SC55 - Fieldpiece Instruments
Contents
1. for flame rectifier diode test on a heater control Connect leads between flame sensor probe and control module and turn heating unit on to read pA measurement When the flame is on there should be a measurable pADC signal typically under 10pADC Compare measurement to manufacture s specification to determine if replacement is necessary Ranges 500uA Resolution 0 1yA Accuracy 1 0 2 Voltage burden 1V Overload Protection 600VDC or 600VAC rms Frequency Hz through Leads Check Variable Frequency Drives Check incoming voltages to ensure they are cycling at 60Hz or desired frequency Ranges 500Hz 5kHz 50kHz 500kHz 1MHz Resolution 0 1Hz Accuracy 0 1 5 Sensitivity 10Hz to MHz gt 3 5Vrms Duty Cycle Duty cycle shows the of the AC waveform which has postitive amplitude Ranges 5 95 40Hz to 20kHz PW gt 10us Resolution 0 1 Accuracy 5V logic 2 10 ae Discharge Cap First Capacitance MFD Set to MFD to test motor start and run capacitors Capacitors are one of the most failure prone components in a HVAC R system Discharge capacitor and disconnect from power and resistors between terminals before testing If dlS C is displayed discharge the capacitor Ranges 5yF 50uF 500uF 5mF Resolution Inf Accuracy 3 15 5uF 3 5 50uF to 500uF 5 20 5mF Overload Protection 600VDC or 600VAC rms Modular EXxpandability Your new Swivel Clamp Meter is compatible with all Fieldp2. Fielapiece OPERATOR S MANUAL Models SC55 SC56 Safety Information e Never ground yourself when taking electrical measurements Do not touch exposed metal pipes outlets fixtures etc which might be at ground potential while taking measure ments Keep your body isolated from ground by using dry clothing rubber shoes rubber mats or any approved insulating material e Disconnect the test leads before opening the case Inspect the test leads for damage to the insulation or exposed wire Replace if suspect Keep your fingers behind the finger guards on the probes while taking measurements When disconnecting froma circuit disconnect the RED lead first then the common BLACK lead Use one handed testing when possible Work with others e Turn off power to the circuit under test be fore cutting unsoldering or breaking the circuit Donot measure resistance ohms when circuit is powered Isolate load by disconnecting from circuit e Disconnect the meter from the circuit before turning any inductor off including motors transformers and solenoids High voltage Quick Start 1 For electrical testing connect test leads to COM and jacks For temperature testing remove test leads and slide TEMP switch to the right 2 Rotate the dial to your desired function Press SEL to cycle through the parameters within the switch position 3 Connect totest points and read measurement on display Certi
3. SC56 Low battery indication Battery icon blinks and LO bt is displayed when the battery voltage drops below the operating level Dimensions 258 3mm H x 71 2mm W x 42 7mm D Weight Approx 278g including battery Overload protection 600 VDC or 600VAC rms unless otherwise Stated Test leads Use the test leads that are supplied with the meter or UL listed test leads rated CATIII 600V or above Please operate the instrument followingall instructions of the operator s manual to avoid imparing safety of the product Controls Display Battery Life replace 9V if blinking APO Auto Power Off Enabled High Voltage Warning 30V Manual Range RNG Mode H Data Hold Mode Model SC55 INRUSH Inrush Amps Mode Model SC56 Continuity Test Rotate dial to the function you want to use gt t Diode Test Hz Frequency Test hertz Press to cycle through parameters Q Resistance Test ohms within a dial position F Capacitance Test farads Duty Cycle Test percentage 3 Press to illuminate backlight for 60 sec H Micro Unit 10 one millionth m Milli Unit 107 one thousandth Press to activate Inrush current K Kilo Unit 10 one thousand capture mode SC56 M Mega Unit 10 one million Press to manually select resolution APO F Hz Press to freeze both displays SC55 h HBR u A AC INRUSH gt 0 8 0687 umF MKQHz FUNCTIONS Temperature F C Plug any K type thermocouple dire
4. ctly into the meter to measure temperature Cold junction is located inside meter and allows for extremely accurate measurements even in rapidly changing ambient temperatures going from rooftop to freezer No adapter is required See Temp Calibration section for calibration instructions Range 30 F to 932 F 35 C to 500 C Resolution 0 1 Accuracy 1 F 32 F to 120 F 1 C 0 C to 49 C 1 2 F 32 F to 572 F 1 1 C 0 C to 300 C 2 6 F 30 F to 32 F 2 3 Q 35 C to 0 C 2 6 F 572 F to 932 F 2 3 Q 300 C to 500 C Sensor type K type thermocouple Overload protection 30 VDC or 30VAC rms Non Contact Voltage NCV Use the non contact voltage NCV feature to test if a wire is hot or not Always test on a known live source before using A three segment graph will show intensity of field EF detected A red LED blinks when beeping sound is emitted at gt 24VAC AC Voltage Detection Range 24VAC to 600VAC 50 60Hz Unplug Leads and Slide TEMP Switch to the Right Voltage AC VAC 50Hz 500Hz Test power lines 120 220 480 test 24V going to controls and test for transformer failure Ranges 500mV 5V 50V 500V 600V Resolution 0 1mV Accuracy 1 2 8 500mV range 50 60HZz 1 2 8 5V 50V 500V 1 5 8 600V range True RMS model SC56 only Crest factor lt 3 Input impedance gt 100MQ 500mV 10M0 5V 9 1MQ 50V 600V MicroAmps DC wADC Microamps
5. fications c Uy us LISTED CE N22675 C Tick N22675 X WEEE CATIII 600V class Il and pollution degree 2 indoor use comply with CE ROHS compliant UL 61010 1 Second Edition IEC EN61010 1 IEC EN61010 2 032 EMC EN61326 1 transients can damage the meter beyond repair Do not use during electrical storms Donotapply morethan rated voltages between input and ground e Isolate capacitors from system and discharge them safely before testing All voltage tests All voltage ranges will withstand up to 600V Do not apply more than 600VDC or AC rms Symbols used Caution risk of electric shock A Caution refer to manual 4 Ground oO Double insulation A WARNINGS DISCONNECT AND UNPLUG TEST LEADS before opening case TEST NCV FUNCTION ON KNOWN LIVE WIRE before using DO NOT APPLY VOLTAGE greater than 30VAC or 60VDC to the thermocouple or the jacks when the rotary dial is on F Use only k type thermocouples REMOVE THE THERMOCOUPLE when taking voltage measurements DISCONNECT TEST LEADS when measuring temperature DO NOT APPLY VOLTAGE TO THE JACKS when the rotary dial is on microamps Even low voltages can cause a current overload and potentially harm the meter Description Your SC55 or SC56 is a swivel clamp multimeter specifically designed for the HVAC R technician The swivel on the SC55 SC56 allows you to get a good viewing angle on the display while taking amperage readings through the clamp
6. hrough Clamp Measure frequency without using test leads just use the clamp Turn dial to VAC AAC Hz and press SEL twice Clamp Hz upper display Range 10Hz to 400Hz Accuracy 0 1 5 Minimum current range gt 5AAC Overload Protection 400AAC Resolution 0 1Hz Inrush Current SC56 only Inrush feature captures current at start of first 100ms period of a motor start This can help diagnose a motor before it fails To activate Inrush turn dial to VAC AAC Hz position press SEL to show AAC on top display then press the INRUSH button on the side of the meter once for 50AAC range and twice for 400AAC Inrush measurement period 100 milliseconds Minimum input gt 2A on 50A range gt 20A on 400A range Obtaining Service Call Fieldpiece Instruments for one price fix all out of warranty service pricing Send check or money order for the amount quoted Send the meter freight prepaid to Fieldpiece Instruments Send proof of date and location of purchase for in warranty service The meter will be repaired or replaced at the option of Fieldpiece and returned via least cost transportation Fieldpiece Designed in USA MADE IN TAIWAN www fieldpiece com Fieldpiece Instruments Inc 2010 v21
7. iece Accessory Heads With Fieldpiece Accessory Heads you can measure any available parameter and read the measurement on your new meter s display in real time Just set the range to VDC and press the RANGE button until mV is displayed Remove the probe tips of your test leads and connect your accessory head model AAV3 shown Visit www fieldpiece com to see all of the different accessory heads that Fieldpiece offers Temp Calibration For accuracies of 1 F calibrate to a known temperature A glass of stabilized ice water is very close to 32 F 0 C and is usually very convenient but any known temperature can be used 1 Select the 400 F range 2 Plug thermocouple to be calibrated into the K type jack 3 Unscrew A and B and remove the battery cover 4 Stabilize a large cup of ice water Stir the ice with the water until temperature stays at 32 F 0 C 5 Immerse the thermocouple probe and let it stabilize Keep Stirring to prevent micro environments 6 Use a small screwdriver to adjust calibration pot C to the right of the battery as close to 32 F as you would like lt n Voltage DC VDC Select VDC and the range will automatically be selected to give the best resolution Ranges 500mV 5V 50V 500V 600V Resolution 0 1mV Accuracy 0 5 2 Input impedance gt 100MQ 500mV 10M0 5V 9 1MQ 50V 600V Resistance 0 Used for ohming out a motor 0 10 resolution
8. is necessary to test the resistance between the motor poles because the values are typically very low Ranges 5000 5kQ 50k0 500kQ 5MQ 50M0 Resolution 0 10 Overload Protection 600VDC VAC rms Accuracy 1 0 5 5000 to 500kQ 1 5 5 5MQ 3 0 5 50M0 Continuity Use the continuity feature to test if a circuit is open or closed Use this feature to check fuses as well A steady beep and green LED indicate the circuit is good Turn dial to 0 position and press SEL button once Range 5000 Resolution 0 10 Response time 100ms Audible beep lt 30 Overload Protection 600VDC VACrms Diode Test Test diodes for proper forward and reversed biased functions Turn dial to 0 position and press SEL button twice Test current 0 8mA Approx Accuracy 1 5 5 Overload Protection 600VDC VACrms Safety Features 1 Bright LED and beeper warn you when testing voltages above 30V 2 Switch to the NCV function non contact volt age and point clamp claw towards suspected voltage source Monitor the bright LED and beeper to see if the source is hot 3 Rotate the clamp to the angle that best suits the situation 4 Tempswitchto preventleaving thermocouple plugged in while measuring voltage 5 LED flashlight automatically shines when clamp jaw is opened model SC56 only Battery Replacement The battery must be replaced when the battery icon is empty and blinking The icon will blink for 30 seco
9. nds then the meter will display LO bt and further measurement will not be allowed until battery is replaced Disconnect and unplug leads turn meter off and remove battery cover Replace the battery with a standard NEDA type 1604 9V battery Maintenance Clean the exterior with a dry cloth Do not use liquid Limited Warranty This meter is warranted against defects in material or workmanship for one year from date of purchase Fieldpiece will replace or repair the defective unit at its option subject to verification of the defect This warranty does not apply to defects resulting from abuse neglect accident unauthorized repair alteration or unreasonable use of the instrument Any implied warranties arising from the sale of a Fieldpiece product including but not limited to implied warranties of merchantability and fitness for a particular purpose are limited to the above Fieldpiece shall not be liable for loss of use of the instrument or other incidental or consequential damages expenses or economic loss or for any claim of such damage expenses or economic loss State laws vary The above limitations or exclusions may not apply to you Amps AC AAC Test any isolated power line Press SEL on VAC AAC HZ position AAC will display in the upper display True RMS on model SC56 only Ranges 50A 400A Resolution 0 01A Crest factor lt 3 Accuracy 2 0 10 50 60Hz Jaw Opening 1 2in 30 mm Frequency Hz t
10. regardless of wire orientation The SC55 and SC56 also contain the functions that are most relevant for an HVAC R technician The unique temperature circuit allows the SC55 SC56 to get accurate temperature readings faster when moving from a rooftop to a freezer The easily accessible field calibration allows you to calibrate the temperature on your SC55 SC56 without hassle Inrush current SC56 allows you to get a reliable measurement of a motor s startup amp draw You can use the inrush measurement to help diagnose a motor before it fails The jaw light SC56 and backlight 3 SC56 make it easier to use in any lighting condition True RMS SC56 helps you take more accurate voltage readings on variable frequency drives Specifications Display 5000 count dual display with backlight Overrange OL or OL is displayed Measurement rate 3 3 times per second nominal Zero Automatic Operating environment 32 F to 122 F 0 C to 50 C at lt 70 relative humidity Storage temperature 4 F to 140 F 20 C to 60 C 0 to 80 RH with battery removed Accuracy Stated accuracy 73 F 9 F 23 C 5 C lt 75 RH Temperature coefficient 0 1 x specified accuracy per C 0 C to 19 C 32 F to 66 F 28 C to 50 C 82 F to 122 F APO Auto Power Off Approx 30 minutes Power Single standard 9 volt battery NEDA 1604 JIS 006P IEC 6F22 Battery life 200 hours typical alkaline SC55 100 hours typical alkaline
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