GCL & GCH Series Comparator

Comparison Testers Portable / Bench-top ModelsScrew Pumps & Hand PumpsUseful for checking Pressure Measuring Devices / Master Devices / Test Gauges

Gauge Comparison Testers (Comparators) for Low (GCL Series) and High (GCH Series) Pressure applications are available in

  1. Hand Pump Model -HP: Hand Pump with Fine Adjustment Vernier
  2. Screw Pump Model -SP: Hand Pump with Screw RAM Pump
  3. Screw Pump Model mounted on an Elevated Stand -SPES
Feature :
  1. Ranges : 0 to 250 upto 1000 Bar
  2. Budget Solutions
  3. Very Low Maintenance Cost
  4. Compact & Easy to carry for Lab & Field use
  5. Priming Pump with Fine Adjustment Vernier for Incremental Pressure generation
  6. Adjustable Foot
  7. Medium : Oil
  8. Water Operated Models – optional

Specification :

Models GCL 250 SP / GCH 700 SP GCH 700 SPES / GCH 1000 SPES GCL 250 HP / GCH 600 HP
Ranges 250 / 700 / 1000 Bar 700 / 1000 Bar 250 / 600 Bar
Type Screw Pump Screw Pump Hand Pump
Pressure generation Priming Pump for initial pressures & Screw RAM Pump for high pressures Screw Ram Pump in an elevated stand Hand Pump with Divider Block / Vernier Valve Assembly
Test Port Connection 1/2″ BSP (F) Swivel
Medium Oil / Water Oil Oil
Instrument Dimensions (L x D x H) 350 x 350 x 230 mm 300 x 400 x 375 mm 420 x 210 x 130 mm
Weight 14 Kg 13 Kg 5 Kg
Standard Delivery:
  1. Basic Instrument
  2. Hydraulic Fluid (500 ml)
  3. Set of Seals
  4. Conformance Certificate
  5. Instruction Manual
Optionals Accessories:
  1. Analog / Digital Master Gauges
  2. Set of Adaptors (BSP / NPT)
  3. Right Angled & Two Gauge Adaptors
  4. Water Operated Model # (for SP Models only)

Nagman Intruments & Electronics (P) Ltd.

Nagman, an ISO 9001:2008 Certified Company was established in the year 1972 started manufacturing RTD / TC sensors, moved on to pioneer the concept of Portable Calibrators for Temperature, Pressure & Signal selling over 50,000 so far.

Nagman, expanding on their technical expertise on portables, developed Calibration Work Stations / Test Benches – Primary & Secondary Standard Calibration Test Benches, Temperature Calibration Test Benches, Electrical & Electronics Calibration Test Benches, Multifunction/Multi-parameter Calibration Test Bench Workstations and Computer Aided Calibration Systems – comparable in design, performance, features and accuracies to reputed/established International brands. Have supplied more than 1,500 Test Benches to major industries in India & Worldwide.