Insulation
Resistance Testers
Product Sheet
02.11
Insulation Resistance Testers
Delivering test and measurement advantages for HVAC/R professionals worldwide
Tesst the TPI Advantage
MARKETS
• Electrical Power
Generation
• Heavy Industry
• HVACR
• Mining
• Motor Repair Shops
• Natural Gas
Transmission*
• Oil Production
• Oil Pipelines
• Railroads
• Refining
• Steel
Manufacturing
* Gathering facilities,
compressor stations
and pipelines
Check compressor, transformer, and motor windings for insulation breakdown. TPI Insulation
Resistance Testers are ideal for preventative maintenance and performing resistance tests. All TPI
Insulation Resistance Testers include A085 UL listed silicone test lead set with screw on alligator
clips and A073 test lead set with large alligator clips. All TPI Insulation Resistance Testers are:
• Easy to use
• Push button or locking operation
• Automatic discharge
• Built-in battery test
ANALOG TESTERS
SAIT 25
DIGITAL TESTERS
SAIT 200
SDIT 30
SDIT 300
APPLICATIONS
• Cables
• Compressors
• Controls
• Distribution
Transformers*
• Generators
• Instruments
• Motors
• Motor Windings
• Switchgear
* Medium and
high-voltage power
trans formers would
normally not be
tested with these
instruments
Test Voltages
250V/500V/1,000V
Test Voltages
250V/500V/1,000V
Test Voltages
250V/500V/1,000V
Test Voltages
250V/500V/1,000V
Insulation Resistance
100M/200M/400M
Insulation Resistance
100M/200M/400M
Insulation Resistance
2,000M/2,000M/2,000M
Insulation Resistance
20M/200M/2,000M
AC Voltage
No
AC Voltage
No
AC Voltage
No
AC Voltage
No
Continuity
2 /20
Continuity
2 /20
Continuity
200
Continuity
20/200
FEATURES
The
Value
Leader™
Copyright © 2011
Display
Backlight
Battery Check
Warning Signal
Ohm Zero Adjust
Power Supply
Fuse Protected
Category
SAIT 25
SAIT 200
SDIT 30
Analog scale
Analog scale
Digital
No
Yes
No
Battery check mode
Battery check mode Low battery indication
Lamp & beep
Lamp & beep
Lamp & beep
Yes
Yes
Yes
Battery (1.5V x 6)
Battery (1.5V x 6)
Battery (1.5V x 8)
Yes
Yes
No
(continuity range only) (continuity range only)
CAT III 600V
CAT III 300V
CAT II 1,000V
SDIT 300
Digital
No
Low battery indication
Live display on the LCD & beep
Yes
Battery (1.5V x 8)
Yes
(continuity range only)
CAT III 600V
Insulation
Resistance Testers
Product Sheet
02.11
Insulation Resistance Testers
Delivering test and measurement advantages for HVAC/R professionals worldwide
Tesst the TPI Advantage
TECHNICAL
SPECIFICATIONS
AND
ACCESSORIES
Insulation
Test Voltage
Open Circuit Voltage
Measuring Ranges
Accuracy
SAIT 25
SAIT 200
SDIT 30
SDIT 300
250V/500V/1,000V
250V ±10%
500V ±10%
1,000V ±10%
200V/500V/1,000V
250V ±10% 2
500V ±10%
1,000V ±10%
250V/500V/1,000V
50V, 480V, 950V
(approximately)
250V/500V/1,000V
250V ±10%
500V ±10%
1,000V ±10%
100M/200M/400M
100M /200M/400M
2,000M/2,000M/2,000M
20M /200M/2,000M
0.05M~10M:±5%
0.05M~10M:±5%
0.1M~20M:±5%
0.1M~20M:±5%
0.2M~40M:±5%
0.2M~40M:±5%
0~100M (250V):±1.5% of
reading ±3 digits
100~200M (250V):±2% of
reading ±5digits
200~1,700M(250V):±3% of
reading ±7 digits
20M:±3% of reading
±5 digits
200M:±3% of reading
reading ±10 digits
1,000M:±3% of reading
reading ±20 digits
1,700~2,000M (250V):±3%
range reading ±8 digits
0~200M (500V):±1.5% of
reading ±2 digits
200~1,700M (500V):±3% of
reading ±4 digits
1,700~2,000M (500V):±4% of
reading ±6 digits
0~200M (1,000V):±1.5% of
reading ±2 digits
200~1,700M (1,000V):±3% of
reading ±3 digits
1,700~2,000M (1,000V):±4% of
reading ±5 digits
of 2,000M : ±5% of reading
reading ±40 digits
200
DC 170mV (appoximately)
24mA (appoximately)
±1.5% of reading ±2 digits
20 /200
DC 4V
±7% of scale length at ranges ±7% of scale length at ranges
other than the above range
other than the above
Test Products
International, Inc.
Headquarters:
9615 SW Allen Blvd.
Beaverton, OR 97005
USA
503-502-9197
Fax: 503-520-1225
info@tpi-thevalueleader.com
Test Products
International, Ltd.
342 Bronte St. South
Unit 9
Milton, Ontario L9T
5B7
Canada
905-693-8558
Toll-Free: 866-693-8558
Fax: 905-693-0888
Continuity
Measuring Ranges
2 /20
Open Circuit Voltage
DC 4V ~ 9V
Short Circuit Current
200mA min
Accuracy
±3% of scale length
ACV
Measuring Ranges
Input Frequency
Accuracy
STANDARD ACCESSORIES
Part Number
Test Leads
SAIT 25
A085 & A073
SAIT200
A085 & A073
SDIT30
A085 & A073
SDIT300
A085 & A073
2 /20
DC 4V ~ 9V
200mA min
±3% of scale length
200V/600V
45Hz ~ 450Hz
±3% of reading ±5 digits
INSULATION
RESISTANCE
TESTERS
Neck Strap
A122
A122
A122
A122
A085 consists of the A080 UL listed silicone test lead set
with A150 screw on alligator clips.
info@tpicanada.com
Test Products
International Europe Ltd.
Longley House
International Drive
Crawley, West Sussex
RH10 6AQ
UK
Tel: +44 (0)1293 561212
Fax: +44 (0)1293813465
A073 consists of a six foot lead set with large alligator clips.
OPTIONAL ACCESSORIES
Description
4’ red and black leads with large alligator clips
contactus@tpieurope.com
Copyright © 2011 Test Products International, Inc.
200mA DC min in 20Ù Range
±3% of reading: ±3 digits ±1
Part#
A072
FAQ
1. Selecting an insulation tester is like selecting a
DMM. You need to know what value (resistance)
you are going to measure and the required
applied voltage.
2. Selecting an insulation tester is like selecting a
DMM. You need to know what value (resistance)
you are going to measure and the required
applied voltage.
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