Table of Contents
Advertisement
Quick Links
H70.0.01.6C-04
as of version V1.2
Please carefully read these instructions before use!
Please consider the safety instructions!
Please keep for future reference!
GHM GROUP - Greisinger
GHM Messtechnik GmbH | Hans-Sachs-Str. 26 | 93128 Regenstauf | GERMANY
Tel.: +49 9402 9383-0 |
info@greisinger.de
| www.greisinger.de
Operating Manual
Handheld pH / ORP-Meter
GMH 3531
WEEE-Reg.-Nr. DE 93889386
Advertisement
Table of Contents
Related Manuals for GHM GREISINGER GMH 3531
Summary of Contents for GHM GREISINGER GMH 3531
- Page 1 Please carefully read these instructions before use! Please consider the safety instructions! Please keep for future reference! WEEE-Reg.-Nr. DE 93889386 GHM GROUP - Greisinger GHM Messtechnik GmbH | Hans-Sachs-Str. 26 | 93128 Regenstauf | GERMANY Tel.: +49 9402 9383-0 | info@greisinger.de | www.greisinger.de...
-
Page 2: Table Of Contents
H70.0.01.6C-04 Operating Manual GMH 3531 page 2 of 18 Content GENERAL NOTE ..............................3 SAFETY ..................................3 ............................... 3 NTENDED ..........................3 AFETY SIGNS AND SYMBOLS .............................. 3 AFETY GUIDELINES PRODUCT SPECIFICATION ..........................4 ......................4 PERATION AND MAINTENANCE ADVICE HANDLING ................................ -
Page 3: General Note
H70.0.01.6C-04 Operating Manual GMH 3531 page 3 of 18 1 General Note Read this document carefully and get used to the operation of the device before you use it. Keep this document within easy reach near the device for consulting in case of doubt. Mounting, start-up, operating, maintenance and removing from operation must be done by qualified, specially trained staff that have carefully read and understood this manual before starting any work. -
Page 4: Product Specification
H70.0.01.6C-04 Operating Manual GMH 3531 page 4 of 18 If there is 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: - 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. -
Page 5: Handling
H70.0.01.6C-04 Operating Manual GMH 3531 page 5 of 18 4 Handling 4.1 Display Main display: pH value, ORP value (mV, mV rH value Display elements to show minimum/maximum/ memorized measuring value Arrows to selected measuring unit mbar Warning signal (low battery or recalibration prompt) AL Logg atc arrow: indicates if temperature sensor is... -
Page 6: Connections
H70.0.01.6C-04 Operating Manual GMH 3531 page 6 of 18 4.3 Connections interface: connection for galv. Isolated interface adapter (accessory: GRS 3100, GRS3105 or USB3100) BNC socket: connection of pH or ORP electrode (glass electrodes or combination electrodes) Banana sockets: Connection of Pt1000 temperature probe Electrodes with integrated temperature sensor: the banana plug is connected from outside Separately lead through reference electrode:... -
Page 7: Start Operation
H70.0.01.6C-04 Operating Manual GMH 3531 page 7 of 18 5 Start Operation Connect electrodes, turn device on via key. Store Menu Quit After segment test the device displays some configuration: if zero point or slope correction is active (p.r.t chapter 7 „ “... -
Page 8: Principles Of The Measurements
H70.0.01.6C-04 Operating Manual GMH 3531 page 8 of 18 “) Input adjustment Remove protective cap from electrode. (Attention: Cap should contain KCL 3 M or storage solution) After that the device is ready for measuring. 6 Principles of the measurements 6.1 pH measurement The pH value specifies the acid or alkaline behavior of aqueous solutions. -
Page 9: R Hmeasurement
H70.0.01.6C-04 Operating Manual GMH 3531 page 9 of 18 6.3 rH measurement The rH value is a calculated value of a pH and an ORP measurement. For example it is used to describe the anti oxidative effect of food. This is a measure for the ability of food to reduce harmful free radicals. To measure the rH value of a solution, proceed as follows: 6.3.1 Manual input of pH value (and temperature) You can set the value for pH and temperature (if no temperature sensor is connected) manually. -
Page 10: Ph Electrode Suggestions
H70.0.01.6C-04 Operating Manual GMH 3531 page 10 of 18 Examples: - with solutions containing protein, like they are used on the medical and biological sector, KCI may result in the denaturation of the protein. - coagulated varnish - solutions with a relatively high concentration of silver ions Any material depositing on the measuring membrane or the diaphragm will influence the measurements and have to be removed at regular intervals. -
Page 11: How To Carry Out Calibration
H70.0.01.6C-04 Operating Manual GMH 3531 page 11 of 18 6.5.3 How to carry out calibration Please note: the calibration can only carried out at a temperature range of 0 - 60°C ! If you have not yet done so set device to measuring mode ’pH’. Make sure that either the 1-, 2- or 3- point calibration (whichever is required) and desired buffer series (PHL, GPH, dIn or Edit) the has been activated (further information in chapter 7 „Configuration“). -
Page 12: Configuration
H70.0.01.6C-04 Operating Manual GMH 3531 page 12 of 18 Store Menu Quit *1) In case of manual buffer selection (CAL Edit) use to enter pH value of the used solution. If solutions from the standard and DIN series are used their pH value will be automatically detected. Store Menu Quit... - Page 13 H70.0.01.6C-04 Operating Manual GMH 3531 page 13 of 18 Menü Parameter Werte Bedeutung Store Store Menu Quit Menu Quit bzw. Set Configuration: General configurations Store Store Menu Quit Menu Quit Input: Selection of measured variable Arrow „rH“ rH value measurement Arrow „mV“...
-
Page 14: Output
H70.0.01.6C-04 Operating Manual GMH 3531 page 14 of 18 8 Output The output can be used as serial interface (for USB 3100, USB 3100 N, GRS 3100 or GRS 3105 interface adapters) or as analog output (0-1V). If none of both is needed, we suggest to switch the output off, because battery life then is extended. When operating with external supply or connected interface and measurement at solutions with earth connection, there may appear distortions or deviations of the measuring. -
Page 15: Input Adjustment
H70.0.01.6C-04 Operating Manual GMH 3531 page 15 of 18 9 Input adjustment The zero point and slope of each measuring inputs can be adjusted with the parameters offset (“OFFS”) and scale (“SCAL”). A reasonable adjustment presumes reliable references (e.g. ice water, controlled precision water bath, etc.). If the inputs are adjusted (i.e. -
Page 16: Accuracy Check / Adjustment Service
H70.0.01.6C-04 Operating Manual GMH 3531 page 16 of 18 12 Accuracy Check / Adjustment Service You can send the device to the manufacturer for adjustment and inspection. Calibration certificate - DKD certificate - official certifications: If the measuring instrument is supposed to receive a calibration certificate, it has to be sent to the manufacturer (declare test levels, e.g. -
Page 17: Disposal Instructions
H70.0.01.6C-04 Operating Manual GMH 3531 page 17 of 18 Use an adequate transport package for reshipment, especially for fully functional devices. Please make sure that the device is protected in the package by enough packing materials. 14.2 Disposal instructions Batteries must not be disposed in the regular domestic waste but at the designated collecting points. -
Page 18: Notes A: Temperature Influence On Ph Buffer Solutions
H70.0.01.6C-04 Operating Manual GMH 3531 page 18 of 18 16 Notes A: temperature influence on pH buffer solutions GPH buffer capsules for 100 ml buffer solution Capsules for do-it-yourself mixing – unopened capsules can be stored a long time (approx. 3 years) T [°C] GREISINGER GPH 4.0 3.99...
Need help?
Do you have a question about the GREISINGER GMH 3531 and is the answer not in the manual?
Questions and answers