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Loop telemetry kit

The loop telemetry kit: one part number

Supply-to-return difference 5–10°F
Unmatched sensor accuracy ±1°F
Uncertainty in the difference almost 50%
Capacity verification Not possiblefrom that number

Ask for the specification sheet

Two sensors bought separately carry two tolerances, and tolerances add. The kit ships one matched pair on one record.

Five RTD temperature probes with their thermowells laid out in a row on a bench
Two error bars over one 5 to 10 degree Fahrenheit difference A shaded 5 to 10 degree working band, an upper error bar at plus or minus 2 degrees and a lower bar at plus or minus 0.5.
Bill of materials

What the part number contains

Five measured quantities, one line each. Add a gateway where the loop has no point list.
Measured quantityIncluded instrumentSizing value
Supply and return temperatureMatched pair, EMS-TL-ST−40 to +150 °C
FlowEMS-TL-SF electromagnetic, EMS-TL-SFU ultrasonicDN25 0.5–18 m³/h
Differential pressureEMS-TL-SDP, filter and loop ranges100 kPa and 400 kPa
Liquid levelEMS-TL-SL, point switch plus analogue reservoirOptical reflective prism
Leak detectionEMS-TL-SK channel, ropes from the EMS-LD- line4-wire detects and locates
Calibration record

The pairing is auditable

One record, two serials

Same bath, reference and session, two serials on one sheet.

Element class named as IEC 60751 Class A.

Order the pair, not the sensor

One replacement sensor returns the loop to two tolerances.

ΔT uncertainty goes back above 50 %.

Supply and return channels

Two channels, as a production CDU carries water-inlet and water-return.

Both read on one gateway.

Kit ladder

Four codes, four loop classes

Four loops drawn to relative scale with the kit boundary marked on each Four rectangles growing left to right from one rack to a room-scale loop, each with a dashed kit boundary inside it.
Left to right: K100, K300, K800, K2300. The dashed rectangle is the kit boundary.
CodeLoop classFlow to coverAdded
EMS-TL-K100Single rack, 100 kW10–100 L/minflow run, DP 100 kPa, 1 leak
EMS-TL-K300Row, 100–300 kW20 GPM (≈75 L/min)DP 400 kPa, 2 leak
EMS-TL-K800Row, to 800 kW90 GPManalogue level
EMS-TL-K2300Room 2.3 MWUp to 340 GPM4 leak, 2 flow runs
Flow variant

Which flow instrument goes in the kit

Accuracy is a percent of reading on both codes.
EMS-TL-SF electromagneticEMS-TL-SFU ultrasonicThe fluid decides
Needs 5 µS/cmNo minimumGlycol premix, 50–300 µS/cm
±0.5 % of reading, ±0.2 % specialQuoted on requestDe-ionised, 0.2–20 µS/cm
0.5–18 m³/h, ≈36:1 turndownIn-line beats clamp-on at low flow1.68 mPa·s at 15 % PG, 8.20 at 55 %
5× DN upstream, 3× DN downstreamsame ruleomitting them costs 1.5 % of reading

Under the 5 µS/cm floor the electromagnetic meter reads near zero without raising a fault flag.

Filter health

Differential pressure is the filter's real-time signal

Clean, 2 µm element 0.17bar (2 psid)
Change-out trigger 35psid (≈2.4 bar)
Terminal at 20 °C 60psid (4.1 bar)

Transmitter accuracy is percent of full scale: ±0.075 % FS. Elements from coolant filtration.

Commissioning

Capture a baseline in the first 24 hours

Capacity cannot be computed from ΔT alone.

  • Step 01Log ΔT and flow at commissioning, then at first load2 log points
  • Step 02Purge: pumps 25–30 % for 30 minutes, +10 % every 15 minutes to 75 %15 % minimum
  • Step 03Level channel second opinion: fill-pump activity over 5 s raises A30A30
  • Step 04Record the fluid volume the baseline applies to5.7 L secondary

Four datasheets

The instruments inside

Each kit datasheet carries 14 or more rows, including the matched-pair and straight-run rows.

Specification request

Ask for the specification sheet

Leave your work email and the model code. One datasheet per model, with position resolution and locating repeatability stated as separate rows.

  • A specification table of at least ten rows per product family, and a downloadable PDF for every model listed.
  • Seal-life data where it decides the choice: permeation rate, compression set and fluid compatibility.
  • One working day for a reply, from an engineer rather than a catalogue autoresponder.
Reply within one working day