DITRON 107C & 107D Hook Vernier Depth Calipers | Single & Double Hook Models Malaysia
DITRON 107C and 107D Hook Vernier Depth Calipers
The DITRON 107C single hook and 107D double hook vernier depth calipers are designed for groove-related depth, width and position measurements where the contact geometry permits.
Both series are available in 150mm, 200mm and 300mm measuring ranges, with a 0.02mm vernier resolution and a listed 100mm base dimension.
The main difference is the measuring-end design. Select the single or double hook arrangement according to the groove geometry, required contact direction and reference surface.
PRODUCT HIGHLIGHTS
• 107C series: single hook measuring end.
• 107D series: double hook measuring end.
• Mechanical main scale and vernier readout.
• No battery or charging required.
• Listed resolution: 0.02mm.
• Measuring ranges: 0–150mm, 0–200mm and 0–300mm.
• Base dimension a: 100mm.
• Specialised contacts for suitable groove measurements.
107C SERIES — SINGLE HOOK VERNIER DEPTH CALIPERS
The DITRON 107C series features a single hook at the measuring end.
This arrangement can contact suitable recessed surfaces that a conventional straight depth blade may not reach. Confirm that the hook can enter, engage the intended surface and withdraw without interference.
Available models:
DITRON 107C-150
Measuring range: 0–150mm
Resolution: 0.02mm
Catalogue-stated accuracy: ±0.03mm
Dimension L: 250mm
Base dimension a: 100mm
Dimension b: 2.5mm
Dimension c: 2mm
Dimension d: 10mm
DITRON 107C-200
Measuring range: 0–200mm
Resolution: 0.02mm
Catalogue-stated accuracy: ±0.03mm
Dimension L: 300mm
Base dimension a: 100mm
Dimension b: 2.5mm
Dimension c: 2mm
Dimension d: 10mm
DITRON 107C-300
Measuring range: 0–300mm
Resolution: 0.02mm
Catalogue-stated accuracy: ±0.04mm
Dimension L: 400mm
Base dimension a: 100mm
Dimension b: 2.5mm
Dimension c: 2mm
Dimension d: 10mm
107D SERIES — DOUBLE HOOK VERNIER DEPTH CALIPERS
The DITRON 107D series features a double hook measuring end, providing a different contact arrangement for suitable groove features.
The double hook design does not automatically measure every groove or provide higher accuracy. Check its profile against the component drawing before selection.
Available models:
DITRON 107D-150
Measuring range: 0–150mm
Resolution: 0.02mm
Catalogue-stated accuracy: ±0.03mm
Dimension L: 250mm
Base dimension a: 100mm
Dimension b: 15mm
Dimension c: 2mm
Dimension d: 10mm
DITRON 107D-200
Measuring range: 0–200mm
Resolution: 0.02mm
Catalogue-stated accuracy: ±0.03mm
Dimension L: 300mm
Base dimension a: 100mm
Dimension b: 15mm
Dimension c: 2mm
Dimension d: 10mm
DITRON 107D-300
Measuring range: 0–300mm
Resolution: 0.02mm
Catalogue-stated accuracy: ±0.04mm
Dimension L: 400mm
Base dimension a: 100mm
Dimension b: 15mm
Dimension c: 2mm
Dimension d: 10mm
All dimensions follow the manufacturer’s drawings and are in millimetres.
107C VS 107D — WHICH SHOULD YOU CHOOSE?
Choose the 107C when its single hook can access the required measuring surface.
Choose the 107D when the double hook arrangement better matches the feature and available clearance.
Both series have the same catalogue-stated accuracy at corresponding measuring ranges.
Dimension b differs substantially between the designs: 2.5mm for the 107C and 15mm for the 107D. Refer to the respective drawings because the contact profiles differ.
CHECK THE REQUIRED GROOVE DIMENSION
Before selecting, identify whether the inspection requires:
• Distance from a reference face to a groove surface.
• Groove width.
• Recess depth.
• Another supported groove-position dimension.
These are different measurements and may require different contact positions or calculations.
Follow the manufacturer’s procedure for the selected measuring face. Confirm whether a hook allowance, reference correction or difference between readings is required.
ACCESS AND CLEARANCE
Check these dimensions together:
• Opening through which the hook must pass.
• Groove width and radial depth.
• Distance from the reference surface to the groove.
• Internal shoulders and obstructions.
• Available seating area for the base.
• Required measuring direction.
The listed 2mm dimension c does not by itself establish a 2mm minimum measurable groove width.
CHOOSING THE MEASURING RANGE
150mm Models
For supported measurements within a 150mm range.
200mm Models
For features requiring additional travel beyond 150mm.
300mm Models
For deeper or more distant features within the listed 300mm capacity.
Maximum range alone does not guarantee access. The hook must reach the intended surface while the base remains correctly positioned.
APPLICATIONS IN MALAYSIA
The DITRON 107C and 107D series can be considered for:
• Accessible internal groove inspection.
• Groove-position checks in machined housings.
• Recessed shoulder measurements.
• Maintenance and replacement-part comparison.
• Incoming inspection of grooved components.
• Machining workshop dimensional checks.
For engineering workshops and inspection teams in Selangor, Kuala Lumpur, Johor and Penang, a cross-sectional drawing helps assess hook access and the required measuring method.
RESOLUTION AND ACCURACY
All listed models have a 0.02mm vernier resolution.
Catalogue-stated accuracy for both series:
150mm models: ±0.03mm
200mm models: ±0.03mm
300mm models: ±0.04mm
Resolution describes the reading increment. It does not establish ±0.02mm accuracy.
Results also depend on reference seating, hook alignment, cleanliness, contact force and instrument condition.
BASIC MEASURING PROCEDURE
1. Identify the required dimension and reference surface.
2. Check insertion and withdrawal clearance.
3. Clean the base, hook and workpiece.
4. Verify the reference according to the operating instructions.
5. Seat the base securely.
6. Position the hook against the intended measuring surface.
7. Apply light, consistent contact force.
8. Read the main scale and aligned vernier graduation.
9. Apply any manufacturer-specified allowance or calculation.
10. Repeat the measurement to assess consistency.
Do not force the hook into a groove or pull against it with excessive force.
CARE AND BASIC CHECKS
• Protect the hook from bending and impact.
• Keep the reference base and measuring contacts clean.
• Remove chips before measurement.
• Avoid measuring hot or moving components.
• Do not use the hook to clear debris.
• Clean and dry the instrument after use.
• Follow the manufacturer’s maintenance and storage instructions.
• Check performance against suitable reference standards according to your quality procedure.
FREQUENTLY ASKED QUESTIONS
What is the main difference between the 107C and 107D?
The 107C has a single hook measuring end. The 107D has a double hook measuring end.
What measuring ranges are available?
Both series list 150mm, 200mm and 300mm models.
What is the vernier resolution?
All listed models have a 0.02mm resolution.
Is the double hook model more accurate?
No. The catalogue lists the same accuracy for corresponding measuring ranges.
Can these instruments measure groove width?
The catalogue lists groove, depth and width applications. Confirm the required contact arrangement and reading procedure for the specific groove.
Can they measure groove diameter?
Groove diameter measurement is not explicitly specified on this page.
Does the measuring range guarantee insertion to that depth?
No. Access also depends on the opening, hook profile, obstructions and reference arrangement.
Do they require batteries?
No. They use mechanical main scales and vernier readouts.
What material grade is specified?
The supplied page does not explicitly identify the material grade. Confirm separately if required.
Is a calibration certificate included?
The supplied page does not confirm that an individual calibration certificate is included. Specify documentation requirements when requesting a quotation.
SEO META DESCRIPTION
Compare DITRON 107C single hook and 107D double hook vernier depth calipers in Malaysia, with 150mm, 200mm and 300mm measuring ranges.
ENQUIRE ABOUT DITRON HOOK VERNIER DEPTH CALIPERS
Contact MTM Precision with your required range, quantity and component drawing. Include the groove dimensions, reference surface, entry opening and tolerance so hook suitability can be assessed.
Please specify any calibration documentation requirements. Availability, final specifications and supplied accessories are subject to confirmation.
MTM Precision Sdn Bhd
Showroom & Service Centre: No. 29-1 & 29-2, Jalan Bandar 18, Pusat Bandar Puchong, 47160 Puchong, Selangor, Malaysia
Tel: 03-8080 7172
WhatsApp: +6016-660 7346
Email: mtmpre@yahoo.com
Website: www.mtmpre.com.my
24 Oct 2026
