SOLUTIONS · 01
Marine Solutions
- Pressure & temperature calibration on board
- Vessel instrument verification for surveys & audits
- Portable kits for ship repair & marine service providers
Precision Measurement · Reliable Calibration · Industrial Testing
Calibration instruments for marine & industry — supplied worldwide
Independent supplier of temperature, pressure, process and electrical calibration instruments for marine, labs, plants and workshops. Tell me what you need to calibrate — I’ll match the model, send the datasheet and quote.
−100…1210 °CDry block temperature range
0.02 % classProcess calibrator accuracy
2 solutionsMarine Solutions · Industrial Solutions
1 working dayTypical reply to enquiries
The Full Range
One supplier, every calibration job.
Temperature, pressure, process and electrical calibration — the range covers the laboratory bench and the field, from dry blocks and thermostatic baths to pressure kits and multifunction process calibrators.
- Marine — portable kits sized for on-board checks & surveys
- Temperature — dry blocks, thermostatic baths, reference thermometers
- Pressure — comparison pumps & precision reference gauges
- Process — multifunction calibrators for loops & transmitters
Two fields, one supplier
On board or in the lab — the same instruments, matched to your working environment.
SOLUTIONS · 02
Industrial Solutions
- Laboratory calibration & metrology services
- Process measurement in plants & workshops
- Electrical testing for instrument distributors
Marine Solutions
Calibration that keeps vessels survey-ready — portable kits and reference instruments for the gauges, sensors and loops crews rely on.
Marine Pressure Calibration
Engine-room and deck pressure gauges, transmitters and switches — calibrated with portable comparison pumps and reference gauges, at sea or alongside.
Pressure calibration kits · Pressure pumps · Digital pressure calibrators
Marine Temperature Calibration
RTDs, thermocouples and thermometers for engines, cargo and HVAC — verified against portable dry blocks sized for the engine control room, not the laboratory bench.
Dry block calibrators
Vessel Instrument Verification
Systematic checks of the vessel's measuring instruments before class surveys, vetting inspections and audits — one kit, documented results.
Process calibrators · Pressure calibration kits · Handheld precision thermometers
Ship Repair & Maintenance
Calibration support during dry-docking and repair periods — instruments removed, checked, adjusted and refitted with confidence.
Dry blocks · process calibrators · pressure kits
Marine Service Providers
Supply for service companies and chandlers who calibrate for fleets — IMPA-coded kits, honest lead times, one contact for repeat orders.
Trade enquiries welcome
IMPA-coded marine kits
The marine range is listed with the IMPA codes your purchasing department already uses.
IMPA 652505 · Dry block calibrator
IMPA 651632 · Pressure pump
IMPA 651638 · Reference gauge
Industrial Solutions
Calibration for labs, plants and workshops — bench and portable instruments from the same single catalogue.
Laboratory Calibration
Reference-grade dry blocks, thermostatic baths and precision thermometers for calibration laboratories and in-house metrology.
Dry block calibrators · Thermostatic baths · Precision thermometers
Industrial Instrumentation
Routine verification of plant instruments — transmitters, gauges and sensors — on site, without stopping the process longer than needed.
Digital pressure calibrators · Process calibrators · HART communicators
Process Measurement
Loop checks, signal simulation and process calibrators for commissioning and maintenance teams.
Process calibrators · Signal simulators
Electrical Testing
Multimeter calibrators and resistance standards for electrical workshops and verification benches.
Multimeter calibrators · Resistance standards
Calibration Laboratories
Industrial Instrumentation Companies
Metrology Service Providers
Industrial Equipment Distributors
Battery Testing & Refurbishment Companies
Products — one catalogue
One catalogue for both fields — every series serves marine, industry, or both; nothing is listed twice. Filter by field below. Datasheets and prices are quoted per enquiry.
17
Temperature Calibration
Dry block calibrators, thermostatic baths, precision thermometers, SPRT, recorders
3
Pressure Calibration
Pressure pumps, pressure calibrators and complete calibration kits
6
Process Calibration
Multifunction process calibrators, HART communicator, signal simulators
4
Electrical Calibration
Multimeter calibrators, decade resistance boxes, megohmmeter verification
Temperature Calibration
17 series
Ultra-Low Temperature Dry Block Calibrator
Ultra-low dry block calibrator reaching −100 °C, for calibrating RTDs, thermocouples and temperature transmitters in cold-chain, refrigeration, pharmaceutical and low-temperature process work.
Dry Block Temperature Calibrators
Dry block calibrators for workshop and laboratory temperature calibration — refrigerated models for sub-zero work down to −45 °C and a high-temperature model reaching 1210 °C, with full-touch colour displays and replaceable blocks.
Intelligent Dry Block Temperature Calibrator
Intelligent portable dry block calibrator with built-in electrical measurement — a stable temperature field from −45 °C to 1210 °C plus standard and multifunction measurement channels, for automatic calibration of temperature sensors and HART transmitters.
Smart Dry Block Temperature Calibrator
Smart portable dry block calibrator with the same temperature-field line-up as the T series — a stable field from −45 °C to 1210 °C, control by an external reference thermometer and automatic stability detection, in a lightweight design for field and laboratory calibration.
Intelligent Dry Block Temperature Calibrators
Intelligent dry block calibrators with a standard channel plus two channels under test — measure the sensor being calibrated while the block holds temperature, with temperature switch and transmitter support for lab and field calibration.
ET2504-150B: −30 … 150 °C · accuracy ≤ ±0.1 °C · block holes Ø6 / Ø8 / Ø8 / Ø10 mm
ET2504-150A: −20 … 150 °C · accuracy ≤ ±0.1 °C · block holes Ø6 / Ø8 / Ø10 / Ø12 mm
ET2504-650: 35 … 650 °C · accuracy ≤ ±0.35 °C (≤400 °C) / ≤ ±0.5 °C (400–650 °C)
ET2504-1200: 300 … 1200 °C · accuracy ±1.2 °C
Stability: ≤ ±0.02 °C · display: touch screen
Channels: standard channel + 2 channels under test · 13 thermocouple types (S / R / K / B / N / E / J / T / C / D / G / L / U) · RTD Pt / Cu / Ni types
Functions: temperature switch test (mechanical & electronic) · temperature transmitter (current & voltage) calibration
Block holes: custom drilling 3–15 mm available
Touch-Screen Dry Block Temperature Calibrators
Touch-screen dry block calibrators for laboratory and field temperature calibration, from sub-zero refrigerated models to a 1200 °C high-temperature model, with replaceable drilled blocks.
Standard Thermostatic Baths
Precision standard thermostatic baths for calibration laboratories — refrigerated baths down to −100 °C and a 300 °C oil bath, with fluctuation and uniformity at the 0.01 °C level for thermometer and sensor calibration.
ET3871-100: −100 … 95 °C · workspace Ø130 × 480 mm · 5 kW
ET3871-80: −80 … 95 °C · workspace Ø140 × 480 mm · 4 kW
ET3871-40: −40 … 95 °C · workspace Ø140 × 480 mm · 2 kW
ET3871-10: −10 … 95 °C · workspace Ø140 × 480 mm · 2 kW
ET3871-300: 80 … 300 °C (oil) · workspace Ø140 × 480 mm · 3 kW
Fluctuation: ±0.01 °C / 10 min · uniformity: better than 0.01 °C
Medium: soft water / anhydrous ethanol (refrigerated) · oil (300 type)
Standard Thermostatic Baths — Compact
Compact, lightweight standard thermostatic baths with built-in liquid reservoir and automatic liquid dispensing — no external container needed and no spilling when moved. For thermometer calibration in labs and workshops.
Precision Thermometers
Reference-grade precision thermometers for laboratory temperature measurement — RTD channels with 0.0001 °C resolution, connecting standard platinum resistance thermometers (SPRT25 / SPRT100); B versions add thermocouple measurement.
Handheld Precision Thermometers
Handheld precision thermometers for field and laboratory sensor checks — RTD measurement with 0.001 °C resolution; B versions add thermocouple measurement for a wider sensor range.
ET3141: single-channel RTD · ET3142: dual-channel RTD
ET3141B / ET3142B: RTD + thermocouple
RTD range: −200 … 800 °C · resolution 0.001 °C · accuracy ±0.025 °C @ 0 °C (±0.02 °C @ −100 °C)
Resistance: 0–1600 Ω · 2-wire / 4-wire · RTD 3-wire / 4-wire
B versions — millivolt: −78 … +78 mV · TC range −250 … 2500 °C, resolution 0.001 °C
Connects: SPRT25 / SPRT100 standard thermometers
Standard Platinum Resistance Thermometers & Standard Thermocouple
Second-grade standard platinum resistance thermometers and a standard platinum-rhodium thermocouple — the reference sensors paired with precision thermometers and baths in calibration laboratories.
WZPB-9 SPRT: −189.3442 … 419.527 °C · grade II · Rtp 25.5 Ω / 100 Ω · 4-wire, 2.5 m leads
2866 SPRT: −189 … 661 °C · grade II · Rtp 100 Ω · tube Ø6.35 × 520 mm
WRPB-1 standard thermocouple: PtRh10–Pt · 300 … 1300 °C · electrode Ø0.5 mm × ≥1000 mm
Custom temperature ranges available on the platinum resistance thermometers
Digital Thermometers
Precision digital thermometers used as working standards in the lab — B grade at ±0.05 °C and C grade at ±0.1 °C, with 0.001 °C display resolution and 16,000 readings of on-board storage.
Precision Temperature Recorders
Precision multi-channel temperature recorders for laboratory and process recording — thermocouple accuracy of 0.02 %FS and 0.001 °C display resolution across 6 to 48 channels.
ET3917: 6 / 12 / 18 / 24 / 36 / 48 channels · ET3916R: 6–48 channels
Thermocouple accuracy: 0.02 %FS · RTD accuracy: 0.1 %FS
Display resolution: 0.001 °C
TC types: K / J / T / E / S / N / B / R / WRe3-25 / WRe5-26 · RTD: Pt1000 / Pt100 / Cu100 / Cu50
Cold-junction compensation: ±0.5 °C · measuring speed: 0.2–1 s / channel
Storage: 8G TF card · isolated alarm settings per channel
Zero Thermostat
Zero-point thermostat providing a stable 0 °C-class reference environment for thermometer and sensor checks — fast cooling to zero and a deep 200 mm immersion for long probes.
Range: −5 … 20 °C · stability: ≤ ±0.02 °C / 15 min
Cooling: 25 °C → 0 °C in 15 min · immersion depth: 200 mm
Wells: 8 wells × Ø9 mm (standard) · display resolution: 0.01 / 0.001 °C selectable, 6-digit
Size & weight: 300 × 190 × 330 mm · 13 kg
Black Body Furnace
Black body radiation source for calibrating infrared thermometers and thermal imagers — high-emissivity cavity with tight stability and uniformity.
Effective emissivity: ≥ 0.99 · cavity diameter: Φ60 mm
Stability: ±0.1 °C / 10 min · uniformity: ≤ 0.15 °C · display resolution: 0.01 °C
Size: 300 × 350 × 145 mm
Dry Block Temperature Calibrator
Portable dry block temperature calibrator for calibrating RTDs, thermocouples, thermometers and temperature switches in the laboratory or on site — one unit covering the working range of most industrial process sensors.
Range: 35 … 650 °C
Display accuracy: ≤ ±0.35 °C (<400 °C) · ≤ ±0.5 °C (400–650 °C)
Stability: ≤ ±0.05 °C · horizontal field: ≤ ±0.05 °C
Heating: 7 min to 300 °C · 25 min to 650 °C
Block: Ø32 mm · depth 150 mm · 3 holes Ø8 / Ø10 / Ø12 mm, replaceable
Display: 5.0″ TFT touch screen · resolution 0.01 °C
Power: max 800 W · 220 VAC ±10% (110 V optional)
Size & weight: 250 × 150 × 310 mm · 11 kg, aluminium alloy case
Options: USB & switch test · traceable calibration certificate
Multi-Channel Data Loggers
Multi-channel data loggers — including the ET3916-08 — for recording temperature and process values over time: cold-chain checks, sea-trial documentation and test reports.
Channels: 8–64 (ET3916-08 / -16 / -24 / -32 / -48 / -64 and T versions)
Accuracy: 0.05 %FS · measurement range: 60 mV
Display resolution: 0.1 °C standard · 0.01 °C on T versions
TC types: K / J / T / E / S / N / B / R · cold-junction compensation: ±0.5 °C
Data storage: 8G · isolated alarm settings (upper-upper / upper / lower / lower-lower)
Pressure Calibration
3 series
Pressure Pumps
Bench and portable pressure pumps for pressure calibration — hydraulic pumps to 100 MPa and pneumatic pumps with 10 Pa fine adjustment, used with a reference gauge or pressure calibrator.
ETYL135: 0 … 100 MPa · medium: distilled water or oil · stability 0.02 %FS · min. adjustment 0.1 kPa · 3 output ports · 13 kg
ETYL146: −0.095 … 14 MPa · medium: air · adjustment accuracy 10 Pa · stability 0.01 %FS · 6.5 kg
ETYL142: 0 … 70 MPa · medium: water or oil · stability 0.05 %FS · 4.5 kg
ETYL141: −0.095 … 6 MPa · medium: air · min. adjustment 100 Pa · 3.0 kg
Connections: M20×1.5
Pressure Calibrators
Digital pressure calibrators covering −100 kPa to 60 MPa in four accuracy grades — for calibrating pressure transmitters, switches and gauges; the ET-AY adds a built-in HART function for transmitter setup.
Range: −100 kPa … 60 MPa · accuracy grades: 0.02 / 0.05 / 0.1 / 0.2
Units: 12 — kPa, psi, inHg, inH₂O, mmHg, mmH₂O, MPa, bar, mbar, atm, kg/cm², Pa
ET-AY: built-in HART — set transmitter range, force output current, linear / square-root setup, sensor zero
ET-BY: temperature measurement 0 … 50 °C (±0.5 °C) · serial communication
Display: 2.8″ colour screen, 5-digit · Chinese / English
Overload alarm at 110 %FS · connection: M20×1.5 (customisable) · head Ø115 mm, total length 185 mm, approx. 0.5 kg
ETYP Pressure Calibrator Kit
Complete pressure calibration kit: a lever-driven pneumatic comparison pump paired with a precision digital reference gauge. Used together with a pressure standard, it calibrates and tests pressure instruments — for metrology, research, industrial plants and instrument manufacturing.
Pump range: −0.095 … 6 MPa · medium: clean air
Fine adjustment: min 100 Pa · pump weight: 1.5 kg
Gauge range: −100 kPa … 60 MPa (any range selectable)
Gauge accuracy: 0.05 / 0.2 / 0.4 / 0.5 %FS selectable · 5-digit display
Gauge power: 3.6 V lithium battery · thread: M20×1.5 (other threads available)
Gauge overload: 1.5× · medium temperature: −20 … 80 °C
Adapters incl.: M20×1.5 int. ×1, M20×1.5 ext. ×1, 1/4 NPT ext. ×1
Process Calibration
6 series
Process Calibrator with HART
Handheld process calibrator with dual isolated channels and built-in HART communication — measure and source loop signals and configure HART transmitters with one instrument. (The ET1625 without the H suffix does not include HART.)
Channels: dual isolated channels · loop power: 24 V DC
HART: built-in HART function
Outputs: voltage 100 mV / 1 V / 10 V · current 0–30 mA · resistance 0 / 500 / 5000 Ω · frequency 100 Hz / 1 kHz / 10 kHz · pulse 1–100,000 cycles
TC types: R / S / K / E / J / T / N / B / L / U / XK / WRe · RTD: Pt100 / Pt1000 / Pt200 / Pt500 / Cu / Ni types
Display: 3.5″ TFT LCD (480 × 320) · battery: 5000 mAh lithium, rechargeable
Multifunction Process Calibrators
Split-screen, dual-display multifunction process calibrator with IP67 protection — built for commissioning and calibrating process instruments on board vessels and at industrial sites. Upper screen measures, lower screen measures and sources at the same time.
Accuracy: ±0.02 % (ET2725A) · ±0.05 % (ET2725B)
Measure: DC 0–60 V · 0–24 mA with loop power · resistance 0–3200 Ω
Source: DC 0–10 V · 0–24 mA · RTD, TC, frequency, resistance
Frequency: measure 1 Hz–100 kHz · source up to 20 kHz
RTD: Pt100 / Pt1000 / Cu50 / Cu100 · TC: E / J / K / T / B / R / S / N, auto cold-junction compensation
Functions: manual / auto step & ramp · 220 V terminal misconnection protection
Option: APSL intelligent pressure modules for pressure measurement
Size & weight: 200 × 96 × 47 mm · 650 g · IP67 · 6× AAA Ni-MH or adapter · RS232
Process Calibrators
Handheld process calibrators that measure and source the signals a loop technician works with — current, voltage and temperature signals for transmitter and loop calibration. A-grade and B-grade versions.
ET2725A accuracy: 0.02 % class
ET2725B accuracy: 0.05 % class
Process Calibrator
Handheld process calibrator for everyday loop maintenance and signal checks in plants and workshops.
Use: loop measure & source
Signal Generators & Simulators
Signal generators and loop simulators for commissioning and troubleshooting: simulate sensor and transmitter outputs to test control loops, alarms and indicators without process shutdown.
Use: loop simulation & commissioning
HART Field Communicator
Handheld HART communicator for configuring, diagnosing and commissioning HART field devices — transmitters, valves and instruments on process and marine installations.
Protocol: HART
Electrical Calibration
4 series
Multimeter Calibrators
Bench multimeter calibrators for verifying handheld and bench multimeters and electrical meters — from the ET-30G workshop standard to the ET-7503 with 20 ppm best DC accuracy, power and harmonic functions.
ET-30G: DC class 0.02 · AC class 0.03 (50/60 Hz) · voltage to 1000 V · current to 20 A · frequencies 50 / 60 / 400 Hz / 1 kHz
ET-6505G: DC voltage ±10 mV–1050 V · DC current ±3 µA–22 A · AC to 1100 V / 22 A · AC/DC power output · 6-digit display
ET-7503: DC voltage best accuracy 20 ppm (±1100 V) · DC current 50 ppm (±30 A) · resistance 0–1000 MΩ · capacitance 1 nF–1100 µF · power & harmonic analysis, waveform display
Multimeter Calibrator
Bench calibrator for verifying handheld and bench multimeters — DC and AC voltage and current outputs at selectable line frequencies.
DC accuracy: class 0.1 · AC: class 0.2
Output frequencies: 50 / 60 / 400 Hz
Decade Resistance Boxes & Calibration Coils
High-resistance decade boxes (ZX79F) for insulation and high-resistance calibration work, and calibration coils for verifying clamp meters and current measurement chains.
Includes: ZX79F high-resistance box
Megohmmeter Verification Device
High-resistance verification device for checking megohmmeters and insulation testers — decade resistance steps with graded accuracy up to the 10 GΩ range, plus fixed high-value resistors for high-voltage checks.
Accuracy by step: 0.2 % (100 Ω–1 MΩ) · 0.5 % (10 MΩ) · 1 % (100 MΩ) · 2 % (1 GΩ) · 5 % (10 GΩ)
Rated voltage: up to 10 kV (by step)
Fixed resistors: 1 × 100 GΩ + 4 × 200 GΩ, 5 %, 10 kV
Minimum step: 0.1 kΩ · switches: 9
Size & weight: 590 × 310 × 180 mm · 8 kg
No instruments in this field yet — ask by email or WhatsApp and I will check availability.
How enquiries work
Quoted individually — so model, options and freight fit your port or plant.
STEP 1
Send the model or the job
Email or WhatsApp the model number — or just describe what you need to calibrate, the range and where it will be used.
STEP 2
Get the datasheet & quotation
You receive the full datasheet, available options, price and lead time. Questions on accuracy, inserts or accessories are answered before you decide.
STEP 3
Confirm & arrange delivery
Confirm the order details directly by email or WhatsApp and delivery is arranged to your address or your vessel's next port of call.
About — a personally run supply desk
I'm Kate Liu, an independent supplier of calibration instruments based in Zhejiang, China. This is my personal website — you deal with me directly, from the first question to delivery. I supply marine service companies, calibration laboratories and industrial distributors who need the right instrument, honestly specified and fairly priced.
- Model matching first — I confirm the model and range before quoting
- Checked before shipment — specifications, accessories and documents verified, photos on request
- One person, end to end — enquiry, quotation, order and after-sales
- English communication by email and WhatsApp, typically within one working day
Resources
Datasheets, catalogues and know-how — ask and I'll send what you need.
Technical Articles
How to choose a dry block, a pressure kit or a process calibrator for your workload.
Ask a question →Application Notes
On-board verification routines, survey preparation and laboratory calibration practice.
Ask a question →Product Catalogues
Full-range and category catalogues in PDF, ready to forward to your team.
Request a catalogue →Contact
Reach out by email or WhatsApp — whichever is easier. Contact: Kate Liu.
For quick questions and photos of the instrument you need to replace or match.
+86 139 5806 2364