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Megohmmeter Model 6503

The Megohmmeter Model 6503 is a compact, self-contained, hand-cranked True Megohmmeter®. This practical and dependable instrument is designed for a broad range of plant and field service applications, such as acceptance testing and preventive maintenance of wiring, cables, switchgear and motors. The easy hand-cranked operation provides a steady, DC voltage output across the entire range for consistently reliable readings. The Model 6503 has three test voltages for insulation resistance testing: 250V, 500V and 1000V. Test voltages are generated in full across the entire measurement range.

NOTE: Our complete catalog is not available for direct online purchase, refer to the Status Column for purchasing options. Items that do not have an Add to Cart button must be purchased from an Authorized Distributor.
Model Cat. # Description List Price Quantity/Status Distributor Stock Check
6503 2126.52 Megohmmeter Model 6503 $645.00 In stock at factory. Find a Distributor
Model6503
Cat. #2126.52
DescriptionMegohmmeter Model 6503
List Price$645.00
In stock at factory. Find a Distributor
Print
AC Voltage Measurement
Range 0 to 600VAC
Accuracy ±3% of Scale
Frequency Range 45 to 450Hz
Input Impedance 100kΩ (approx)
Insulation Measurement
Test Voltage / Resistance Range 250V: 1 to 11MΩ; 11 to 500MΩ
500V: 1 to 11MΩ; 11 to 500MΩ
1000V: 10 to 110MΩ; 110 to 5000MΩ
Measurement Accuracy 2.5% of Scale Length
Short Circuit Current 5mA (max)
Auto Discharge 8s/µF
Features
Power Supply Hand-cranked, test voltage reached at approx 140rpm
Dimensions 4.7 x 4.4 x 5.3” (120 x 111 x 135mm) with lid
Weight 2.5 lb (1.1kg)
Operating Temperature 14° to +113°F (-10° to +45°C); 75% RH
Storage Temperature -4° to +176°F (-20° to +80°C); 90%
IP Rating IP 54 with lid; IP 52 without lid
Safety Compliance EN 61010-1, 600V CAT II, 300V CAT III, Pollution Degree 2

User Manuals

Datasheets

Brochure

Comparison Charts

Application Notes

Technical Bulletins

Video

Understanding Insulation Resistance Testing

Hand-Held Megohmmeters

Model Cat. # Description List Price Quantity/Status Distributor 
Stock Check
2126.71 Case - Replacement Carrying Case for Models 3620, 3640, 4600, 4610, AN1, 6501 & 6503 $33.50
2126.73 Cat.# 2126.73 is DISCONTINUED. Click on replacement items: Cat #5000.93: Safety Leads. Cat #5000.30: Blk Test Probe. Cat #5000.99: Blk Alligator Clip. Cat #5100.00: Red Alligator Clip. Cat #5100.04: Blue Alligator Clip. DISCONTINUED $0.00 Discontinued
2140.52 Cat.# 2140.52 is DISCONTINUED. Click on replacement items: Cat #5100.00: Clip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2). DISCONTINUED $8.50 Consult Factory for Availability
2140.53 Cat.# 2140.53 DISCONTINUED Click on replacement items: Cat #5000.99: Clip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2)).; $8.50
2140.54 Cat.# 2140.54 DISCONTINUED Click on replacement items: Cat #5100.04: Clip - Safety Alligator - Blue (1000V CAT IV, 15A, UL V2) $8.50 Consult Factory for Availability
5000.30 Probe - black test probe {Rated 1000V CAT IV, 15A, UL} replacement for Megohmmeter lead sets $6.00
5000.31 Probe - red test probe (1000V CAT IV, 15A, UL) $6.00
5000.66 Megohmmeter calibration checker - provides two test resistances of 150kO and 100MO.
NOTE: The 150kO terminal accepts test voltages up to 1000V. The 100MO terminal accepts voltages up to 2500V.
$104.00 Consult Factory for Availability
5000.93 Lead - set of 3, 5 ft PVC color-coded (red/black/blue) with 4mm straight/right banana plugs $32.00
5100.04 Clip - Safety Alligator - Blue (1000V CAT IV, 15A, UL V2) $9.50
5100.05 Clip - Safety Alligator - White (1000V CAT IV, 15A, UL) $9.50
5100.06 Clip - Safety Alligator - Green (1000V CAT IV, 15A, UL) $9.50
5100.07 Lead - set of 2, 5 ft color-coded (red/black) PVC w/ 4mm ST/ST plugs $24.00
Model
Cat. #2126.71
DescriptionCase - Replacement Carrying Case for Models 3620, 3640, 4600, 4610, AN1, 6501 & 6503
List Price$33.50
Model
Cat. #2126.73
DescriptionCat.# 2126.73 is DISCONTINUED. Click on replacement items: Cat #5000.93: Safety Leads. Cat #5000.30: Blk Test Probe. Cat #5000.99: Blk Alligator Clip. Cat #5100.00: Red Alligator Clip. Cat #5100.04: Blue Alligator Clip. DISCONTINUED
List Price$0.00
Discontinued
Model
Cat. #2140.52
DescriptionCat.# 2140.52 is DISCONTINUED. Click on replacement items: Cat #5100.00: Clip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2). DISCONTINUED
List Price$8.50
Consult Factory for Availability
Model
Cat. #2140.53
DescriptionCat.# 2140.53 DISCONTINUED Click on replacement items: Cat #5000.99: Clip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2)).;
List Price$8.50
Model
Cat. #2140.54
DescriptionCat.# 2140.54 DISCONTINUED Click on replacement items: Cat #5100.04: Clip - Safety Alligator - Blue (1000V CAT IV, 15A, UL V2)
List Price$8.50
Consult Factory for Availability
Model
Cat. #5000.30
DescriptionProbe - black test probe {Rated 1000V CAT IV, 15A, UL} replacement for Megohmmeter lead sets
List Price$6.00
Model
Cat. #5000.31
DescriptionProbe - red test probe (1000V CAT IV, 15A, UL)
List Price$6.00
Model
Cat. #5000.66
DescriptionMegohmmeter calibration checker - provides two test resistances of 150kO and 100MO.
NOTE: The 150kO terminal accepts test voltages up to 1000V. The 100MO terminal accepts voltages up to 2500V.
List Price$104.00
Consult Factory for Availability
Model
Cat. #5000.93
DescriptionLead - set of 3, 5 ft PVC color-coded (red/black/blue) with 4mm straight/right banana plugs
List Price$32.00
Model
Cat. #5100.04
DescriptionClip - Safety Alligator - Blue (1000V CAT IV, 15A, UL V2)
List Price$9.50
Model
Cat. #5100.05
DescriptionClip - Safety Alligator - White (1000V CAT IV, 15A, UL)
List Price$9.50
Model
Cat. #5100.06
DescriptionClip - Safety Alligator - Green (1000V CAT IV, 15A, UL)
List Price$9.50
Model
Cat. #5100.07
DescriptionLead - set of 2, 5 ft color-coded (red/black) PVC w/ 4mm ST/ST plugs
List Price$24.00

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