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Data center sensing

Data Center Generator Sensors

Pressure, temperature, level, vibration, current, position and speed sensors for diesel, natural-gas and dual-fuel data center generator systems.

What we measure

Sensor coverage for generators

Explore sensor technologies mapped to Diesel · Natural-Gas · Dual-Fuel · Gensets · ATS · Fuel Systems · Aftertreatment. Product application notes below identify where each sensor fits within this data center sub-system.

Available technologies

Sensors for Generators

19 products · 5 categories

Not sure what you need? Tell us about your generators application and our team will recommend the right sensors.

NovaSensor

NovaSensor NPI/IPT Harsh-Media Family

Applications

  • Engine oil and fuel-rail pressure on diesel gensets
Range
1 – 15,000 psi
Output
4–20 mA, 0–5/10 V, I²C, SPI
Accuracy
±0.25% FS

Custom variant

Extended-range variant to 2000 bar (29 000 psi) for generator fuel-rail applications.

All Sensors

Panel-mount CoBeam2™ transmitter

Applications

  • Genset crankcase pressure / breather monitoring with low-range CoBeam2™ accuracy
Range
±0.25 inH₂O bidirectional
Accuracy
±0.5% FSO
Output
4–20 mA (2-wire)
NovaSensor

Low-Cost Media-Compatible P+T

Applications

  • Engine oil pressure + temperature on the same port
  • Diesel fuel-line P+T
Tech
PT1907 MEMS die, no oil fill
Range
15 – 600 psi
Output
I²C, SPI, 4–20 mA, Analog, SENT

Custom variant

LCMC is a platform, not a single SKU — specify range, interface (I²C / SPI / 4–20 mA / SENT), process connection and cable pigtail per CDU / compressor integration. No oil-fill keeps it glycol- and refrigerant-safe.

Amphenol Sensors

High-pressure P+T with stainless-steel diaphragm

Applications

  • Engine and transmission oil P+T on the same fitting
Range
10 – 350 bar (145 – 5000 psi)
Diaphragm
Stainless steel — universal media
Feature
P + T in one sensor body
Thermometrics

Waterproof IP68 overmolded NTC

Applications

  • Generator coolant and engine-oil temperature (M10×1 / M14×1.5 immersion housing)
Protection
IP68 waterproof overmold
Range
−50 to +105 °C (+125 °C ≤ 6 h)
Thermistor
10 kΩ NTC

Custom variant

Longer probe lengths (6″ / 12″) for duct insertion; threaded SS housing for pipe immersion; networked multi-probe cable (up to 8 probes / run) for rack-row monitoring.

Thermometrics

Sealed-connector IAT NTC

Applications

  • Generator intake-air temperature with sealed connector for engine-bay routing
Operating
−40 to +150 °C
Response
<10 s in 15 m/s air
Connector
Delphi Metri-Pack 150.2
Thermometrics

NTC or PT100 in 304 SS housing

Applications

  • Generator exhaust-gas temperature for aftertreatment and DEF-control logic
  • Intake-manifold air temperature on dual-fuel engines
150 °C variant
−40 to +150 °C, M10×1.0
300 °C variant
−40 to +300 °C, M12×1.5
Housing
304 stainless
Rochester

Capacitive liquid-level transmitter (with TLL head)

Applications

  • Day-tank and main fuel-tank level on diesel gensets
Probes
500 / 1000 mm; field-cut to length
Liquids
Diesel, kerosene, non-conductive fluids
Supply
9–36 VDC (80 V OVP, reverse-polarity)
Output
Resistive / 0–5 V / 4–20 mA (TLL head)
Accuracy
±1% FS
Cert.
CE, RoHS; IP65 head

Custom variant

Integrated water-in-fuel + level assembly on a single tank penetration (WIF 2100 / 2150 / 3100 paired with the S-Series or T/LL transmitter); built-to-spec stem length and thread per OEM day-tank geometry.

Rochester

Top-mount magnetic dial level gauge (mechanical)

Applications

  • Generator day-tank / main fuel-tank visual level
Type
Top-mount 5-bolt magnetic level gauge
Accuracy
±6 % (6700 base), ±7 % (Adjustable)
Variants
6741 / 6781 + TwinSite® sender
Rochester

Cellular radar tank monitor (remote telemetry)

Applications

  • Remote fuel-tank monitoring for distributed / edge data-center gensets
  • Refill scheduling across multi-site fleets without a DCIM integration
Sensing
Radar — non-invasive tank level
Network
CAT-M1 / NB-IoT cellular (FCC)
Battery life
Up to 10 years (ATEX logger)
Certifications
ATEX / IS; UL 913 Class I Div 1, Zone 0
Rochester

Guided-wave radar level transmitter

Applications

  • High-accuracy continuous fuel-level on bulk diesel storage tanks
Sensing
Guided wave radar (TDR); no moving parts
Range
Up to 3 m; <2 mm resolution
Output
0.5–4.5 V / 4–20 mA options
Sealing
IP6K9K
Rochester

Custom float and leak switches (point level)

Applications

  • Hi/lo fuel alarms on day tanks
  • Leak-detect in genset belly pans and fuel-line trays
Type
Custom-engineered float & leak switches
Capabilities
Multi-level, side-mount, continuous, P+T combos
Mfg.
IATF 16949 — Coppell, TX

Custom variant

Built-to-order: specify stem length, float material, switch action (N.O./N.C.), process fitting, cable and connector. Rochester Quick-Turn (Coppell, TX) builds from the 9871 / 9872 / 9873 / 9875 families — IATF 16949 North-American manufacturing, OEM-volume capable.

SSI

Non-contact ultrasonic level

Applications

  • Drop-in fuel-tank level on existing gensets without tank entry
Max depth
32" diesel / 24" gasoline
Accuracy
±0.125"
Outputs
3-wire resistive · voltage · DFT-110
Wilcoxon

High-MTBF industrial accelerometer

Applications

  • Generator main-bearing and alternator-shaft vibration trending
Sensitivity
100 mV/g ±5%
Response
0.5 – 14,000 Hz
Max temp
120 °C
Compliance
API 670; CSA / ATEX / IECEx variants
IMI

Echo® sensor + EchoPlus® wireless

Applications

  • Genset bearing and alternator vibration in retrofit deployments
System
Wireless sensor + EchoPlus® JB + Receiver
Measures
Peak/RMS vel, accel, crest factor
Integration
Modbus®
Piher

Flange-mount gear-tooth speed sensor

Applications

  • Generator shaft-speed pickup for governor and overspeed protection
Supply
4–24 VDC (two-wire)
Max speed
12 kHz fwd / 40 kHz (A/B)
Operating
−40 to +125 °C
All Sensors

Stainless-steel piezoresistive — high media compatibility

Applications

  • Genset fuel-line / coolant high-pressure monitoring (industrial measurements role, SS-wetted)
Tech
Piezoresistive (SS 316/316L wetted)
Range
200 mbar – 35 bar (A / G / V)
Output
mV (1.5 mA constant-current)
All Sensors

Stainless-steel piezoresistive — analog + I²C

Applications

  • Genset fuel-line and coolant pressure with I²C telemetry into ECU and ratiometric to legacy gauges
Tech
Piezoresistive + ASIC (SS 316/316L)
Range
200 mbar – 35 bar / 3 – 500 psi
Output
0.5–4.5 V ratiometric + I²C
Thermometrics

NTC probe — water-ingression resistant

Applications

  • Outdoor diesel-genset and coolant temperature in container / marine HVAC enclosures (water-ingression-resistant probe)
Type
NTC thermistor probe; HACT-tested
Resistance
Standard NTC curves (5K / 10K / 50K Ω)
Range
−40 to +150 °C