1 | About this documentation G 1202 About this documentation Foreword Read this document carefully and familiarise yourself with the operation of the product before you use it. Keep this document ready to hand and in the immediate vicinity of the product so that it is available to the personnel/user for reference at all times in case of doubt.
G 1202 Safety | 2 Safety Explanation of safety symbols DANGER This symbol warns of imminent danger, which can result in death, severe bodily injury, or severe property damage in case of non-observance. CAUTION This symbol warns of potential dangers or harmful situations, which can cause damage to the device or to the environment in case of non-observance.
2 | Safety G 1202 Safety instructions CAUTION Risk of injury at the temperature sensor! Devices with insertion probes entail the risk of stab injuries due to the pointed probe design. There is a risk of burns when measuring in high (and very low) temperatures. Use gloves if necessary.
G 1202 The device at a glance | 3 The device at a glance Top view LCD Display Front view Display elements Display Battery indicator Evaluation of the battery status Unit display Display of units or min/max/hold/diff Main display Measurement of the current temperature of the...
3 | The device at a glance G 1202 Operating elements On / Off button Press briefly Switch on the device Activate / deactivate lighting Long press Switch off the device Reject changes in a menu Up / Down button...
G 1202 Operation | 4 Operation Opening the configuration menu Press the Function button for 2 seconds to open the Configuration menu. (ONF appears in the display. Release the Function button. Parameter Values Meaning Measuring channel (H.1 Main display = channel 1...
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4 | Operation G 1202 POFF Shut-off time No automatic shut-off 0:15, 0:30, 1:00, Automatic shut-off after a selected time in hours:minutes, during which no buttons have been 4:00, 12:00 pressed L,TE Backlight Backlight deactivated 0:15, 0:30, 1:00, Automatic shut-off of the backlight after a selected...
G 1202 Operation | 4 Adjustment of the measuring input The temperature input can be adjusted with the zero point correction and the gradient correction. If an adjustment is made, you change the pre-adjusted factory settings. This is signalled with the display text T.OF or T.SL when switching on.
5 | Measurement Basics G 1202 Measurement Basics Sensor/device accuracy The device can be equipped with different interchangeable sensors. The temperature sensors are divided into the following classes according to EN 60584-2. class deviation temperature range -40 … 1000 °C ±1.5 °C or ±0.4 % of measured value *...
G 1202 Operation and maintenance | 6 5.2.5 Response time An adequate wait time must be observed for the measuring process before reading the measured value. The response time T describes the time in which the displayed measured value reached 90% of the end value.
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6 | Operation and maintenance G 1202 CAUTION Damage! If the batteries have different charge levels, leaks and thus damage to the device can occur. – Only use high-quality and suitable alkaline batteries! – Do not use different types of batteries! –...
G 1202 Error and system messages | 7 Error and system messages Display Meaning Possible causes Remedy ---- No suitable meas- Incorrect measuring Connect suitable measur- uring probe con- probe ing probe(s) nected No 2 probes connect- Measurement leaves the Measurement far ed for diff.
8 | Technical data G 1202 Technical data Sensor connection Connection sockets for miniature flat plug Supported sensor type Thermocouple type K (NiCr-Ni) -65.0 … +1200.0 °C (-85.0 ... +2192 °F) Measuring ranges Accuracy Note: The system accuracy depends on the accuracy of the...
G 1202 Disposal | 9 battery life Service life > 2500 hours with alkaline batteries (without backlighting) Battery indicator 4-stage battery status indicator, Replacement indicator for depleted batteries: "BAT" Auto-power-OFF The device switches off automatically if this is activated function...
Service 10.1 Manufacturer If you have any questions, please do not hesitate to contact us: Contact GHM Messtechnik GmbH GHM GROUP - Greisinger Hans-Sachs-Str. 26 93128 Regenstauf | GERMANY Email: info@greisinger.de | www.greisinger.de WEEE reg. no. DE 93889386 10.2 Calibration and adjustment service The purpose of the calibration is to verify the precision of the measuring device by comparing it with a traceable reference.
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