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Megohmmeter Model 1050

The Megohmmeter Model 1050 is a 1000V Digital/Analog Insulation Tester. It is designed to facilitate testing by incorporating automatic measurement features and user friendly functions. The True Megohmmeter® Model 1050 provides test voltage combinations of 50V, 100V, 250V, 500V and 1000V.

Measurements are displayed on a large dual-display LCD with bargraph for quick viewing of changes or trends.

The Model 1050 automatically provides the DAR and PI ratios directly on the display. User defined PI time intervals may also be programmed. The user may even select DAR or PI functions before the test, and the megohmmeter will stop at the appropriate time and display the results.

An automatic test inhibitor prevents testing on live circuits above 25V and discharge test voltage may be displayed.

A memory feature permits storage, recalling and displaying of resistance values taken at user specified intervals during a test.

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
1050 2130.01 Megohmmeter Model 1050 $1,699.00 Consult Factory for Availability
Model1050
Cat. #2130.01
DescriptionMegohmmeter Model 1050
List Price$1,699.00
Consult Factory for Availability
Print
AC/DC Voltage Measurement
Range 1 to 1000V
Accuracy ±(1% R + 3V)
Resolution 1 to 99.9V: 0.1V
100 to 1000V: 1V
Frequency Range DC and 16 to 65Hz
Input Impedance 750kΩ approx.
Insulation Measurement
Test Voltage / Resistance Range 50V: 2kΩ to 200GΩ
100V: 4kΩ to 400GΩ
250V: 10kΩ to 1TΩ
500V: 20kΩ to 2TΩ
1000V: 40kΩ to 4TΩ
Measurement Accuracy 2kΩ to 39.99GΩ: ±(5%R + 3ct)
40.0GΩ 4TΩ: ±(15%R + 10ct)
Auto Discharge Discharge time < 2s/µF from Vtest to 25V
Live Circuit Indicator Inhibit test if terminal voltage > 25V prior to initialization of test
Resistance Measurement
Range 0.01Ω to 399.9kΩ
Accuracy ± (3%R + 3ct) at >4kΩ
Open Circuit Voltage Approximately 12.4V DC
Short Circuit Current <6mA DC
Continuity Measurement
Range 0.01 to 39.99Ω
Accuracy ± (3%R + 4ct) with lead compensation
Open Circuit Voltage 12.4V DC
Short Circuit Current ≥ 200mA DC from 0.01 to 20.00Ω
General Features
Programmable Alarm Yes
DAR – PI Yes
Ramp Mode No
Step Mode No
Capacitance Measurement 0.05nf to 4.999µf, Accuracy: ± (10%R + 1ct)
Memory 20 Readings
Power Supply Eight 1.5V C cell batteries (included)
Battery Life ≥ 21000 IR tests at 1000V into 1MΩ with a duty cycle of 5s on and 20s off; ≥ 16,000 R tests of 1Ω with a duty cycle of 5s on and 20s off
Charging Time 4.5 hours approximately
Dimensions 9.45 x 7.28 x 4.33” (240 x 185 x 110mm)
Weight 7.5 lbs (3.4kg)
Altitude Operating 6562' (2000m)
Operating Temperature 14° to +131°F (-10° to +55°C) ≤80% RH
Storage Temperature -40° to +158°F (-40° to +70°C) ≤90% RH
IP Rating IP 54
Safety Compliance EN 61010-1, EN 61557, 600V CAT III, Pollution Degree 2

User Manuals

Datasheets

Brochure

Comparison Charts

Application Notes

Technical Bulletins

Video

Understanding Insulation Resistance Testing

Model Cat. # Description List Price Quantity/Status Distributor 
Stock Check
2118.97 Remote Test Probe. Compatible with models 6116N and 6117 Multi function Installation Testers. Will not work with other ground tester instruments. $199.00
2119.55 DISCONTINUED See replacement items: Cat #5000.93 (Safety Leads); Cat #2140.52 (Red Alligator Clip); Cat #2140.53 (Blk Alligator Clip) ; Cat #2140.54 (Blue Alligator Clip) $0.00
2119.56 Fuse, Set of 3, 0.1A, 660V, 20kA, 6x32mm for Models 1050/1060/6550/6555 $34.50
2119.57 Fuse - Set of 1, 2.5A, 1200V, 8 x 50mm for Models 1050/1060 $16.00
2119.58 DISCONTINUED See replacement items: Cat #5000.78 (Safety Leads); Cat #5000.95 (5 ft shielded Lead); Cat #5000.30 (Blk test probe); Cat #2140.52 (Red Alligator Clip); Cat #2140.53 (Blk Alligator Clip); $0.00 Discontinued
2119.59 Pouch - Replacement for Models 1050/1060
Dimensions: 8 x 10 x 2"
$73.00
2119.82 Multi-purpose Large Canvas Bag
Dimensions: 22 x 10.5 x 12"
$125.00
2951.70 Lead - Set of 3, Color-coded 10 ft safety leads for use with Models 1050/1060/1035 $175.00
5000.14 Power cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers $8.50
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.
$99.00
5100.02 Latches - Replacement set of 2 for use with AEMC Yellow cases $8.00
Model
Cat. #2118.97
DescriptionRemote Test Probe. Compatible with models 6116N and 6117 Multi function Installation Testers. Will not work with other ground tester instruments.
List Price$199.00
Model
Cat. #2119.55
DescriptionDISCONTINUED See replacement items: Cat #5000.93 (Safety Leads); Cat #2140.52 (Red Alligator Clip); Cat #2140.53 (Blk Alligator Clip) ; Cat #2140.54 (Blue Alligator Clip)
List Price$0.00
Model
Cat. #2119.56
DescriptionFuse, Set of 3, 0.1A, 660V, 20kA, 6x32mm for Models 1050/1060/6550/6555
List Price$34.50
Model
Cat. #2119.57
DescriptionFuse - Set of 1, 2.5A, 1200V, 8 x 50mm for Models 1050/1060
List Price$16.00
Model
Cat. #2119.58
DescriptionDISCONTINUED See replacement items: Cat #5000.78 (Safety Leads); Cat #5000.95 (5 ft shielded Lead); Cat #5000.30 (Blk test probe); Cat #2140.52 (Red Alligator Clip); Cat #2140.53 (Blk Alligator Clip);
List Price$0.00
Discontinued
Model
Cat. #2119.59
DescriptionPouch - Replacement for Models 1050/1060
Dimensions: 8 x 10 x 2"
List Price$73.00
Model
Cat. #2119.82
DescriptionMulti-purpose Large Canvas Bag
Dimensions: 22 x 10.5 x 12"
List Price$125.00
Model
Cat. #2951.70
DescriptionLead - Set of 3, Color-coded 10 ft safety leads for use with Models 1050/1060/1035
List Price$175.00
Model
Cat. #5000.14
DescriptionPower cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers
List Price$8.50
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$99.00
Model
Cat. #5100.02
DescriptionLatches - Replacement set of 2 for use with AEMC Yellow cases
List Price$8.00

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