_________________________Shihlin Electric SPM-3 User Guide__________________
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Chapter 1 Product Introduction
1.1 SPM-3 Introduction
SPM-3 is designed for single and three phase power monitoring and measurement. It provides wide
rang of measurements including current, voltage, energy, watt, power factor, watt-hour,
frequency…etc.
Product Features：
Comply IEC62053-22 Class 0.5 standard
V、I accuracy <0.2%, Wh accuracy <0.5%, with bi-directional energy measurement
More than 90 measuring parameters
Current direction setting function without rewiring
Easy to operate, large-size LCD with 4-stage backlight adjustments
Power Quality measurement in V/I unbalance、V Eligibility、Min.& Max. parameters
Standard DIN 96*96 compact size, equipped with four clips to attach the meter onto the sheet
metal
Supports With RS485 and Modbus communication protocol
1.2 Caution
1.2.1 Danger
The meter contains hazardous voltages. The meter should never be disassembled. Failure to observe
this practice can result in serious injury or death. Any work on or near energized meters, meter sockets,
or other metering equipment can present a danger of electrical shock. It is strongly recommended that
all work should be performed only by qualified industrial electricians and metering specialist. Shihlin
Electric Corporation assumes no responsibility if your electrical installer does not follow the appropriate
national and local electrical codes.
1.2.2 PRODUCT WARRANTY & CUSTOMER SUPPORT
Shihlin Electric Corporation warrants all products free from defects in material and workmanship for a
period of one year from the date of shipping. During the warranty period, we will, at our position, either
repair any product that proves to be defective. To report any defect, please contact ：
+886-3-5981921
Please have the model, serial number and a detailed problem description available when you call. If the
problem concerns a particular reading, please have all meter readings available. When returning any
merchandise to Shihlin Electric Corporation a return SN. is required.
1.2.3 LIMITATION OF WARRANTY
This warranty does not apply to defects resulting from unauthorized modification, misuse, or use for
reason other than electrical power monitoring. The supplied meter is not a user-serviceable product.
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