Description
On this page, the Snap-on TESI250 Torqometer appears in its plain Basic code, without a certificate in the name. The certified twin lives at the TESI250C with calibration certificate. Either way, you get the same single-needle wrench, so the choice is about records.

The paperwork gap between TESI250 and TESI250C
Snap-on’s Newton Meter table states that the wrenches in it come without a certificate of calibration. A C suffix, it adds, marks the certificate models. Hence the Snap-on TESI250 Torqometer suits a plant that verifies its own tools. Meanwhile, the TESI250C suits a plant that must show a record on delivery.
TESI250 specs from the catalog
- Drive: 1/2 inch square
- Scale: 250 N·m, marked every 5 N·m
- Length: 18-3/4 in
- Width: 2-3/4 in; head depth 1-3/8 in, drive excluded
- Case: PBR5
- Table: Newton Meter Reading, Standard 2% Accuracy
Snap-on’s UK brochure puts the 2% band from 20% of full scale to full scale, clockwise and counterclockwise. So on the Snap-on TESI250 Torqometer, the band runs from 50 N·m upward.
Where the Snap-on TESI250 Torqometer fits
Generator set and pump service teams in industrial parks handle many mid-size bolts. A plain Basic dial wrench therefore gives them a direct reading at low cost. For instance, a team with a contracted calibration lab can send the TESI250 there on arrival. As a result, it pays only once for the first record.
Reasons to pick the TESI250C
Pick the C code if a client contract lists tool records as a site entry rule. Also pick it when your audit date comes before your lab date.
Reading the single needle on the Snap-on TESI250 Torqometer
Snap-on describes the Basic model as one needle that shows the torque achieved. So the operator watches the dial during the pull and stops at the value. If you want a second needle, however, the same row lists the TESI250FU. Similarly, the TESI250L adds a light that flashes at the target.
Quote and care for the TESI250
Lost in HCM supplies the TESI250 across Vietnam and writes the quote. Request a TESI250 quote from Lost in HCM, look through our torque wrench range, or contact SMK Vietnam. Once it arrives, keep it in the PBR5 case, stay under rated torque, and never break bolts loose with it.
TESI250 questions from service teams
Can the TESI250 dial read ft-lb as well?
No. It sits in the newton meter table, so the dial reads N·m only.
How do I get a certificate later?
Send the wrench to your own lab or an outside lab for a report. For the Snap-on certificate on delivery, order the TESI250C.
What recheck cycle suits the TESI250?
Snap-on says periodic recalibration is needed to keep it accurate. Set the interval in your own quality plan.
















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