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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
1050 2130.01 Megohmmeter Model 1050 $1,650.00 In stock at factory. Find a Distributor
Model1050
Cat. #2130.01
DescriptionMegohmmeter Model 1050
List Price$1,650.00
In stock at factory. Find a Distributor
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
Model Cat. # Description List Price Quantity/Status
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 Lead - Set of 3, Color-coded 5 ft Safety Leads, 3 Color-coded Safety Alligator Clips - [RATED 1000V MAX] for Models 1050 & 1060 $53.00
2119.56 Fuse - Set of 3, 0.1A, 660V, 6 x 32mm (0.25 x 1.25") for Models 1050/1060 $32.00
2119.57 Fuse - Set of 1, 2.5A, 1200V, 8 x 50mm for Models 1050/1060 $14.75
2119.58 Lead - Replacement, 5 ft. (Set of 2 Color-coded Safety Leads, 3 Color-coded Alligator Clips, 1 Black Test Probe, 1 Black Shielded Lead, no RS cable) for Megohmmeter Models 1050 &1060 $150.00
2119.59 Pouch - Replacement for Models 1050/1060
Dimensions: 8 x 10 x 2"
$73.00
2119.60 Lead - Replacement, 5 ft. (Set of 2 Color-coded Safety Leads, 3 Color-coded Alligator Clips, 1 Black Test Probe, 1 Black Shielded Lead, carrying pouch, no RS cable) for Megohmmeter Models 1050 &1060 $0.00 Discontinued
2119.82 Multi-purpose Large Canvas Bag
Dimensions: 22 x 10.5 x 12"
$121.00
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 $8.00
5000.30 Probe - Black Test Probe {Rated 1000V CAT IV, 15A, UL} Replacement for Megohmmeter lead sets $5.50
5000.31 Probe - Red Test Probe {1000V CAT IV, 15A, UL} $5.50
5000.66 Megohmmeter Calibration Checker - provides two test resistances of 150kΩ and 100MΩ.
NOTE: The 150kΩ terminal accepts test voltages up to 1000V. The 100MΩ terminal accepts voltages up to 2500V.

Instruction Sheet
$99.00
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
DescriptionLead - Set of 3, Color-coded 5 ft Safety Leads, 3 Color-coded Safety Alligator Clips - [RATED 1000V MAX] for Models 1050 & 1060
List Price$53.00
Model
Cat. #2119.56
DescriptionFuse - Set of 3, 0.1A, 660V, 6 x 32mm (0.25 x 1.25") for Models 1050/1060
List Price$32.00
Model
Cat. #2119.57
DescriptionFuse - Set of 1, 2.5A, 1200V, 8 x 50mm for Models 1050/1060
List Price$14.75
Model
Cat. #2119.58
DescriptionLead - Replacement, 5 ft. (Set of 2 Color-coded Safety Leads, 3 Color-coded Alligator Clips, 1 Black Test Probe, 1 Black Shielded Lead, no RS cable) for Megohmmeter Models 1050 &1060
List Price$150.00
Model
Cat. #2119.59
DescriptionPouch - Replacement for Models 1050/1060
Dimensions: 8 x 10 x 2"
List Price$73.00
Model
Cat. #2119.60
DescriptionLead - Replacement, 5 ft. (Set of 2 Color-coded Safety Leads, 3 Color-coded Alligator Clips, 1 Black Test Probe, 1 Black Shielded Lead, carrying pouch, no RS cable) for Megohmmeter Models 1050 &1060
List Price$0.00
Discontinued
Model
Cat. #2119.82
DescriptionMulti-purpose Large Canvas Bag
Dimensions: 22 x 10.5 x 12"
List Price$121.00
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$8.00
Model
Cat. #5000.30
DescriptionProbe - Black Test Probe {Rated 1000V CAT IV, 15A, UL} Replacement for Megohmmeter lead sets
List Price$5.50
Model
Cat. #5000.31
DescriptionProbe - Red Test Probe {1000V CAT IV, 15A, UL}
List Price$5.50
Model
Cat. #5000.66
DescriptionMegohmmeter Calibration Checker - provides two test resistances of 150kΩ and 100MΩ.
NOTE: The 150kΩ terminal accepts test voltages up to 1000V. The 100MΩ terminal accepts voltages up to 2500V.

Instruction Sheet
List Price$99.00

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