to 850 °C.
The device is to be protected against wetness and soiling and has to be stored and operated only
within the permissible environmental conditions and connection data (see “Specification”).
2 General Advice
Read through this document attentively and make yourself familiar to the operation of the device
before you use it. Keep this document in a ready-to-hand way in order to be able to look up in the
case of doubt.
before you use it. Keep this document in a ready-to-hand way in order to be able to look up in the
case of doubt.
3 Safety Instructions
This device has been designed and tested in accordance to the safety regulations for electronic
devices. However, its trouble-free operation and reliability cannot be guaranteed unless the
standard safety measures and special safety advises given in this manual will be adhered to when
using it.
1. Trouble-free operation and reliability of the device can only be guaranteed if it is not subjected
devices. However, its trouble-free operation and reliability cannot be guaranteed unless the
standard safety measures and special safety advises given in this manual will be adhered to when
using it.
1. Trouble-free operation and reliability of the device can only be guaranteed if it is not subjected
to any other climatic conditions than those stated under “Specification”.
Transporting the device from a cold to a warm environment condensation may result in a failure
of the function. In such a case make sure
Transporting the device from a cold to a warm environment condensation may result in a failure
of the function. In such a case make sure
the device temperature has adjusted to the ambient
temperature before trying a new start-up.
2. The circuitry has to be designed most carefully, especially if the device should be connected to
other devices. Internal connection in third party devices (e.g. connection GND and earth) may
result in not-permissible voltages impairing or destroying the device or another device
connected.
result in not-permissible voltages impairing or destroying the device or another device
connected.
3. Warning: Operating the device with a defective mains power supply (e.g. short circuit from
mains voltage to output voltage) may result in hazardous voltages at the device (e.g. at sensor
socket)
socket)
4. Whenever there may be a risk whatsoever involved in running it, the device has to be
switched off immediately and to be marked accordingly to avoid re-starting. Operator safety may
be a risk if:
be a risk if:
• there is visible damage to the device
• the device is not working as specified
• the device has been stored under unsuitable conditions for a longer time
In case of doubt, please return device to manufacturer for repair or maintenance.
5.
Warning: Do not use these product as safety or emergency stop device, or in any other
application where failure of the product could result in personal injury or material damage.
Failure to comply with these instructions could result in death or serious injury and material
damage.
application where failure of the product could result in personal injury or material damage.
Failure to comply with these instructions could result in death or serious injury and material
damage.