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Summary of Contents for Elma 30C
- Page 1 Loop Calibrator Instruction Sheet...
- Page 2 l Replace the battery as soon as the (low battery) symbol appears to avoid false readings that can lead to electric shock. l Remove test leads from the Calibrator before opening the case or battery door. Symbol Symbol Meaning Earth ground Caution : Important information.
- Page 3 MEASURE / DC VOLTAGE(auto) Using the mA Sourcing (Output) Modes The Calibrator outputs current for calibrating and testing 0 to 24mA and 4 to Range Resolution Accuracy Overload Protection 20mA current loops and instruments. 100㎶ 100V DC or AC peak with In SOURCE mode, the Calibrator supplies the current.
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Page 4: Specification
Specification Simulating a Transmitter General Specifications When simulating the operation of a transmitter, the Calibrator regulates the loop l 4 1/2 digit Large display and simple. Quick-click interface for easy one- current to a known value selected by you. A 12V to 30 V loop supply must be handed operation. - Page 5 Maintenance Measuring dc mA with LOOP POWER Caution Caution To avoid electric shock, personal injury, or damage to the Calibrator: To prevent damage to the unit under test, ensure that the l Do not service this product other than as described in this Calibrator is in the correct mode before connecting the test leads.
- Page 6 Introduction The ELMA30C Loop Calibrator is a compact souring and measuring tool. The Calibrator tests current loops of 0-24mA or 4-20mA and measures dc voltage to 50V. It comes with a set of alligator-clip test leads, a 9V alkaline battery, and this Instruction Sheet.
- Page 7 Power ON or OFF button. Press to step through modes: l SOURCE mA, V l SIMULATE mA l LOOP POWER ( 24V ) l MEASURE mA, V Turn to increase or decrease current output. Current output can be adjusted at a resolution of 1mA or 100mA.
- Page 8 Electrical Specifiction SOURCE / DC CURRENT Range Accuracy 0 - 24㎃(optional) ±(0.025% rdg + 5dgts) 4 - 20㎃(default) SOURCE / DC VOLTAGE Range Resolution Accuracy ±(0.05% rdg + 5dgts) 100㎶ up to 15V non-specification 1㎷ TX SIMULATOR * 2wire transmitter simulation : External excitation voltage, 12V min, 30V max. * The current sink levels are adjustable with accuracies as in the ㎃...
- Page 9 Auto Ramping the mA Output Replacing the Battery Warning Auto ramping allows you to continuously apply a varying current from the Calibrator to a passive (sourcing) or active (simulate) loop. Your hands remain To avoid false readings, which could lead to electric shock or injury, free to rest the transmitter’s response.
- Page 10 Measuring dc mA Measuring dc Volts Caution Caution To prevent damage to the unit under test, ensure that the To prevent damage to the unit under test, ensure that the Calibrator is in the correct mode before connecting the test leads. Calibrator is in the correct mode before connecting the test leads.
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