IDEAL INDUSTRIES Digital Photo Keychain 61 310 User Manual

IDEAL INDUSTRIES, INC.  
TECHNICAL MANUAL  
MODEL: 61-310  
This Service Manual provides the following information:  
Precautions and safety information  
Specifications  
Basic maintenance (cleaning, replacing the battery and fuses)  
Performance test procedures  
Calibration and calibration adjustment procedures  
Form Number: TM61310  
Revision: 2. Date: August 2007  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 1  
Introduction  
Warning  
To avoid shock or injury, do not perform the verification tests or calibration procedures  
described in the manual unless you are qualified to do so.  
The information provided in this document is for the use of qualified personnel only.  
Caution  
The 61-310 series contain parts that can be damaged by static discharge.  
Follow the standard practices for handling static sensitive devices.  
For additional information about IDEAL INDUSTRIES, INC. and its products, and services,  
visit IDEAL INDUSTRIES, INC. web site at:  
Precautions and Safety Information  
Use the meter only as described in the Service Manual. If you do not do so, the protection  
provided by the meter may be impaired. Read the “Safety Information” page before servicing  
this product.  
In this manual, a Warning identifies conditions and actions that pose hazard (s) to the user; a  
Caution identifies conditions and actions that may damage the meter or the test instrument.  
The Symbols  
The symbols used on the meter and in this manual are explained in Table A.  
Table A. The Symbols  
Risk of electric shock  
Refer to the manual. Important information.  
DC measurement  
Equipment protected by double or reinforced  
insulation  
Battery  
Earth  
AC measurement  
Conforms to EU directives  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 2  
SAFETY  
Review the following safety precautions to avoid injury and prevent damage to this product or  
any products connected to it. To avoid potential hazards, use the product only as specified.  
For operating instructions, see the 61-310 Digital Multimeter Instruction Manual.  
CAUTION: These statements identify conditions or practices that could result in damage to  
the equipment or other property.  
WARNING: These statements identify conditions or practices that could result in personal  
injury or loss of life.  
Specific precautions  
Use proper Fuse. To avoid fire hazard, use only the fuse type and rating specified for this  
product.  
Do not operate without covers. To avoid personal injury, do not apply any voltage or current  
to the product without covers in place.  
Electric overload. Never apply a voltage to a connector on the product that is outside the  
range specified for that connector.  
Avoid electric shock. To avoid injury or loss of life, do not connect or disconnect probes or test  
leads while they are connected to a voltage source.  
Do not operate in wet/damp conditions. To avoid electric shock, do not operate this product  
in wet or damp conditions.  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 3  
SPECIFICATIONS  
All specifications are warranted unless noted typical and apply to the 61-310.  
Stated accuracies are at 23°C±5°C at less than 70% relative humidity and without the battery  
indicator displayed.  
General specifications  
Characteristics  
Description  
Display count  
3 ½ digit liquid crystal display, 1999 count  
3 times / sec  
Numeric update rate  
Polarity display  
Automatic, positive implied  
OL“ is displayed  
Over range display  
Low Battery indicator  
Automatic power-off time  
is indicated  
Automatic backlight off = 30 minutes  
Power source  
9Vbattery, NEDA 1604, JIS006P, IEC6F22  
Maximum input voltage  
600V CAT II between V and COM  
Maximum floating voltage  
Maximum mA input current, V/ma and COM  
Maximum A input current, 10A and COM  
V connector  
600V CATII between any termianl and earth ground  
Fused 250mA at 250Vrms  
10A , not Fused, max time is no longer that 15 seconds  
V
, V , ,  
,
, mA, Temperature  
Temperature Coefficient  
Battery Life  
0.1×(Spec. Accuracy) per °C, <18°C or >28°C  
Alkaline 9V, approximately 200 hours  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 4  
Measurement Characteristics  
Accuracy is ±(% reading + number of digits) at 23°C ± 5°C, less than 80% R.H.  
(1) DC Volts  
Over voltage  
protection  
Range  
Resolution  
Accuracy  
200.0mV  
2.000V  
100μV  
1mV  
0.5% + 2  
0.8% + 2  
600V rms  
20.00V  
10mV  
100mV  
1V  
200.0V  
600V  
Input Impedance: 10MΩ  
(2) AC Volts  
Range  
Over voltage  
protection  
Resolution  
Accuracy  
40-400Hz  
1.2% + 10  
1.2% + 10  
200.0V  
600V  
100mV  
1V  
600V rms  
Input Impedance: 4.5MΩ  
AC Conversion Type: Average sensing rms indication calibrated to the sine wave input.  
(3) DC Current  
Range  
Resolution  
0.1mA  
Accuracy  
1.5% + 2  
3.0% + 5  
Overload protection  
250mA/250V Fast Blow Fuse  
Not fused, 15 sec Max  
200.0 mA  
10.00A*  
.01A  
*
Caution: Do not make high current measurements on the 10A scale for longer that 15  
seconds. This should be followed by a 15 minute cool down period. Exceeding 15 seconds  
may cause damage to the meter and/or the test leads.  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 5  
(4) Resistance  
Range  
Over voltage  
protection  
Resolution  
Accuracy  
200.0*1  
2.000KΩ  
20.00KΩ  
200.0KΩ  
2.000MΩ  
20.00M*2  
0.1Ω  
1Ω  
0.8% + 4  
10Ω  
0.8% + 2  
3.0% + 3  
250V rms  
100Ω  
1KΩ  
10KΩ  
Open circuit Voltage: -1.5V approx.  
*1 < 5 digit of reading rolling.  
*2 ± 2% of reading rolling.  
(5) Diode Check and Continuity  
Max. Test  
Current  
Max. Open  
Range  
Resolution  
Accuracy  
Not specified *  
Circuit Voltage  
1mV  
1mA, approx.  
2.8V, approx.  
Overload Protection: Not specified  
Continuity: Built-in buzzer sounds when resistance is less than approximately <30 with a  
response time of approximately 100 msec.  
(6) Temperature: Type K thermocouple  
Overload  
Range  
Resolution  
Accuracy  
protection  
-20 to 16 ºC  
17 to 400 ºC  
401 to 750 ºC  
-4 to59 ºF  
1º  
1º  
1º  
1º  
1º  
1º  
2.5% + 10  
1.0% + 5  
2.5% + 10  
2.5% +19  
1.0% +9  
Not Specified  
60 to 750ºF  
751 to 1382ºF  
2.5% +19  
(7) Auto Power Off (APO)  
If the meter idles for more than 15 minutes, the meter automatically turns the power off.  
(8) Data Hold  
Press the HOLD button to freeze the reading in the display, “H” will appear on LCD display.  
Press the HOLD button again to release the data hold function.  
(9) Battery Test 1.5 and 9V  
Test current 1.5V is approximately 120mA  
9.0V is approximately 9mA  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 6  
Physical and Environmental Characteristics  
Characteristics  
Description  
150mm(H) ×76mm (W) ×38mm(D) (with holster)  
5.9” (H) x 3.0”(W) x1.5”(D)  
Dimensions (H×W×D)  
Weight (with battery& holster)  
Environmental characteristics  
Temperature operating range  
Non-Operating  
0.219Kg (7.1 oz.)  
Description  
0 to +40°C  
-20 to +60°C <80% R.H.  
<75% R.H.  
Humidity (operating)  
Altitude  
6561.7 Ft. (2000m)  
Indoor Use  
Indoor Use  
Certifications and compliances  
Safety  
Complies with UL 61010B-1  
V / /Temp/mA, UL 61010B-1, UL 61010-B-2-031, EU  
Input Safety Rating  
61010-1 EN61010-2-031, Cat II 600Volts  
CAT III: Distribution level mains, fixed installation.  
CAT II: Local level mains, appliances, portable equipment  
CAT I: Signal level, special equipment or parts of equipment,  
telecommunication, electronics.  
Do not operate in environments where conductive  
Pollutants may be present.  
Pollution Degree 2  
Meets the intent of Directive 89/336/EEC for Electromagnetic  
Compatibility and Low Voltage Directive 73/23/EEC for product  
safety. Compliance was demonstrated to the following specifications  
as listed in the official Journal of the European Communities:  
En 55011 Class A: Radiated and Conducted Emissions.  
En 50082-1 Immunity:  
EC Declaration  
of Conformity  
IEC 801-2 Electrostatic Discharge  
IEC 801-3 RF Radiated  
En 61010-1 Safety requirements for electrical equipment for  
measurement, control, and laboratory use.  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 7  
Required Equipment  
Required equipment is listed in Table B. If the recommended models are not available,  
equipment with equivalent specifications may be used.  
Repairs or servicing should be performed only by qualified personnel.  
Table B. Required Equipment  
Equipment  
Required Characteristics  
Recommended Model  
AC Voltage Range: 0 ~ 750V AC  
Accuracy: ±0.07% (Basic)  
Calibrator  
Fluke 5500 or Wavetek  
9100 Calibrator or  
equipment  
Frequency Range: 40 ~ 1KHz  
Accuracy: ±2%  
DC Voltage Range: 0 ~ 1000V DC  
Accuracy: ±0.006% (Basic)  
Current Range: 0 ~ 10A  
Accuracy: AC (40Hz to 1KHz): ±0.08% (Basic)  
DC: ±0.02% (Basic)  
Frequency Source: 5.00Hz ~ 100MHz  
Accuracy: ±0.001%  
Amplitude: 0.5V p-p ~ 1.0V p-p (square wave)  
Accuracy: ±5%  
Resistance Range: 1~ 100MΩ  
Accuracy: ±0.03% (Basic)  
Capacitance Range: 1pF ~ 10mF  
Accuracy: ±0.10% (Basic)  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 8  
Basic Maintenance  
Warning  
To avoid shock, remove the test leads and any input signals before opening the case or  
replacing the battery or fuses.  
Opening the Meter Case  
Caution  
To avoid an unintentional short circuit, always place the uncovered meter assembly on a  
protective surface. When the case of the meter is open, circuit connections are exposed.  
1. Disconnect test leads from any live source, turn the rotary switch to OFF, and remove  
the test leads from front terminals.  
2. For battery replacement follow instructions under Replacing the Battery section  
3. For Fuse replacement follow instructions in the Fuse Replacement section.  
Replacing the Battery  
The 61-310 meter is powered by a 9V battery, types are, NEDA 1604, JIS006P, IEC 6F22  
1. Remove the rubber holster.  
2. Remove the two screws on the battery cover and open the battery cover.  
3. Unsnap the old battery and snap in the new battery.  
4. Return the battery cover and reinstall the two battery cover screws.  
5. Replace the rubber boot.  
Battery and Fuse Replacement  
FIGURE 1  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 9  
Replacing Fuses  
Warning  
To avoid electrical shock, remove the test leads and any input signals before replacing the  
battery or fuses.  
To prevent damage or injury, INSTALL ONLY quick acting fuses with the following Amp/Volt  
current interrupt rating:  
F-310 Fuse: 250mA 250V FAST BLOW Fuse  
Fuse Replacement  
The 61-310 replacement fuse is part number: F-310  
Fuse Rating is: 250mA 250V FAST BLOW  
1. Remove the rubber holster.  
2. Remove the two screws on the battery cover and open the battery cover.  
3. Remove the two screws under the battery cover.  
4. Lift up on the back case until the case unsnaps from the front case near display.  
Replace the defective fuse with the standard rated fuse for this meter.  
5. Return the back case cover, reinsert the case screws.  
It is recommended to replace the old battery with a new battery.  
6. Return the battery cover and reinstall the two battery cover screws.  
7. Replace the rubber boot.  
Caution Use only a fuse with the amperage, interrupt voltage, and speed rating  
specified.  
Cleaning  
Warning  
To avoid electrical shock or damage to the meter, never allow water inside the case. To avoid  
damaging the meter’s housing, never apply solvents to the meter.  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 10  
Performance Tests  
The following performance tests verify the complete operability of the meter and check the  
accuracy of each meter function against the meter’s specifications.  
Accuracy specifications are valid for a period of one year after calibration, when measured at  
an operating temperature of 18°C to 28°C and a maximum of 80% relative humidity.  
To perform the following tests, it is not necessary to open the case, no adjustments are  
necessary, merely make the required connections, apply the designated inputs, determine if  
the reading on the meter display falls within the acceptable range indicated.  
If the meter fails any of these tests, it needs calibration adjustment or repair.  
Testing the Voltage Function  
To verify accuracy in the AC and DC voltage ranges, do the following:  
1.  
2.  
3.  
4.  
5.  
Turn the rotary switch to “DCV” function and range shown in Table1.  
Connect the calibrator to the Vand COM inputs on the meter.  
Set the calibrator for the voltage from steps 1 to 7 in Table 1.  
Compare the reading on the meter display with the display reading shown in Table 1.  
If the display reading falls outside of the range shown in Table 1, the meter does not  
meet specification.  
Table 1: DC Voltage Test:  
Range  
Step  
Input  
190.0mV  
2.0mV  
Reading  
188.8 to 191.2  
1.8 to 2.2  
1
2
3
4
5
6
7
200mV  
200mV  
2V  
1.900V  
-1.900V  
19.00V  
190.0V  
600V  
1.888 to 1.912  
-1.888 to -1.912  
18.88 to 19.12  
188.8 to 191.2  
593 to 607  
2V  
20V  
200V  
600V  
6.  
7.  
8.  
9.  
Turn the rotary switch to the “ACV “ function and range shown in Table 2.  
Set the calibrator for the voltage and frequency from step 1 to 6 in Table 2.  
Compare the reading on the meter display with the display reading shown in Table 2.  
If the display reading falls outside of the range shown in Table 2, the meter does not  
meet specification.  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 11  
Table 2: AC Voltage Test:  
Range  
200V  
200V  
200V  
200V  
600V  
600V  
Step  
Input  
2.0V  
Frequency  
60Hz  
Reading  
1
2
3
4
5
6
1.0 to 3.0  
2.0V  
400Hz  
60Hz  
1.0 to 3.0  
190.0V  
190.0V  
600V  
600V  
186.7 to 193.3  
186.7 to 193.3  
583.0 to 617.0  
583.0 to 617.0  
400Hz  
60Hz  
400Hz  
Testing the DC milliamps and DC amps Function  
1. Turn the rotary switch to the DCA function and range shown in Table 3.  
2. Apply the inputs for steps 1-3 in Table 3.  
3. For each input, compare the reading on the meter display to the reading for your meter  
in Table 3.  
4. If the display reading falls outside of the range shown in Table 3, the meter does not meet  
specification.  
Table 3: DC Current Test:  
Range  
200 mA  
200 mA  
10 A  
Step  
Source  
2.00 mA  
190.0 mA  
10.00 A  
Reading  
1.8 to 2.2  
1
2
3
186.9 to 193.1  
9.65 to 10.35  
Testing the Resistance Function  
To verify the accuracy of the resistance function, do the following:  
1. Connect the calibrator to Vand COM on the meter.  
2. Turn the rotary switch to OHM. function and range shown in Table 4  
3. Apply the inputs for steps 1-6 in Table 4.  
4. Compare the meter display readings to the display readings in Table 4.  
5. If the display reading falls outside of the range shown in Table 4, the meter does not meet  
specification.  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 12  
Table 4: Resistance Test:  
Range  
Step  
Source  
2.0Ω  
Reading  
*200 OHM  
*200 OHM  
2K OHM  
1
2
3
4
5
7
1.6 to 2.4  
190.0Ω  
1.900KΩ  
19.00KΩ  
190.0KΩ  
19.00MΩ  
188.3 to 191.7  
1.883 to 1.917  
18.83 to 19.17  
188.3 to 191.7  
18.40 to 19.60  
20K OHM  
200K OHM  
20M OHM  
*Lead resistance on the 200 ohm range is not included in error.  
Checking the Diode Test Function  
To check the diode test function, do the following:  
1. Connect the calibrator to the Vand COM inputs on the meter.  
2. Turn the rotary switch to  
.
3. Apply 1.500V DC. The meter display should read approx. 1.500V dc.  
4. Apply a 20-ohm resistor to the meter, the built-in buzzer buzzes.  
Testing the Temperature Function  
Before beginning this test allow 30 minutes for the meter and calibrator temperature adapter to  
reach ambient temperature.  
To verify the accuracy of the Temperature function, perform the Following:  
1. Apply the temperatures in steps 1 - 7 to the VTemp and COM inputs using a  
temperature adapter to the meter.  
2. Turn the rotary switch to ºC or ºF (Range is –20 to 750 ºC or –4 to 1382 ºF)  
3. Compare the reading on the meter display to the reading in Table 4.  
Note : Meter selects the proper range automatically. Each measurement takes a few seconds.  
4. If the display reading falls outside of the range shown in steps 1–7 of Table 4, the meter  
does not meet specification.  
Table 5: Temperature Test:  
Range  
ºC  
Step  
Source  
-20 ºC  
0 ºC  
Reading  
-30 to -10  
-10 to 10  
1
2
3
4
5
6
7
ºC  
ºC  
400 ºC  
750 ºC  
-4 ºF  
391 to 409  
721 to 779  
-23 to 15  
ºC  
ºF  
ºF  
32 ºF  
13 to 51  
ºF  
1382 ºF  
1328 to 1436  
Form Number TM61310  
Rev 2 Aug 2007  
 
Page 13  
Calibration Procedure  
To Recalibrate your meter: It is recommended that the Multimeter be calibrated once each year.  
1. Perform calibration at an ambient temperature of 23°C±2°C and a relative humidity of  
<70% Disconnect the test leads and turn the meter off. Remove the test leads from the  
front terminals.  
2. Position the meter face down. Remove the battery cover screws and the 2 bottom  
case cover screws.  
3. Lift the end of the bottom case cover until it gently unsnaps from the case top at the  
end nearest the LCD.  
(A) DCV and ACV Calibration (Adjust VR1)  
1. Set the rotary switch to the "200mV DC" position.  
2. Set the output of the DC calibrator for 190.0mV ±0.02% and connect to V//Temp and  
COM input terminals on meter.  
3. Using a small flat-tipped screwdriver to adjust VR1 until the display reads 198.9 to 190.1  
mV.  
4. Disconnect the DC calibrator from the meter.  
(B) DC A Calibration (Adjust VR5)  
1. Set the rotary switch to the "10 A DC" position.  
2. Set the output of the calibrator to 5A DC  
3. Connect the calibrator current output to the 10A and COM input terminals on  
meter.  
4. Using a small flat-tipped screwdriver to adjust VR4 until the display reads 4.95 to  
5.05 amps  
(C) ºC Calibration (Adjust VR2)  
1. Set the rotary switch to the "ºC " position.  
2. Set the output of the calibrator to 0 ºC  
3. Connect the calibrator Temperature output to the V//Temp and COM input terminals  
4. Using a small flat-tipped screwdriver, adjust VR2 for a 0ºC ±1ºC (-1 to 1) display  
(D) ºF Calibration (Adjust VR3)  
1. Set the rotary switch to the "ºF " position.  
2. Set the output of the calibrator to 32 ºF  
3. Connect the calibrator Temperature output to the V/Temp and Com input  
4. Using a small flat-tipped screwdriver adjust VR3 for a 32ºF ±1ºF (31 to 33) display  
Form Number TM61310  
Rev 2 Aug 2007  
 

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